Habitat Destruction

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The Oculina deep-sea coral reef at top has not been disturbed by humans—but trawling has devastated the one at bottom. When fishermen trawl, they drag a net along the seafloor, destroying everything in its...
It is a well-known fact that for animals living in the deep sea, food can be...
Bikini Atoll, formed over millions of years around an island in the Pacific...
Monk seals -- the only completely tropical species of seal in the world -- are...

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What is blue carbon? It's a term used to describe the carbon that is captured from the atmosphere by ocean ecosystems, mainly coastal mangroves, seagrasses and salt marshes. These coastal areas can hold up to five times more...
The Exxon Valdez oil spill occurred on March 24, 1989 when an oil tanker...
Coral reefs are some of the most endangered ecosystems on the planet that...

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Coral reefs are beautiful, vibrant ecosystems that house roughly one quarter of all marine species and provide billions of...

The Ocean Blog

Around 100 million years ago, grass from land adapted to live and reproduce while submerged in seawater—the modern-day seagrasses. This sea invasion by land plants happened four separate times,...
The International Union for the Conservation of Nature ( IUCN ) maintains the Red List of Threatened Species , an inventory of the global conservation status of plants and animals. In a 2010 study ,...
In 1989, the Exxon Valdez oil tanker ran aground in Alaska’s Prince William Sound, spilling 11 million gallons of crude oil into the water and onto the beaches of the remote ecosystem. Richard Carson...
Mangroves thrive in hot, muddy, salty conditions that would kill most plants. But even these tough trees are threatened by human development. This lone mangrove shoot in South Bimini, Bahamas stands...
Watch a recorded webcast about the latest efforts in Greece to study and save the critically endangered Mediterranean monk seal. Centuries of human exploitation and habitat destruction have caused...
For more than two centuries, Boston Harbor has been a dumping ground. In 1773, colonists famously dumped shiploads of tea to protest taxes. But in recent decades, the harbor has received less tea and...
Endangered Pacific leatherback sea turtles now have nearly 42,000 square miles of Pacific Ocean to call their own. Thanks to a decision in January 2012 by the National Marine Fisheries Service, these...
This colorful coral lives in Australia's Great Barrier Reef. On the whole, this coral reef is the largest single structure built by living organisms and can be seen from space! Although more than one...
Algae has overtaken this coral reef off heavily populated Kiritimati, or Christmas Island. Few fish swim in the murky waters. The causes include pollution, overfishing, and increased water...
It’s hard not to identify with penguins as they waddle about upright on land, clad in their tuxedo-like plumage. In their crowded breeding colonies, they squabble with and show off to their neighbors...
The Oculina deep-sea coral reef at top has not been disturbed by humans—but trawling has devastated the one at bottom. When fishermen trawl, they drag a net along the seafloor, destroying everything...
The ocean is not as natural as it once was. Where there used to be large predators that we took for sea monsters, now there are tiny fish and jellyfish. But there are a few untouched places left in...
This coral reef in the Western Pacific Ocean was killed by human input of silt and sand from nearby islands reaching the coral reef habitat. More about coral reef ecosystems can be found in our Coral...
Phoenix’s mother, Stumpy (#1004), was killed in a collision with a ship near Virginia in February 2004. She was pregnant with her sixth known calf. More about whales can be found in our Tale of a...
What is blue carbon? It's a term used to describe the carbon that is captured from the atmosphere by ocean ecosystems, mainly coastal mangroves, seagrasses and salt marshes. These coastal areas can...
In the past 30 years, the Great Barrier Reef -- Australia's iconic natural wonder -- has lost half of its coral to a combination of forces. Dr. Nancy Knowlton, Sant Chair of Marine Science at the...
This mangrove island in the Pelican Cays, Belize, was clear-cut and filled with dredged sand and coral from the adjacent reef flat. Developers are clearing and dredging mangroves in an attempt to...
While the Ross Sea is perhaps the most pristine place left in the world’s ocean, the human footprint is fast changing this last place. Even as the effects of climate change are redefining the very...
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