marine biology essay

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marine biology

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• The College of William and Mary - Virginia Institute of Marine Science

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marine biology , the science that deals with animals and plants that live in the sea. It also deals with airborne and terrestrial organisms that depend directly upon bodies of salt water for food and other necessities of life. In the broadest sense it attempts to describe all vital phenomena pertaining to the myriads of living things that dwell in the vast oceans of the world. Some of its specialized branches concern natural history, taxonomy , embryology , morphology , physiology , ecology , and geographical distribution. Marine biology is closely related to the science of oceanography because of the relationship of the physical features of the oceans to the living organisms that dwell in them. It aids in the understanding of marine geology through the study of those organisms that contribute their skeletal remains to the floors of the oceans or that elaborate the vast coral reefs of the tropic seas.

A principal aim of marine biology is to discover how ocean phenomena control the distribution of organisms. Marine biologists study the way in which particular organisms are adapted to the various chemical and physical properties of the seawater, to the movements and currents of the ocean, to the availability of light at various depths, and to the solid surfaces that make up the seafloor. Special attention is given to determining the dynamics of marine ecosystems, particularly to the understanding of food chains and predator-prey relationships. Marine biological information on the distribution of fish and crustacean populations is of great importance to fisheries. Marine biology is also concerned with the effects of certain forms of pollution on the fish and plant life of the oceans, particularly the effects of pesticide and fertilizer runoff from land sources, accidental spills from oil tankers, and silting from coastline construction activities.

During the second half of the 19th century, when the emphasis was on the collection, description, and cataloging of marine organisms, methods evolved for the capture and preservation of specimens for study. Marine biologists adapted traditional dredges and trawls to collect specimens from the ocean floor; and hoop nets were used to secure free-swimming animals. New instruments for collecting water samples and obtaining temperature information at any desired depth were developed.

Late in the 19th century, the focus began to shift from collecting and cataloging to the systematic analysis of marine ecosystems and the ecological roles and behaviour of marine life. By the early 20th century, oceanographers had begun to intensively study fishing grounds and other localities of economic importance. This research combined studies of marine flora and fauna, ocean currents, water temperature, salinity, and oxygen levels, and other factors in an effort to understand the relationship between marine animals and their environment .

Since World War II , direct observation of marine organisms in their natural habitats has been made possible by underwater cameras, television, improved diving equipment, and submersible craft, or submarines, that can descend to great depths. Underwater television provides the observer with a continuous picture of events that occur within the field of the submerged camera. The development of self-contained diving equipment made it possible for the investigator to inspect marine organisms in their natural habitat.

Morphological and taxonomic studies of marine organisms are generally performed on preserved materials in connection with the work in museums and universities. Physiological and embryological investigations requiring the use of living material are generally pursued at biological stations. These are situated on the seacoast, thus facilitating the rapid transfer of specimens to the laboratory where they may be maintained in seawater provided by special circulating systems.

Marine Biology

Marine biology essays and blog.

Letter from Bonaire: A Coral Paradise Forever? Special 911 22th Anniversary: 911 Heroes and Environmental Heroes A Movable Feast: Climate Change Forces Seafood to Higher Latitudes and Deeper Waters Did U.S. Government Science Agencies Respond Too Slowly to the Deepwater Horizon Oil Spill? Marine Biology Blog: Our Obsession with the Oil Coral Reef Crisis: A Summary “Climategate”: is Global Warming a Hoax? A look at some ocean data off the beaten path CHARLES DARWIN: GREATEST MARINE BIOLOGIST, AN ESSAY Review of “A Sea Change”, a movie about ocean acidification

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Marine biology : a very short introduction

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What Exactly is Marine Conservation Biology?

Learn the difference between marine biology and marine conservation biology—and what the scientists in each field tend to focus on.

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Help save our ocean

This blog was written by Dr. David Shiffman, a marine conservation biologist and public science educator based in Washington, D.C. Renowned for his witty social media presence, he has written for the widely-read ocean science blog Southern Fried Science, and his science writing has appeared in publications including the Washington Post, Scientific American, Gizmodo and Scuba Diving Magazine. Follow along with him on Twitter, Facebook and Instagram, and stay tuned for his future contributions to the Ocean Conservancy blog.

If you read my first blog for Ocean Conservancy, you may have noticed that I identified myself as a “marine conservation biologist.” While many people may know that a marine biologist is a scientist who studies organisms that live in the ocean, my introduction as a marine conservation biologist tends to inspire some questions from readers. For example: “What’s the difference between marine biology and marine conservation biology?” and “What exactly does a marine conservation biologist do?” Today, I’m here to answer these questions for you. Let’s dive in!

What is conservation biology?

I’ll start by referencing a powerful essay that was published in 1985, the year after I was born. The Endangered Species Act and the entire environmental movement in the United States were relatively new, with ideas on how to move forward actively discussed by passionate environmentalists and concerned scientists. Michael Soule , who died earlier this year, described conservation biology as an entirely new discipline of science. This type of biology was designed to be practical, focused, applied science that borrows methods and approaches from other closely related fields like ecology, biology and environmental science. By “applied,” I mean that we’re not just talking about learning new information about our natural world for the sake of knowledge. While that is, of course, incredibly important work (because there is so much more still to learn), we’re talking about something different here: using scientific approaches to answer specific questions with immediately obvious real-world implications.

In the case of the Endangered Species Act, for example, we’re of course focusing specifically on preventing the extinction of endangered species. With growing recognition of the threats facing the environment, it was no longer enough to just learn more about the ocean in general. It became more and more clear that it was necessary to learn specific information to try and help stop these problems. Essentially, conservation biology is the use of science to learn how to most effectively protect wildlife and wild places, and marine conservation biology is exactly that, but specifically centered around the ocean.

Marine biologists study living things in the ocean with the open-ended goal of learning more about them. Marine conservation biologists take a more applied and specific approach; for example, they ask not just “Where do sea turtles go?” but “Given that these sea turtles are endangered, what can a greater understanding of their habitat use and how it overlaps with potential threats tell us about how to protect them from threats so their population can recover?”

Marine conservation biology papers often dive much deeper into detail about a proposed policy change, as the goal of many studies is often to find out what needs to be done to solve a specific real-world problem. In marine conservation biology, while publishing a paper is often an important step, it’s not the end of the process—in order to protect our ocean and the wildlife and communities that depend on it, we need to then make sure that the public and decision-makers know there’s a problem in the first place. Then, we must work to pinpoint and communicate what we can do to solve it, either ourselves or by partnering with people or organizations that will communicate our key findings to leadership (or communities that influence those leaders).

What does a typical day look like for you as a marine conservation biologist?

As a marine conservation biologist, many of my days are pretty similar to those of my colleagues in “pure” marine biology, spending time on a research vessel collecting data or digging into academic databases, analyzing samples in a lab or writing up results for publication in a peer-reviewed journal. But unlike several of my colleagues, I also spend a lot of time publicizing and communicating about science, making sure that the right people know what was found, why it matters and what we need to do about it. While this isn’t technically part of some of my job descriptions and isn’t for everyone, I know it’s a vital step in turning scientific results into policy action. Rather than mostly working closely with scientists alone, I also work with environmental advocacy groups, science journalists and government decision-makers on a regular basis.

As you can see, a significant difference is who we frequently collaborate with. Most marine biologists, if asked, can easily name five other scientists in their field, but not necessarily many others in external fields and disciplines. Marine conservation biologists, on the other hand, tend to have colleagues much more diversified in their type of work, such as environmental advocates who advocate for issues related to what they study, journalists whose beat includes their area of expertise or government officials who make decisions that affect their study system.

Of course, it’s also important to note that the role of a marine conservation biologist is also notably different from that of an ocean conservation advocate, such as some of the fine folks who work for Ocean Conservancy. For some, their job is to directly lobby government officials for change, though conservation advocates also often have scientific training and may participate in scientific research projects, too. With that, many environmental non-profits like Ocean Conservancy do employ marine biologists, marine conservation biologists or both, as do academic institutions. In sum, both marine biologists and marine conservation biologists have important and diverse roles to play in a variety of fields!

When did you know you wanted to be a marine conservation biologist?

I’ll first note that I’ve known I wanted to be a marine biologist since I was a toddler. It was in college that I transitioned into the applied side of marine conservation biology as I learned more about the various threats facing the ocean and the core need for scientific data to solve some of these increasingly pressing problems. Today, I use scientific methods and approaches to understand specific threats to endangered species that live in our ocean and what solutions can be used to help protect them.

I’ll end by saying that there are so many paths to a career in the realm of ocean conservation, and my path is just one of them. I hope that this blog helps lift the curtain to show you the “behind the scenes” in the life of a conservation biologist and the type of work we do in the field of ocean conservation!

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124 Marine Life Biology Topics

Want to explore marine life? The captivating world of oceans and seas is full of marine biology research questions. Here, find marine biology topics about an array of species and habitats, the balance of Earth’s environment, and invaluable resources to humanity. Get inspired by marine ecosystems and the challenges they face due to human activities. Let’s dive in!

🌊 TOP 7 Marine Biology Topics

🏆 best marine biology research questions, 🎓 interesting marine biology topics, 👍 catchy marine biology research topics, 💡 simple marine biology topics, ❓ more marine biology research questions.

• Rising Sea Levels: History, Causes and Effects
• North Sea and Baltic Sea Meeting Phenomenon
• The Impact of Physical, Chemical, and Biological Agents on Marine Mammals
• Description of the Pacific Ocean
• Rising Sea Levels: Solutions to Global Concern
• Resolute Marine Energy: Power in Waves
• Chilean Sea Bass on the Menu and Its Impact on the Environment
• Marine Pollution: Causes and Consequences Changes in marine and ocean conditions can directly affect the global climate because of their close connection to the planet’s energy fluxes and biogeochemical cycles.
• Cyclone Asani in the North Indian Ocean Area Asani is the first cyclone to develop in the North Indian Ocean area of the Bay of Bengal and the Arabian Sea in 2022.
• Impact of Human Activities on Marine Ecosystems The main negative impact of human activities on these ecosystems is the drastic change in oxygen levels caused by industrial pollution.
• Marine Transport System Efficiency Increasing The paper takes an in-depth look into the steps and measures that can be taken to enhance the efficiency of maritime transport. Such strategies can be used to avert the looming transport crisis.
• Protection of Marine Environment Under International Law: Treaties and International Legal Instruments Laws touching on the protection of the marine environment have evolved. The evolution is made evident in this paper by analyzing the various international legal instruments.
• The Problem of Ocean Pollution Today One of the main causes of the oceans being polluted is trash that includes various manufactured products like plastic bottles, shopping bags, food wrappers, and cigarettes.
• Marine Environmental High Risk Areas Definition Marine Environmental High risk Areas was first used by Lord Donaldson in Report titled Safe Ships, Clean Seas.He defined these areas as locations with high environmental sensitivity.
• History of Sea Navigation This paper includes a brief description of major milestones in the history of navigation starting from ancient times up to modern days.
• Ocean Research vs. Outer Space Exploration Both the study of the outer space and the research of the processes that take place on Earth, particularly, in the ocean, are crucial for facilitating the safety of the humankind.
• International Marine Pollution Law International Marine law is essential in governing the natural resources from illegal acts of pollution that poses dangers to marine life and the life depending on the waters of oceans or seas.
• Marine Pollution in Australia This paper will set out to engage in a detailed discussion about marine pollution in Australia. It will begin by highlighting the major sources of marine pollution.
• The Climate Change Impact on Sea Levels and Coastal Zones This paper summarizes the effects of climate change on seawater levels and subsequent effects on the coastal zones.
• The Ocean Clean Up Company’s Trial in Guatemala Ocean Clean Up has done an excellent job of creating the first scalable solution to efficiently intercept plastic in rivers before it reaches the oceans.
• Marine Organisms an Adaptations The important aspects of marine biology is the study of how marine organisms exhibit a variety of physiological adaptation that makes them suitable for the marine environment.
• Earth Science: The Deep Sea This article discusses the importance of the marine environment to life on the planet and the need to study the impact of deep-sea mining on the marine environment.
• Saudi Marine Construction Projects and Risks The Saudi Arabian marine construction works revolve around the establishment of ports and harbors. The ports must be constructed to facilitate tourist arrival.
• Fiji’s Integrated Ocean Policy for Sustainable Blue Economy Examine Fiji’s approach to a sustainable blue economy through an integrated ocean policy, addressing challenges like overfishing and pollution.
• Plastic Crises in the Ocean and Effects on Marine Ecosystems The accumulation of plastic waste in the oceans causes physical damage to marine species and habitats, leading to the spread of invasive species and diseases.
• Teleological Insight Into Army of Sea Urchins The teleological argumentative construct focuses on the relationship between the design and the creator akin to the apt performance across the sea’s natural environment.
• Impact of Human Behavior on Ocean and Ocean Acidification The paper states that the concentration of CO2 in the atmosphere has been increasing over the years due to human behavior and actions.
• The Aral Sea Shrinking Process The Aral Sea is located in Central Asia, and it is a form of a large endorheic lake. The issue surrounding the given body of water is that it has been shrinking since the 1960s.
• The Importance of Marine Spatial Planning The paper states that improvements in marine spatial planning (MSP) can positively impact the economy, society, and the environment.
• Floating Cities and Rising Sea Levels Global warming is an immense challenge in today’s society. The results of such an issue are the rising sea levels that make many communities flee their homes.
• Aquaculture: Second Chance for Marine Life
• How the Great Pacific Garbage Patch Affected Marine Life in the Surrounding Waters
• Marine Pollution and Its Effect on Marine Life
• Not Finding Nemo: How Climate Change Affects Marine Life
• Environmental Degradation: Primitive Organisms vs Modern Day Marine Life
• Marine Life and Its Systematic Evolution
• Human Impact Upon the Environment: Ocean Pollution and Marine Life
• Marine Life, Ocean Pollution, and Other Human Environmental Impacts
• How You Can Help Protect Marine Life While Diving
• Global Marine Life Affected by the Constant Rise of Water Temperature Due to Global Warming
• 10 Easy Ways to Help Protect Marine Life
• How the Plate Tectonics Theory Help Explains the Existence of Fossilized Marine Life in Rocks Atop the Ural Mountains
• Global Warming and Climate Change: Melting the Marine Life
• Understanding the Detrimental Effects of Harmful Algae in the Scientific Study of Marine Life
• The Alarming Danger Facing the Marine Life
• Humans’ Impact on Marine Life and What We Can Do to Stop Environmental Cataclysmic Effect
• How Water Pollution Affects Marine Life
• Marine Life: Environments and Marine Animals in the Deep Sea
• The Coral Reef Ecosystem: Marine Life and Surviving Underwater
• Mass Extinction, Human Impact, and Effects on Marine Life
• How Human Beings Have Destroyed Marine Life
• Dangers of Microplastics to Marine Ecosystems To reduce aquatic pollution and its impact, people should keep the environment clean by disposing wisely of the plastics they use.
• The Raising of Sea Levels in Lithuania This study will explore climate change in Lithuania, providing ways in which a global citizen can help and the role of NGOs in elevating the issue.
• How El Niño Affects Ocean Circulation and How Climate Is Impacted Climate change research has progressed to the point that paleoclimatic data may now provide trustworthy information on the responses of the climate system.
• Impact of Marine Plastic Debris on Environment The prevalence of marine pollution by plastics makes the ecosystem dangerous for ocean creatures and human beings.
• Papahanaumokuakea Plastic Sea Pollution This paper discusses the article devoted to the plastic sea pollution affecting Papahanaumokuakea Marine National Monuments.
• Marine Resource Economics: Value Addition on Tuna Fish By-Products There is a very huge potential for value addition to by-products of Tuna fish around the countries surrounding the Pacific Ocean which is untapped.
• The Consequences of the Ocean Acidification The paper aims to explore the phenomena of ocean acidification and define human-caused threats to the health of the world ocean and the corresponding consequences.
• Whirlpool in the Sea off the Coast of Scotland Near Ayrshire Due to Waste Water Stunning drone images near Lendalfoot in South Ayrshire captured a glimpse of a mammoth whirlpool off the Scottish west coast.
• The Turtle-Headed Sea Snake’s Habitation Areas The paper aims to know the exact areas that turtle-headed sea snakes inhabit and quantify the number of such species within that vicinity.
• Sea Level Rise: Major Causes and Effects This paper includes a brief description of the major causes and effects of sea level rise, as well as measures people undertake to address the issue.
• Trans-ocean Transportation: Environmental Study The ocean has always been an inseparable part of human existence. It serves as a source of food and a transportation network, linking all continents.
• Modelling in the Marine Environment With climate change rendering hurricanes more deadly, it is essential to gain a more in-depth understanding of such phenomenon as storm surge.
• Marine Protected Areas: Sustain of the Marine Ecosystem The current research is expected to address the problem of overfishing and prove that MPAs help to sustain biodiversity.
• Analysis of Sea Lampreys Problem Sea lampreys reduce the fish population, which affects the livelihoods of people. They negatively influence economic activities such as tourism and fishing in lakes.
• Marine Pollution and Its Anthropogenic Factors This paper examines the causes of the environmental problem of marine pollution, primarily related to anthropogenic factors, and considers its consequences.
• Plastic Contamination and Marine Ecosystem Safety Every year humanity creates innovative technologies, some of which have the potential to change the order of life fundamentally.
• Marine Habitats: Coral Reef Ecosystem The coral reefs’ biodiversity presents a specific interest as one of the most stressed world’s ecosystems with an intricate relationship.
• West Indian Ocean Coelacanth (Latimeria Chalumnae) Latimeria Chalumnae is an exception – a living fossil and a fish that is closer to tetrapods, including humans, rather than to the ray-finned fish, from an evolutionary standpoint.
• Marine Biology: Description and the Key Features Marine Biology is an open area of the coast line that is exposed to ocean currents and tides. This is a backwater area with occasional flooding of sea water.
• Law of the Sea Treaty: The Use of the World’s Seas The purpose of the treaty was to come up with a comprehensive rules governing the oceans and replacing the previous conventions of 1958 and that of 1961.
• Environmental Issues: Plastics in the Ocean The circular economy encourages recycling and reuse and this approach could be used effectively to mitigate the problem of plastic marine pollution in the long term.
• The WWF’s Environmental Advertisement on Marine and Ocean Pollution Visual image can also make a convincing point, and this is particularly applicable to social and environmental advertising.
• Geologic Time and the World Ocean: Diving a Bit Deeper Studying the history of the Earth’s climate means analyzing the archaeological traces that the previous eras have left; and nowhere is the search for these traces is as efficient as it is in the ocean.
• Marine Sediments Types: Lithogenous, Biogenous, Hydrogenous, and Cosmogenous Sediments Modern science determines four basic types of sediments. These are lithogenous, biogenous, hydrogenous, and cosmogenous. They all have unique characteristics that determine their structure.
• Twenty Thousand Leagues under the Sea: Captain Nemo’s Changes Captain Nemo is a sea researcher, inventor, and owner of the “Nautilus” submarine. This character is the embodiment of a true hero, courageous, decisive, and fair.
• Sea Dumping: Legal and Ethical Issues The paper explores legal and ethical issues regarding the sea dumping and examines the approaches used by cruise lines to increase the social responsibility.
• What Lurks in the Depth of the Ocean? A range of technological advances and solutions for economic issues pose a tangible threat to environment, and oceans are by far the most vulnerable element of the latter.
• Archeological Discovery of the Dead Sea Scrolls William Albright, who is one of the popular archaeologists claimed that the discovery of the Dead Sea Scrolls was one of the chief breakthroughs in the 20th century.
• How Plastic Pollution Can Impact Both Marine Life and Human Health
• Marine Life Can Bounce Back by 2050 — But Only if We Act Now
• Lebanon Oil Spill Threatens Bird and Marine Life
• How Will Marine Life Adapt to Warmer Oceans?
• Creating Communal Value Through Marine Life Protection
• Chasing the Future: How Will Ocean Change Affect Marine Life?
• Factors That Threaten Marine Life and Solutions to It
• The Structuring Role of Marine Life in Open Ocean Habitat
• Maintaining and Protecting Marine Life
• Pollution: Marine Life’s Number One Enemy Spreads Its Negative Effects on the Oceans
• Marine Life Encounters: Whale Sharks of Isla Mujeres
• How You Can Protect the Ocean and Help Save Marine Life From Home
• Global Warming Hits Marine Life Hardest
• Protecting Marine Life: 7 Reasons Why We Need to Act Now
• Marine Life Is Fleeing the Equator to Cooler Waters: History Tells Us This Could Trigger a Mass Extinction Event
• The Issue of Plastic Harming the Marine Life
• Ocean and Marine Life Protection Acts and Treaties
• Marine Life Is Facing Threats Never Seen Before: The Menace of Overfishing
• Six Ocean-Friendly Habits to Help Protect Marine Life
• The Protection of Marine Life and Its Legal Aspects
• What Are the Threats That Marine Life Is Facing?
• How Can You Protect the Ocean and Help Save Marine Life From Home?
• What Marine Life Is Most Affected by Pollution?
• How Much Marine Life Is Killed by Plastic?
• What Is the Biggest Cause of Marine Life Death?
• How Can We Save and Protect Marine Life?
• What Is Marine Life Conservation?
• Can We Survive Without Marine Life?
• How Is Climate Change Affecting Marine Life in the Arctic?
• What Is Marine Biology and Why Is It Important?
• Will Marine Life Face Mass Extinction if Oceans Continue to Warm?
• Is Marine Biology a Part of Environmental Science?
• What Is the Biggest Threat to Marine Life?
• How Does Marine Biology Affect the Environment?
• What Caused the Extinction of Marine Life?
• How Has Marine Biology Helped the World?
• Why Is Marine Life Important to the Environment?
• How Can Studying Marine Biology Help to Conserve Marine Diversity?
• What Is the Greatest Contribution of Marine Biology?
• Is Marine Biology Important to Humans?
• What Types of Pollution Affect Marine Life?
• How Does Marine Biology Affect Society?
• What Is the Role of Ethics in Experimental Marine Biology and Ecology?
• How Does Marine Biology Help the Environment?
• What Are the Benefits of Marine Biology?

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These essay examples and topics on Marine Life were carefully selected by the StudyCorgi editorial team. They meet our highest standards in terms of grammar, punctuation, style, and fact accuracy. Please ensure you properly reference the materials if you’re using them to write your assignment.

This essay topic collection was updated on June 24, 2024 .

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Marine biology articles from across Nature Portfolio

Marine biology is the study of life in the oceans and brackish waters, which ranges from archaea and bacteria to marine mammals, and includes organisms such as corals that affect the shape of the seafloor. This may also include human modifications to ocean biology, such as fisheries or the effects of overfishing.

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Genetics and ontogeny are key factors influencing thermal resilience in a culturally and economically important bivalve

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Shifts in benthic megafauna communities after glacial retreat in an Antarctic fjord

Both the structural and functional diversities of the benthic megafauna community in an Antarctic deglaciated fjord change with depth and distance from the glacier according to observations using a remotely operated vehicle at Marian Cove.

• In-Young Ahn
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The global distribution and climate resilience of marine heterotrophic prokaryotes

This study uses global datasets of marine prokaryotes to reveal that prokaryotic biomass varies by just under 3-fold across the global surface ocean, while metabolic activity increases by more than one order of magnitude from polar to tropical coastal and upwelling regions. The findings also suggest that shifts under climate change could lead to an increasingly microbial-dominated ocean.

• Ryan F. Heneghan
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Low ethnic diversity among university applicants in marine and environmental science in the United Kingdom

In the United Kingdom, Asian students are less likely to be accepted into University courses on environmental science than students of other ethnicities, according to an analysis of 18,000 applications submitted to UK universities between 2019 and 2021.

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Epiphytic microbiome associated with intertidal seaweeds in the Mediterranean Sea: comparative analysis of bacterial communities across seaweed phyla

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Coral reefs deserve evidence-based management not heroic interference

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Mixed management boosts reef shark abundance

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Ecological role of offshore structures

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• Daniel O. B. Jones

Shining light on dinoflagellate photosystem I

Dinoflagellates are ecologically important and essential to corals and other cnidarians as phytosymbionts, but their photosystems had been underexplored. Recently, photosystem I (PSI) of dinoflagellate Symbiodinium sp. was structurally characterized using cryo-Electron Microscopy (cryo-EM). These analyses revealed a distinct organization of the PSI supercomplex, including two previously unidentified subunits, PsaT and PsaU, and shed light on interactions between light harvesting antenna proteins and the PSI core. These results have implications with respect to the evolution of dinoflagellates and their association with cnidarians.

• Shuaishuai Wu
• Arthur R. Grossman

Restoration as a meaningful aid to ecological recovery of coral reefs

Restoration supports the recovery of ecological attributes such as cover, complexity, and diversity to slow the areal decline of natural ecosystems. Restoration activity is intensifying worldwide to combat persistent stressors that are driving global declines to the extent and resilience of coral reefs. However, restoration is disputed as a meaningful aid to reef ecological recovery, often as an expensive distraction to addressing the root causes of reef loss. We contend this dispute partly stems from inferences drawn from small-scale experimental restoration outcomes amplified by misconceptions around cost-based reasoning. Alongside aggressive emissions reductions, we advocate urgent investment in coral reef ecosystem restoration as part of the management toolbox to combat the destruction of reefs as we know them within decades.

• David J. Suggett
• James Guest

People and coastal ecosystems adapt to relative sea-level rise

Humans and mangroves adapt to conditions arising from subsidence and relative sea-level rise. Quantifying adaptation responses provides an innovative and cost-effective means of characterizing spatial variation in subsidence and relative sea-level rise and delivers critical information for coastal planning.

• Kerrylee Rogers

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104 Marine Life Essay Topic Ideas & Examples

🏆 best marine life topic ideas & essay examples, 👍 good essay topics on marine life, ⭐ simple & easy marine life essay titles.

• Plastic Waste and Its Effects on Marine Life However, many people do not appreciate the importance of oceans to human and marine life. Another effect of microplastics on the marine community is that they lead to uneven distribution of organisms.
• Ocean Pollution and the Fishing Industry In essence, the activities of over six billion people in the world are threatening the survival and quality of water found in the oceans, lakes and other inland water catchment areas.
• Ocean Currents: General Information There are generally two types of ocean currents depending on the water level where the movement of oceanic water takes place and they are the deep ocean currents and the surface ocean currents.
• Life in the Bottom of the Ocean and Its Protection While we all strive hard to detect and analyze the essence of life and the impact it has on our lives, we need to understand that life in itself is a big mystery, the truth […]
• The Indian Ocean Tsunami of 2004 and Its Consequences The worst effects of the great wave were observed in Indonesia, where the death toll exceeded 160,000 people, and the overall damages almost reached $4.
• The Impacts of Oil Spills on Marine Life The intensity of aquatic effects is influenced by the nature and extent of the spilt oil. Besides, the severity might be influenced by the sensitivity and ambient state of the pretentious marine and their surroundings […]
• The Aral Sea Problems, Their Causes and Consequences To identify and analyze the problems of the lake, its basin, and the entire region To discuss the causes and consequences of the lake’s destruction To evaluate the solutions proposed for ameliorating the consequences The […]
• Marine Life in United Arab Emirates This report analyses the marine life in the UAE, covering detailed information about the various species of animals found in the region and their adaptation to the unique environment.
• The Ocean Pollution Problem Overview Ocean pollution is the unfavorable upshot due to the entrance of chemicals and particulate substances into the ocean. The land is the key source of ocean pollution in the form of non-point water pollution.
• Marine Parks Concept Overview In terms of marine tourism, aquatic parks offer the best solution for tourists because they are cheaper than watching animals in the sea.
• “History of Ocean Basins” by Hess From the article it is vivid that the coming into being of oceans is subject to discussion since the previous knowledge is doubtful, and the existing framework is confusing.
• The Aral Sea’s Environmental Issues Prior to its destruction, the Sea was one of the biggest water bodies, rich in different species of flora and fauna; a case that is opposite today, as the sea is almost becoming extinct.
• Marine Biodiversity Conservation and Impure Public Goods The fact that the issue concerning the global marine biodiversity and the effects that impure public goods may possibly have on these rates can lead to the development of a range of externalities that should […]
• Climate Change Impacts on Ocean Life The destruction of the ozone layer has led to the exposure of the earth to harmful radiation from the sun. The rising temperatures in the oceans hinder the upward flow of nutrients from the seabed […]
• Ocean Fisheries Sustainability Analysis It is necessary for fishing industries to use better fishing methods in the ocean to ensure that their activities do not endanger the ecological balance. Fish species do not get the chance to replenish and […]
• Sea Otters’ Life Cycle From Birth to Death However, after the species had almost become extinct and their protection began, the species began to recover and towards the close of the 20th century, conservation had given rise to tens of thousands of sea […]
• The Dead Sea Geochemical History Globally, the most saline location is found on the water surfaces and shores of the Dead Sea. On the other hand, the pattern of fluctuation in temperature and salinity in the Arctic Ocean is complex.
• Plastic Ocean Pollution on Ocean Life in U.S. Ocean plastic pollution has had a great impact on a minimum of two hundred and sixty seven species across the world and these include forty three percent of all of the sea mammal species, eighty […]
• How Deep Sea Discoveries Inspires Professional Creativity Limited technological access to the deep seas should inspire one to focus on the necessary technology to build the most efficient deep-sea robots.
• Habitat and Ocean Life Considerations of Bottlenose Dolphins The temperate and tropical oceans of the world are home to bottlenose dolphins. On the American continent, bottlenose dolphins can be seen along California’s southern beaches and the eastern seaboard from Massachusetts to Florida, and […]
• Effect of Sea Water and Corrosion on Concrete On the other hand, substantial tautness, for instance due to meandering will shatter the tiny firm pattern, ending up in fracturing and disjointing of the concrete.
• Marine Ecosystems in Oceanography Studies While oceanography students need to understand these aspects of ocean management, this paper focused on marine ecosystems, as a broad and useful topic in oceanography studies.
• The Problem of Ocean Pollution in Modern World Wastes such as toxic matter, plastics, and human wastes are some of the major sources of pollution in the ocean. Many people consume fish as food; when marine life is affected by toxic substance in […]
• Integrated Coastal Zone Management in the Red Sea and the Gulf of Aden The role of the ICZM in the control of environmental, transport, industrial, and other types of safety is high, and the example of the RSGA region proves this.
• Sea Foods in the Environment Protection Context Further, the purpose of the website is to give information that seeks to reward the efforts of people who protect and safeguard the ocean and seafood supplies such as lobsters.
• Marine Conservation and Coastal Development The committee should comprise of a balanced membership for holistic review of the coastal development projects. The lack of legislation related to marine conservation is also a major setback.
• SOFAR Effects on the Marine Life The speed and energy of the sounds that are transmitted in the SOFAR channel are maintained without being altered because of the pressure, which increases with increase in depth.
• How Climate Change Impacts Ocean Temperature and Marine Life The ocean’s surface consumes the excess heat from the air, which leads to significant issues in all of the planet’s ecosystems.
• The Negatives of Fossil Fuel: Ocean Acidification and Human Health The adverse effects of burning oil are hard to overestimate. Unless specific and practical actions are taken to address the issues of global climate change and pollution issues and reduce reliance on oil, the future […]
• Impacts of Climate Change on Ocean The development of phytoplankton is sensitive to the temperature of the ocean. Some marine life is leaving the ocean due to the rising water temperature.
• Exploring Environmental Issues: Marine Ecotourism For marine ecotourism to succeed, it must thrive in a manner that accommodates the needs of both the current and future generations and safeguards the natural environment.
• Autonomous Platforms in Marine Research One of the significant ideas that can increase the overall efficiency of the data collection process is the creation of networks of autonomous platforms.
• The Sea Water Impact on the Human Cell Hence, consuming it causes a high amount of salt without the human cell, which leads to a steep concentration gradient within the cell, thereby causing water to be drawn out, which is detrimental to the […]
• Ocean Sustainability and Human Economic Activity The world economy and the livelihoods of hundreds of millions of people depend on the ocean. It is important to remember that the misuse of water resources and the effects of global climate change will […]
• Mining and Ocean Use in Canada Cobalt, nickel, manganese, and copper are among the metals deep seabed mining seeks to extract from the polymetallic nodules on the seafloor and seamounts.
• Addressing Marine Debris: Causes, Effects, and Potential Solutions A major limitation that makes the eradication of the problem difficult is the fact that most of the debris contains microplastic.
• Visiting San Francisco Bay as Marine Protected Area San Francisco Bay Bridge will become the central place for this trip because it is just in the center of this view.
• Non-trophic Interaction in Marine Species An example of non-trophic relationships between marine species is decorator crabs and sponges. Decorator crabs and sponges’ relations are an example of mutually helpful non-trophic interaction mutualism.
• The Rising of Sea Level and Melting Glaciers: Analysis of the Issues In modern realities, the rate of warming of the World’s Oceans has increased. Global warming provokes the melting of ice in Greenland and Antarctica.
• Ocean Dumping Issue and Rhetorical Rationale Therefore, the goal of this paper is to prove that the poster in question manages to accomplish an impressive goal of subverting the audience’s expectation and encouraging them to shift from an ironic perception of […]
• The Ocean Dumping Problem: A Visual Argument There is, however, less awareness of deep-sea drilling and the impacts on the habitat and human life in the oceans and along the coasts.
• Australia’s Endangered Diverse Marine Ecosystem Climate Change and population increase are becoming increasingly difficult to perceive distinctly, especially when the question is about the loss of a diverse marine environment.
• Marine Environment Protection and Management in the Shipping Industry Therefore, criminal penalties system in collaboration with the Environmental Protection Agency should reinforce legislations to protect sea creatures and humans from oil pollution or wastes from ships.
• Marine Creatures and Terrestrial Animals in “The Wild West: Gold Rush” In fact, Californian nature is rich in various animal species that live to survive and pass their genes to the offspring.
• Integrated Ocean Drilling Program Expedition 342 Such flows reduce the temperature of the planet’s core, change the composition of the foundation bedrock, and impact microorganism dispersion in the subterranean ecosystem.
• Ocean Circulation and Biogeography, Species Distribution, Invasive Species The concept of ocean circulation refers to the movements of water in the oceans and seas. Surface ocean currents carry water from the poles to the tropics, where it is heated, and, afterwards, this water […]
• Plastic Ocean and Its Effect on the Ecosystem The purpose of this essay is to present science-based facts in support of the author’s words to convince the reader of the criticality of the ecological problem.
• Marine Protected Areas: Impact on Kelp Forest Recovery and Urchin Reduction The research aims to study the effectiveness of MPA for kelp forest recovery and urchin reduction. The research aims to study the effectiveness of MPA for kelp forest recovery and urchin reduction.
• Environmental Marine Ecosystems: Biological Invasions One of the biggest hypoxic zones in the US is in the Gulf of Mexico. The condition of water in the area caused the decline of the shrimp industry.
• How the Ocean Current Affect Animals’ Life in the Sea Depending on the strength of the ocean current, sea animals along the path are flown along with the water, and the animals are moved to new regions that are sometimes thousands of kilometers away causing […]
• Effects of Global Warming on Marine Life Global warming has adverse effects on the marine life. It has led to the extinction of some of the animals and living things and has been necessitated by human activities.
• Deep-Sea Biology: The Search for a Sea Monster This case study is about the attempts of Clyde Roper to find the giant squid. This canyon is known to be very deep and runs towards the Kermadec Trench which is also documented to be […]
• Bacterial Diseases of Marine Organisms The striped dolphin is a highly susceptible host of the bacteria and poses and the most potent reservoir and source of transmission of the infectious agent.
• Ecotoxicology in the Marmara Sea: A Critical Review The importance and actuality of the paper can not be exaggerated, as the problem of toxic wastes is one of the most burning in Europe.
• Marine Surveying, Inspection and Safety Practices The importance of these conventions and rules was to address the need to access different ports in different countries based on uniform rules and standards acceptable to destination ports or countries in addition to maintaining […]
• Dell’s Initiative to Recycle Ocean-Bound Plastics The innovation to use plastics from the ocean and areas where these materials had a high risk of moving to the water was presented to the company in 2015.
• High Seas Marine Protected Areas: Effective Legislation or Paper Parks This essay dwells on the definition and importance of MPAs, including the ones in the high sea. The goal of the alliance is to bolster international collaboration and exchange of knowledge.
• Intergovernmental Relations and Ocean Policy Change The administration of Ronald Reagan contributed to the Federal ocean policy in the 1980s. During this change, analysts believed the United States was making a shift from ocean protection of the 1970s to ocean management […]
• Improving the Response to Marine Emergencies However, we still need to facilitate this process, for instance, by informing the National Fire Service about the implementation of this project and its results. These are the most objectives that have to be attained […]
• A Benchmarking Biodiversity Survey of the Inter-Tidal Zone at Goat Island Bay, Leigh Marine Laboratory Within each quadrant, the common species were counted or, in the case of seaweed and moss, proliferation estimated as a percentage of the quadrant occupied.
• Ocean Circulation in a Warming Climate These effects will enhance the development of reduced release of radio-carbon depleted carbon dioxide gas and thus the idea of the self-restoration mechanism of the earth to this global warming.
• Protected Marine Areas: Great Barrier Reef To protect the Great Barrier Reef the administration has put in place several policies to protect this region. In this plan, A panel of scientists was to advise on the quality of waste.
• Ocean Thermal Energy Conversion The warm seawater is carried into a chamber and is used to produce vapor that, in turn, is used to rotate a turbine.
• Review of the Quaternary History of Reefs in the Red Sea With Reference to Past Sea-Level Changes Some of the changes have occurred on the very grandest of scales, such as the Merging and ensuing breaking up of huge supercontinents, or the decimation of the dinosaurs by extra-terrestrial impacts.reefs are not invulnerable […]
• Radiocarbon C14 Dating in Marine Geology The radiocarbon technique can say to be one of the most important inventions of the 20th century, especially in the field of human science.
• Marine Biology: Polar Oceans as an Eco System The water in and around the Antarctic continent is referred to as the Antarctic or Southern Ocean. The Atlantic Water is situated between the Arctic Surface Water and the Arctic Deep Water.
• Marine Pollution: Sources, Types, Pathways, and Status By examining sources, types, pathways, and status of water contamination in the context of the World Ocean, it is clear that most marine pollution caused by human actions, especially the mismanagement of plastic debris.
• Concerns of Ocean Ecosystem Pollution The range of adverse outcomes for ocean ecosystems can be discussed in volumes; however, the current discussion will focus on trash in the ocean waters, acidification, and the disruption of the marine life cycles.
• Marine Degradation and Solutions in the Pacific Region The second issue related to the degradation of marine resources in the Pacific region is the unsustainable use of marine resources, including destructive fishing, which leads to changes in the number and health of species.
• Port Philip Bay and Sea Levels in Australia’s Geological History As the scientist explains, the phenomenon of the port’s emergence in the dry environment can be attributed to the fact that considerable water shrinkage could be observed in the area roughly 1,000 years ago.
• Geology: Port Phillip Bay and Sea Level Changes Specifically, the fossils of specific creatures, such as the shells of tertiary foraminifera, as well as the meanders of the river channels, which were located in the area, are bound to bolster the hypothesis suggested […]
• Marine Algae Associated Bacteria as Antioxidants The antinociceptive activity analysis involved comparing the reaction time of mice treated with the extracts and the controls. The authors conclude that the isolation and characterization of the bioactive principles from the potent strains could […]
• Ocean-Plate Tectonics and Geology Bathymetry of the ocean seafloor refers to the measurement of how deep the sea is in relation to the sea level.
• Impact of Sea Transport on the Aquatic Environment The shipping companies also have a serious impact on the maritime environment in terms of the wastes often released into the water.
• Deep-Sea Currents and Upwelling Along Florida The thermohaline circulation influences the movement and population of the marine ecosystem and heat redistribution both in the sea and on the earth’s surface.
• Climate Change Effects on Ocean Acidification The scientists realized that the crisis lasted for several millennia before the oceans could fully recover from the impacts of the drop in the pH level.
• Marine Geology, Hydrology and Human Impact on Earth However, the implementation of the new technologies and practices in the process of investigation of the sea depths resulted in the appearance of the new meaning.
• Marine Ecosystems, Human Dependence and Impact The growth of communities dependent on fishing is proportional to the destruction of marine ecosystems. The survival of the human race, and the survival of millions of species of wildlife is dependent on a healthy […]
• The Northern Sea Route’ Safety Management The company discusses the opportunity to trade some of the vessels with the help of the NSR. The NSR is discussed as an attractive option to decrease the time spent in the voyage while comparing […]
• Water Crisis, Oceans and Sea Turtles Issues In the case of Mexico, it appears that the past regimes have never put a lot of focus on the utilization of water resources.
• Ocean Acidification Impact on the Sea Urchin Larval Growth Due to the carbon dioxide increase in the atmosphere, acidity in the oceans is increasing++ and a fast increase of change rate is experienced.
• Deep Sea Mining: Salt Extraction This therefore shows how important the process of evaporation is in regard to extraction of salt from the sea. This therefore explains that sea water is a cheap source of salt in terms of time […]
• Pacific Ocean: Essentials of Oceanography The ocean has about 25,000 islands which are in excess of the entire number islands in all the oceans across the world. The volume of water in the ocean is about 622 million km3.
• Marine Pollution and the Anthropogenic Effects Upon It Marine pollution denotes the introduction of harmful materials or chemicals in our oceans which may disrupt the marine ecosystem, cause other harmful effects to marine life or change the chemical properties of the water.
• El Niño’s Effects on Marine Life El Nino makes the winds of the east blow to the west and moves the layers of warm water in the Pacific Ocean.
• Ecology Issues: Creatures of the Deep Sea Discuss the negative changes that are occurring and the cause of these changes In the recent past, the temperature on the earth has been rising steadily due to the effect of global warming.
• Ocean Literacy and Exploration From the onset of “human-ocean interaction and exploration in the fifteenth century” and despite ocean being the largest feature of the earth, only 5% of the ocean is known.
• Ocean and Atmosphere Circulation Oceanic and atmospheric circulation is the means by which heat is distributed on the surface of the Earth by large scale circulation of air.
• The Role of Sea Power in International Trade The historical influence that the marines or the navy has had on international trade and the complications in comparing measures of sea power has been issues of discussion in the past.
• The Global Ocean Conveyor Belt This ocean water phenomenon is a result of the temperature difference in the ocean waters between the warm, salty surface water, and the less salty cold water in the ocean depths.
• Florida Keys National Marine Sanctuary Reefs This essay addresses some of the disturbances which have been experienced in the coral reefs of the Florida Keys National Marine Sanctuary together with measures which have been implemented to salvage the ecosystem.
• Impact of the Toxic Substances on Marine Ecosystem The condition of hypoxia is created when algal biomass decompose leading to dissolution of oxygen in the water column. While, on the other hand, farming of Bluefin tuna leads to destruction of marine life as […]
• Climate Shift Could Leave Some Marine Species Homeless This is very important as it helps put pressure on countries to reduce on carbon release, in order to conserve the environment and hence species at risk.
• Global Warming Outcomes and Sea-Level Changes The outcome of global warming has been exhibited by the melting of ice and snows in areas such as the Antarctic which has changed the average sea level of the whole world because the ice […]
• The Ocean’s Rarest Mammal Vaquita – An Endangered Species The vaquita looks like a curved stocky porpoise, and it is the smallest of all the porpoises in the world. This is a matter of concern and ought to be investigated if the survival of […]
• Deep Sea Volcanoes and their Effects Deep sea volcanoes are present under deep sea ridges of the ocean floor and the above research has been based on the amount of carbon dioxide that is present in depths of four kilometers on […]
• Policy Change to Control Ocean Dumping Policies addressing the issue of ocean dumping and the need to curb it have been in place. Several factors fueled the change; for instance, change in the information concerning the effect of ocean dumping to […]
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Marine life

Our ocean, coasts, and estuaries are home to diverse living things. These organisms take many forms, from the tiniest single-celled plankton to the largest animal on Earth, the blue whale. Understanding the life cycles, habits, habitats, and inter-relationships of marine life contributes to our understanding of the planet as a whole. Human influences and reliance on these species, as well as changing environmental conditions, will determine the future health of these marine inhabitants. Toxic spills , oxygen-depleted dead zones, marine debris , increasing ocean temperatures, overfishing, and shoreline development are daily threats to marine life. Part of NOAA's mission is to help protect these organisms and their habitats.

Food webs describe who eats whom in an ecological community. Made of interconnected food chains, food webs help us understand how changes to ecosystems — say, removing a top predator or adding nutrients — affect many different species, both directly and indirectly.

Phytoplankton and algae form the bases of aquatic food webs. They are eaten by primary consumers like zooplankton, small fish, and crustaceans. Primary consumers are in turn eaten by fish, small sharks, corals, and baleen whales. Top ocean predators include large sharks, billfish, dolphins, toothed whales, and large seals. Humans consume aquatic life from every section of this food web.

Coral reefs are some of the most diverse ecosystems in the world. Coral polyps , the animals primarily responsible for building reefs, can take many forms: large reef building colonies, graceful flowing fans, and even small, solitary organisms. Thousands of species of corals have been discovered; some live in warm, shallow, tropical seas and others in the cold, dark depths of the ocean.

Seafood plays an essential role in feeding the world’s growing population. Healthy fish populations lead to healthy oceans and it's our responsibility to be a part of the solution. The resilience of our marine ecosystems and coastal communities depend on sustainable fisheries.

Estuaries are areas of water and shoreline where rivers meet the ocean or another large body of water, such as one of the Great Lakes. Organisms that live in estuaries must be adapted to these dynamic environments, where there are variations in water chemistry including salinity, as well as physical changes like the rise and fall of tides. Despite these challenges, estuaries are also very productive ecosystems. They receive nutrients from both bodies of water and can support a variety of life. Because of their access to food, water, and shipping routes, people often live near estuaries and can impact the health of the ecosystem.

Marine mammals are found in marine ecosystems around the globe. They are a diverse group of mammals with unique physical adaptations that allow them to thrive in the marine environment with extreme temperatures, depths, pressure, and darkness. Marine mammals are classified into four different taxonomic groups: cetaceans (whales, dolphins, and porpoises), pinnipeds (seals, sea lions, and walruses), sirenians (manatees and dugongs), and marine fissipeds (polar bears and sea otters).

Sea turtles breathe air, like all reptiles, and have streamlined bodies with large flippers. They are well adapted to life in the ocean and inhabit tropical and subtropical ocean waters around the world. Of the seven species of sea turtles, six are found in U.S. waters; these include the green, hawksbill, Kemp's ridley, leatherback, loggerhead, and olive ridley.

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Digital Commons @ USF > College of Marine Science > Theses and Dissertations

Marine Science Theses and Dissertations

Theses/dissertations from 2024 2024.

Iron Isotope Transformations in Saanich Inlet , Claire Onak

Theses/Dissertations from 2023 2023

Environmental chemical analysis method optimization and application to northwest Cuban marine sediment , Thea R. Bartlett

Exploring the Impact of Eddies on Southern Ocean Biogeochemical Structure using BGC-Argo Float Observations , Nicola J. Guisewhite

Meta-Analysis of United States Seabird Populations Based on Ocean Biodiversity Information System (OBIS) Records (1965–2018) , Savannah Hartman

Stable Isotopic Investigation of the Hydrological Cycle of West-Central Florida , Toedsit Netratanawong

Examining paleoshorelines in the eastern Gulf of Mexico: Insights on sea level history and potential areas of interest for habitat management , Catalina Rubiano

Stable Isotope Analysis on Yellowfin and Blackfin Tuna Eye Lenses Reveals Life History Patterns in the Gulf of Mexico , Kylee M. Rullo

Stable Isotope Analysis of Doryteuthis (Amerigo) pealeii Eye Lenses to Determine Migratory Patterns in the Eastern Gulf of Mexico Using Statoliths for Age Determination , Hannah M. Schwaiger

Theses/Dissertations from 2022 2022

The effects of temperature and oxygen availability on aerobic performance in three coastal shark species; Squalus acanthias, Carcharhinus limbatus, and Carcharhinus leucas , Alyssa M. Andres

Continuous Effort Required to Maintain Populations of Outplanted Acropora cervicornis in the Florida Reef Tract, USA , Tiffany S. Boisvert

Elucidating the Sources Supplying Aerosol Iron, Zinc, and Cadmium to the Surface of the North Pacific Ocean with Stable Isotopes , Zach B. Bunnell

Quantifying Environmental Sensitivity of Marine Resources to Oil Well Blowouts in the Gulf of Mexico , Emily Chancellor

Zooplankton Biodiversity in the Northeast Gulf of Mexico and on the West Florida Shelf from 2005 - 2014 , Megan Ferguson

Coupling 210 Pb and 14 C to constrain carbon burial efficiency of blue carbon ecosystems , Tynisha R. Martin

Empirical and Modeled δ13C and δ15N Isoscapes in the Gulf of Mexico and their Application to Fish Eye Lens Migration Studies , Brianna Michaud

Interactions between juvenile estuary-dependent fishes and microalgal dynamics , Ian C. Williams

Theses/Dissertations from 2021 2021

Metabolic Rate, Critical Oxygen Partial Pressure, and Oxygen Supply Capacity of Farfantepenaeus duorarum at their Lower Thermal Limit , Alexandra L. Burns

From River to Sea: Improving Carbon System Measurement Methods for use in Rivers, Estuaries, and Oceans , Ellie Hudson-Heck

Riverine and Estuarine CO2-System Studies on the West Coast of Florida , Christopher S. Moore

Past Ice-Ocean Interactions on the Sabrina Coast shelf, East Antarctica: Deglacial to Recent Paleoenvironmental Insights from Marine Sediments , Kara J. Vadman

Investigating the Recent History of a Changing Planet with Innovative Isotopic Techniques and New Geologic Archives , Ryan A. Venturelli

Theses/Dissertations from 2020 2020

Testing the Efficacy of Recompression Tools to Reduce the Discard Mortality of Reef Fishes in the Gulf of Mexico , Oscar E. Ayala

Polychlorinated Biphenyls, Organochlorine Pesticides, and Polycyclic Aromatic Hydrocarbons in Snapper (Family Lutjanidae) from Cuba and the Wider Gulf of Mexico , Brigid E. Carr

A Health Evaluation of Gulf of Mexico Golden Tilefish (Lopholatilus chamaeleonticeps) and Red Snapper (Lutjanus campechanus) Following the Deepwater Horizon Oil Spill , Kristina Leigh Deak

A Process-based Approach to Evaluating the Role of Organic Ligands in Trace Metal Cycling in the Marine Environment , Travis Mellett

Investigation of Retention Versus Export of Planktonic Fish Eggs in the Northeastern Gulf of Mexico , Bich Vi Viviane Nguyen

Development of a Benthic Foraminifera Based Marine Biotic Index (Foram-AMBI) for the Gulf of Mexico: a Decision Support Tool , Bryan O'Malley

Plio-Pleistocene Antarctic Ice-Ocean Interactions in the Ross Sea , Catherine Prunella

Mechanisms of Carbon Movement and Stabilization in Mangrove Wetlands , Carey Schafer

Hepatobiliary Polycyclic Aromatic Hydrocarbons in Pelagic Fishes of the Gulf of Mexico , Madison R. Schwaab

Analytical Methods and Critical Analyses Supporting Thermodynamically Consistent Characterizations of the Marine CO 2 System , Jonathan D. Sharp

Large Thecosome Pteropods of the Northern Gulf of Mexico: Species Abundance, Spatial and Vertical Distribution With a Temporal Comparison of Shell Thickness , Sarah M. Shedler

Polycyclic Aromatic Hydrocarbon Exposure, Hepatic Accumulation, and Associated Health Impacts in Gulf of Mexico Tilefish (Lopholatilus chamaeleonticeps) , Susan M. Snyder

Investigating the Isotope Signatures of Dissolved Iron in the Southern Atlantic Ocean , Brent A. Summers

Modeling Early Life: Ontogenetic Growth and Behavior Affect Population Connectivity in Gulf of Mexico Marine Fish , Kelly Vasbinder

Isotope-Based Methods for Evaluating Fish Trophic Geographies , Julie L. Vecchio

Theses/Dissertations from 2019 2019

Use of Spectrofluorometry to Detect Petroleum Hydrocarbons in the Marine Environment , Mary Iris Abercrombie

Can Florida's Springs Coast provide a Potential Refuge for Calcifying Organisms? Evidence from Benthic Foraminifera , Kyle E. Amergian

Iron-Virus Interactions: Development and Testing of the Ferrojan Horse Hypothesis , Chelsea Bonnain

DNA Barcoding of Fish Eggs in the Gulf of Mexico , Makenzie Burrows

Ecological Responses of Seascape Heterogeneity , Dinorah H. Chacin

Species Abundance, Spatial and Vertical Distributionsof Large Heteropods (Pterotracheidae and Carinariidae)in the Northern Gulf of Mexico , Kristine A. Clark

Zooplankton Community Structure in the NE Gulf of Mexico: Impacts of Environmental Variability and the Deepwater Horizon Oil Spill , Kate M. Dubickas

Life History Through the Eyes of a Hogfish: Evidence of Trophic Growth and Differential Juvenile Habitat Use , Meaghan E. Faletti

Population Demographics of Golden Tilefish Lopholatilus chamaeleonticeps in the Gulf of Mexico , Greta J. Helmueller

Regeneration of Trace Metals During Phytoplankton Decay: An Experimental Study , Adrienne P. Hollister

Estimating Coastal Water Turbidity Using VIIRS Nighttime Measurement , Chih-Wei Huang

Untapped Potential of Gorgonian Octocorals for Detecting Environmental Change in Biscayne National Park, Florida, USA , Selena A. Kupfner Johnson

High-Resolution Investigation of Event Driven Sedimentation: Response and Evolution of the Deepwater Horizon Blowout in the Sedimentary System , Rebekka A. Larson

Variations of Sedimentary Biogenic silica in the Gulf of Mexico during the Deepwater Horizon and IXTOC-I Oil Spill. , Jong Jin Lee

Variations of Global Ocean Salinity from Multiple Gridded Argo Products , Chao Liu

Fish Communities on Natural and Artificial Reefs in the Eastern Gulf of Mexico , Elizabeth C. Viau

Reconstructing Geographic and Trophic Histories of Fish Using Bulk and Compound-Specific Stable Isotopes from Eye Lenses , Amy A. Wallace

Studies of the Long-term Change of Global Mean and Regional Sea Surface Height , Yingli Zhu

Theses/Dissertations from 2018 2018

Ecophysiology of Oxygen Supply in Cephalopods , Matthew A. Birk

Remote Estimation of Surface Water p CO 2 in the Gulf of Mexico , Shuangling Chen

Spatial Dynamics and Productivity of a Gulf of Mexico Commercial Reef Fish Fishery Following Large Scale Disturbance and Management Change , Marcy Lynn Cockrell

Quantifying the Probability of Lethal Injury to Florida Manatees Given Characteristics of Collision Events. , B. Lynn Combs

Diversity of ssDNA Phages Related to the Family Microviridae within the Ciona robusta Gut , Alexandria Creasy

Use of a Towed Camera System along the west Florida shelf: A Case Study of the Florida Middle Grounds Benthic Marine Communities , Katie S. Davis

Using Ecosystem-Based Modeling to Describe an Oil Spill and Assess the Long-Term Effects , Lindsey N. Dornberger

Extending Spectrophotometric pHT Measurements in Coastal and Estuarine Environments , Nora Katherine Douglas

Evaluating the use of larval connectivity information in fisheries models and management in the Gulf of Mexico , Michael Drexler

An Interdisciplinary Approach to Understanding Predator-Prey Relationships in a Changing Ocean: From System Design to Education , Ileana M. Freytes-Ortiz

Application of Image Recognition Technology to Foraminiferal Assemblage Analyses , Christian Helmut Gfatter

Evaluation of trace-metal and isotopic records as techniques for tracking lifetime movement patterns in fishes , Jennifer E. Granneman

The Stability of Sand Waves in a Tidally-Influenced Shipping Channel, Tampa Bay, Florida , John Willis Gray

Application of Modern Foraminiferal Assemblages to Paleoenvironmental Reconstruction: Case Studies from Coastal and Shelf Environments , Christian Haller

Integrating Towed Underwater Video with Multibeam Acoustics for Mapping Benthic Habitat and Assessing Reef Fish Communities on the West Florida Shelf , Alexander Ross Ilich

Evaluating Beach Water Quality and Dengue Fever Risk Factors by Satellite Remote Sensing and Artificial Neural Networks , Abdiel Elias Laureano-Rosario

Microbial Associations of Four Species of Algal Symbiont-Bearing Foraminifera from the Florida Reef Tract, USA , Makenna May Martin

Environmental controls on the geochemistry of Globorotalia truncatulinoides in the Gulf of Mexico: Implications for paleoceanographic reconstructions , Caitlin Elizabeth Reynolds

Dormancy in the Amphistegina gibbosa Holobiont: Ecological and Evolutionary Implications for the Foraminifera , Benjamin J. Ross

Optical Remote Sensing of Oil Spills in the Gulf of Mexico , Shaojie Sun

Spatial and Temporal Distributions of Pelagic Sargassum in the Intra-Americas Sea and Atlantic Ocean , Mengqiu Wang

Theses/Dissertations from 2017 2017

Packaging of Genetic Material by Gene Transfer Agents (GTAs) Produced by Marine Roseobacter Species and Their Effect on Stimulating Bacterial Growth , Shahd Bader Aljandal

Spatio-temporal Dynamics of Soil Composition and Accumulation Rates in Mangrove Wetlands , Joshua L. Breithaupt

Characterizing Benthic Habitats Using Multibeam Sonar and Towed Underwater Video in Two Marine Protected Areas on the West Florida Shelf, USA , Jennifer L. Brizzolara

Latitudinal Position and Trends of the Intertropical Convergence Zone (ITCZ) and its Relationship with Upwelling in the Southern Caribbean Sea and Global Climate Indices , Kaitlyn E. Colna

Calibration-free Spectrophotometric Measurements of Carbonate Saturation States in Seawater , Erin E. Cuyler

Viruses in marine animals: Discovery, detection, and characterizarion , Elizabeth Fahsbender

Quantity Trumps Quality: Bayesian Statistical Accumulation Modeling Guides Radiocarbon Measurements to Construct a Chronology in Real-time , Devon Robert Firesinger

Characterizing Gross Lesions in Corals on Fringing Reefs of Taiwan and Hainan Island, China , Adrienne George

Reef Fish Biodiversity in the Florida Keys National Marine Sanctuary , Megan E. Hepner

Investigating Marine Resources in the Gulf of Mexico at Multiple Spatial and Temporal Scales of Inquiry , Joshua Paul Kilborn

Southern Ocean Transport by Combining Satellite Altimetry and Temperature/Salinity Profile Data , Michael Kosempa

Role of viruses within metaorganisms: Ciona intestinalis as a model system , Brittany A. Leigh

Evaluating satellite and supercomputing technologies for improved coastal ecosystem assessments , Matthew James Mccarthy

Stable Isotopes in the Eye Lenses of Doryteuthis plei: Exploring Natal Origins and Migratory Patterns in the Eastern Gulf of Mexico , Brenna A. Meath

Genetic Identification and Population Characteristics of Deep-Sea Cephalopod Species in the Gulf of Mexico and Northwestern Atlantic Ocean , Amanda Sosnowski

Investigation of Sediment Ridges Using Bathymetry and Backscatter near Clearwater, Florida , Lewis Stewart

Resolving chronological and temperature constraints on Antarctic deglacial evolution through improved dating methodology , Cristina Subt

Subtropical benthos vary with reef type, depth, and grazing intensity , Kara R. Wall

Theses/Dissertations from 2016 2016

Diversity and Distribution of Diatom Endosymbionts in Amphistegina spp. (Foraminifera) Based on Molecular and Morphological Techniques , Kwasi H. Barnes

Abundance of Archaias angulatus on the West Florida Coast Indicates the Influence of Carbonate Alkalinity over Salinity , Sean Thomas Beckwith

Resource Use Overlap in a Native Grouper and Invasive Lionfish , Joseph Schmidt Curtis

Miocene Contourite Deposition (along-slope) near DeSoto Canyon, Gulf of Mexico: A Product of an Enhanced Paleo-Loop Current , Shane Christopher Dunn

Trophic Ecology and Habitat Use of Atlantic Tarpon ( Megalops atlanticus ) , Benjamin Neal Kurth

Characterization of Bacterial Diversity in Cold-Water Anthothelidae Corals , Stephanie Nichole Lawler

Whiting Events Off Southwest Florida: Remote Sensing and Field Observations , Jacqueline Long

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Essays in Marine Biology for Young Scientists Kindle Edition

This book will be welcomed by readers, young and old, or somewhere in between. Young adults with a general interest in science will especially enjoy it.

Each chapter contains an essay on a topic in marine science. Some are short, some are long, some are tongue-in-check, while others are deadly serious. The essays span classic science to newer findings.

Aimed at students from 14 to 24 this book will help exemplary students interested in marine biology, enticing, with a hoard of information, but in small packets. From quick and easy glances at the marine biology world, to tougher concepts of ecology, this series of essays spans the breadth of the ocean world. Somewhere in here are the ideas for your project, your research paper focus, or your eventual thesis. Dive in.

• Print length 198 pages
• Language English
• Sticky notes On Kindle Scribe
• Publication date March 9, 2022
• File size 1080 KB
• Page Flip Enabled
• Word Wise Enabled
• Enhanced typesetting Enabled
• See all details

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Product details

• ASIN ‏ : ‎ B09V8CQHG9
• Publication date ‏ : ‎ March 9, 2022
• Language ‏ : ‎ English
• File size ‏ : ‎ 1080 KB
• Simultaneous device usage ‏ : ‎ Unlimited
• Text-to-Speech ‏ : ‎ Enabled
• Screen Reader ‏ : ‎ Supported
• Enhanced typesetting ‏ : ‎ Enabled
• X-Ray ‏ : ‎ Not Enabled
• Word Wise ‏ : ‎ Enabled
• Sticky notes ‏ : ‎ On Kindle Scribe
• Print length ‏ : ‎ 198 pages
• #105 in Marine Biology (Kindle Store)
• #254 in Ecology (Kindle Store)
• #488 in Marine Biology (Books)

About the author

Bruce j stephen.

Bruce J. Stephen, though born in landlocked Nebraska, has always been drawn to the sea.

As a researcher he has worked at research institutions but spends most of his time doing field work in ecology. He has taught biology at colleges for more than 25 years. In addition to classroom teaching he has lead students in field courses (Jamaica, Bermuda, and Belize). He is enthralled by all aspects of biology and has published research articles in marine science, ecology, malacology, invasive species biology, human behavior, and physiology.

The overall philosophy for his series of books is that learning should be fun. Too many standardized test and the state of the “business” of college has turned him in a different direction. Science classes are, perhaps, duller, then most, so these books are his way to turn this around; Science knowledge is too important to be left to memorized lists, and esoteric language: lets make it cheap and open enough for anyone interested, particularly young adults.

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Essays on Marine biology

We found 6 free papers on marine biology, essay examples, ocean and resources.

Marine biology

The importance of seas and oceans cannot be overstated. They play a crucial role in supporting various plants and animals, offering valuable resources and habitats. Furthermore, they are vital for the well-being and economies of nations. Unfortunately, human activities have had a significant negative impact on marine and coastal ecosystems. Despite this, the planet greatly…

Marine Biology Research Paper

Marine Biology The field of marine biology, the study of organisms within their environment of an ocean, lake, or river, has a very broad range of occupations. Marine biologists try to discover how organisms grow and develop, how they get food, how their bodies function, and how their life relations correspond to other organisms. They…

Geographic distribution of coral reefs in shallow marine waters

            Coral reefs have been in existence for many years and are the most biologically diverse marine ecosystems on the planet. They range in different lengths and sizes and are considered to be the largest geological features that are built by organism. Nevertheless, some of them take years to grow by an inch. They can…

Coral Reefs, Sustainability, and their Impact for the Future

            The ideas of ecoconsciousness and sustainability of the Earth’s natural resources have been around, accessibly, for about twenty years, but, within the last five years, the terms have become part of the American vernacular.  Going green is the new thing—even celebrities are promoting their “green” vehicles, their “eco-friendly” homes, and their “organic-only” diets.  Ecoconsciousness…

The Redneck Way of Fishing

The easiest way to go fishing is by using ten sticks of dynamite and a case of Pabst. In America, blast fishing is often associated with rednecks, but it is still practiced in Southeast Asia and Africa, despite its illegality. There are three areas to consider: the impact on coral reefs and ocean floors, its…

Sharks as Endangered Species

Endangered Species

It’s a peaceful day on a crowded beach in Florida. Out in the water, about a hundred yards from the coast, a dorsal fin appears. Since it’s so far out, it’s hard to tell what it is. Could it be a dolphin? No, this dorsal fin is straight, not curved, and the tail fin is…

Frequently Asked Questions about Marine biology

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Marine Biology Bachelor Degrees

The School of Life Sciences at the University of Hawai‘i at Mānoa teaches students an appreciation for and understanding of living systems, using the unique environment of Hawai‘i as a natural laboratory for study. The curricula are designed to provide students with a strong background in the principles of biology with rigorous upper-division instruction in a number of areas. This combination of breadth and in-depth instruction allows students to develop the intellectual foundations and skills necessary to deal with the specific biological concerns of today and the flexibility to meet the needs of the various professions. From this base, our graduates can pursue future specialization with confidence. Undergraduate students pursuing the biology major have a broad selection of courses and unique opportunities to gain experience in field and laboratory work.  Students are encouraged to participate in the active research with faculty both on and off campus. The baccalaureate curricula are designed to prepare students for graduate work in biological sciences, admission to professional schools, or advanced specialized training.

2023-2024 Marine Biology Degree Requirements

Participating in Undergraduate Research

All Biology majors, regardless of what their desired career path, are encouraged to participate in undergraduate research. Engaging in research is a great way to experience science first-hand and develop a better appreciation for the field of Biology.

Individual research opportunities: Students interested in participating in undergraduate research, known as Directed Research (BIOL 499), can count those credits towards their biology elective requirements. All students are encouraged to participate in research, even if they do not plan to pursue a Masters or PhD. The College of Natural Sciences Student Academic Success Center created a great resource to teach you all about what you need to do to find a research lab and enroll in Directed Research credits. More information about how to register for BIOL 499 can be found here .

Honors Project: For students participating in the UH Mānoa Honors Program , their honors project credits (HON 496) can be used to fulfill Biology Elective credit requirements. Find more information about the Biology Honors Track here .

Course-based undergraduate research opportunities:

SEA-PHAGES : Through the UHM S cience E ducation A lliance – P hage H unters A dvancing G enomics and E volutionary S ciences  program, students complete Introductory Biology lab requirements while learning to conduct research. This experience is perfect for any students requiring a full year of Introductory Biology Lab and desiring to engage in their first research project.

OPiHI : Students participating in O ur P roject i n H awai‘i’s I ntertidal (OPiHI) complete a research project in small collaborative groups—collecting data related to coastal marine ecosystem management and conservation.

BIOL 400 : BIOL 400 provides an opportunity to complete marine related internships either on- or off- campus for course credit. (For BA Marine Biology only)

BIOL 403 : Field Studies in Marine Biology . Offered during Summer Session II, 2 weeks online followed by 4 weeks in person at Hawaii Institute of Marine Biology (HIMB). Students will live in the dorms at Moku O Loe and will have daily snorkel-based fieldwork. Students will also apply statistics to their results, prepare a written report, and give a final public presentation. This intensive experience will require full immersion, i.e. it will be conducted similarly to a research cruise, with an expectation of full-time attendance. Additional costs for HIMB dorms, food, and facilities use fees will be approximately $2,000 per student in addition to tuition.

Course Information and Program Requirements 

UH Online Class Availability  

School of Life Sciences Catalog

Listing by Programs: Biology (BIOL) , Botany (BOT ), Microbiology (MICR) , Molecular Cell Biology (MCB) , Zoology (ZOOL)

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Student Learning Outcomes

For a ba or bs in marine biology, student will be able to:.

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Macrogenomics reveals effects on marine microbial communities during oplegnathus punctatus enclosure farming.

Simple Summary

1. introduction, 2. materials and methods, 2.1. study area and sample collection, 2.2. dna extraction and metagenomic sequencing, 2.3. read-based phylogenetic annotation, 2.4. metagenomic de novo assembly, gene prediction, and gene abundance, 2.5. gene function annotation based on unique genes, 2.6. data statistics and visualization, 3.1. environmental factors, 3.2. microbial community composition, 3.3. relationships between bacteria and environmental factors, 3.4. occurrence of antibiotics in mariculture, 3.5. associations between antibiotic resistance genes and microbiomes, 4. discussion, 5. conclusions, supplementary materials, author contributions, institutional review board statement, informed consent statement, data availability statement, conflicts of interest.

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Wang, L.; Lu, X.; Xing, Z.; Teng, X.; Wang, S.; Liu, T.; Zheng, L.; Wang, X.; Qu, J. Macrogenomics Reveals Effects on Marine Microbial Communities during Oplegnathus punctatus Enclosure Farming. Biology 2024 , 13 , 618. https://doi.org/10.3390/biology13080618

Wang L, Lu X, Xing Z, Teng X, Wang S, Liu T, Zheng L, Wang X, Qu J. Macrogenomics Reveals Effects on Marine Microbial Communities during Oplegnathus punctatus Enclosure Farming. Biology . 2024; 13(8):618. https://doi.org/10.3390/biology13080618

Wang, Lijun, Xiaofei Lu, Zhikai Xing, Xindong Teng, Shuang Wang, Tianyi Liu, Li Zheng, Xumin Wang, and Jiangyong Qu. 2024. "Macrogenomics Reveals Effects on Marine Microbial Communities during Oplegnathus punctatus Enclosure Farming" Biology 13, no. 8: 618. https://doi.org/10.3390/biology13080618

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This Spider Uses a Light Show to Trick Eager Male Fireflies Into Its Web

In China, the arachnids seem to somehow manipulate the flashing of a caught male firefly to resemble a female’s come-hither signal.

Once this spider gets a firefly into its parlor, it seems to be easier to invite more fireflies in. Credit... Xinhua Fu

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By Darren Incorvaia

• Aug. 19, 2024

Imagine being a male firefly when suddenly the telltale flashing of a female catches your eye. Enthralled, you speed toward love’s embrace — only to fly headfirst into a spider’s web. That flashy female was in fact another male firefly, himself trapped in the web, and the spider may have manipulated his light beacon to lure you in.

This high-stakes drama plays out nightly in the Jiangxia District of Wuhan, China. There, researchers have found that male fireflies caught in the webs of the orb-weaver spider Araneus ventricosus flash their light signals more like females do, which leads other males to get snagged in the same web. And weirdly, the spiders might be making them do this , almost like hunters blowing a duck call to attract prey.

“The idea that a spider can manipulate the signaling of a prey species is very intriguing,” said Dinesh Rao, a spider biologist at the University of Veracruz in Mexico. “They show clearly that a trapped firefly in the web attracts more fireflies.” Dr. Rao was not involved in the research, but served as a peer reviewer of the paper published Monday in the journal Current Biology.

Xinhua Fu, a zoologist at Huazhong Agricultural University in Wuhan, was in the field surveying firefly diversity when he first noticed that male fireflies seemed to end up ensnared in orb-weaver spider webs more often than females. Wondering if the spiders were somehow specifically attracting males, he teamed up with Daiqin Li and Shichang Zhang, animal behavior experts from nearby Hubei University, to get to the bottom of this sticky mystery.

Working near paddy fields and ponds, the researchers observed the flashing of trapped male fireflies and saw that it more closely resembled that of females than of free-flying males. Trapped males flashed using only one of their two bioluminescent lantern organs, and they made one flash at a time rather than multiple flashes in quick succession, the same lighting signals females send when trying to attract males.

To see if this altered flashing could be luring more males to their doom, the team identified a whopping 161 webs with a trapped male firefly and randomly assigned one of four conditions to them: Either they removed the spider, blackened out the firefly’s lanterns with ink, did both or did neither. They then diligently monitored each web every five to 10 minutes and recorded how many new males were caught.

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