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

Coral reefs are beautiful, vibrant ecosystems that house roughly one quarter of all marine species and provide billions of dollars in products and services to humans each year. But they are also...
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...
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...
A lemon shark pup swims through a shallow mangrove forest off the coast of Bimini Island in the Bahamas in this image captured by National Geographic photojournalist Brian Skerry. For nearly 30 years...
Australia’s Great Barrier Reef (or the GBR as it is known to reef aficionados) stretches for more than 2,300 kilometers (over 1,429 miles) and can be seen from outer space. This largest barrier reef...
Monk seals -- the only completely tropical species of seal in the world -- are in trouble. Centuries of human exploitation and habitat destruction have caused the remaining populations of...
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...
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...
We all know that hurricanes can have destructive effects on human communities and infrastructure—but what about their effects on coastal wetlands? Until Hurricane Katrina, no one had ever mapped...
In 1872, the United States did something remarkable. We set aside one of our greatest natural treasures, Yellowstone National Park , for future generations to enjoy and appreciate. The logic was...
The Gulf oil spill is recognized as the worst oil spill in U.S. history. Within days of the April 20, 2010 explosion and sinking of the Deepwater Horizon oil rig in the Gulf of Mexico that killed 11...
Blast fishing, when dynamite or other explosives are used to stun or kill fish, is a practice used in many villages and isolated regions of the world. Hundreds of fish can be seen strewn across the...
"Leatherback turtles are the oldest, deepest-diving and widest-ranging of all sea turtles, with a lineage that dates back over 100 million years. We can only imagine all that this species has seen...
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...
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 ,...
Diving can be a wild ride that evokes more than a little trepidation, especially in the Pacific Ocean's famously big, cold waves. Waves that are otherwise fun for my weekend surfing can turn a...
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,...
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