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

Orange roughy ( Hoplostethus atlanticus ) is a deep ocean fish that grows and matures at a sluggish rate compared to most shallow water fish. They don't reproduce until they are at least 20 years old...
Human activity is increasing in the Arctic marine environment due to climate change. To help the most vulnerable areas, the Global Marine Program of IUCN , along with partners, convened a series of...
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...
The Brazilian Atlantic Islands site was inscribed on the World Heritage List in 2001. The rich waters of the Fernando de Noronha Archipelago and Rocas Atoll are extremely important for the breeding...
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 ,...
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...
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...
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...
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...
Sarah Gotheil, from IUCN Global Marine Programme , snapped this photo in the course of her research into fragile species and ecosystems. A new project led by IUCN will unveil the mysteries of...
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...
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...
Coral reefs are some of the most endangered ecosystems on the planet that are home to beautiful wildlife and provide food to many people living on the coast. So how do you protect the reefs without...
Compare the healthy coral on the left with the bleached coral on the right. Increased water temperatures caused the bleached coral to lose the microscopic algae that give the coral color and provide...
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...
Bikini Atoll, formed over millions of years around an island in the Pacific Ocean about halfway between Papua New Guinea and Hawaii, has been subjected to horrific human-caused disturbances. Between...
Follow researchers Candy Feller and Dennis Whigham from the Smithsonian Environmental Research Center as they scramble, climb, crawl, and creep through the tangled roots of a mangrove forest. In this...
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...
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