Habitat Destruction

Habitat destruction can come in many forms: trawling the ocean floor with large nets can cripple deep sea habitats, while boating and other recreational activities can harm coral reef habitats.

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Two Views of Coral Reefs: Thriving and Threatened

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 vulnerable to...
Mangroves abut blue ocean waters.

Mangroves: One Species at a Time

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 episode of the Podcast...

The Last Wild Places In the Ocean Webcast

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...
A newly hatched leatherback turtle moves in the sand.

Habitat for Leatherback Turtles

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 magnificent reptiles...

Gulf Oil Spill

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...

The Great Barrier Reef – Going, Going, Gone???

Video of Storms, Starfish Wiped out Half of Great Barrier Reef Coral Dr. Nancy Knowlton, Sant Chair of Marine Science and Editor-in-Chief of the Ocean Portal, went on PBS NewsHour to talk about Great...

Where did Half of the Great Barrier Reef's Coral Go?

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...

40 Years of National Marine Sanctuaries

The National Marine Sanctuary system is a network of 13 marine protected areas managed by NOAA, in addition to the Papahānaumokuākea (Northwest Hawaiian Islands) Marine National Monument. Credit: NOAA, Office of National Marine Sanctuaries...

How Coastal Seagrass Feeds the Deep

Seagrasses are flowering plants that can form dense underwater meadows and are an important shallow water habitat. Credit: Heather Dine, Florida Keys National Marine Sanctuary It is a well-known fact that for animals living...

Seagrass and Seagrass Beds

Seagrasses are found in shallow salty and brackish waters in many parts of the world, from the tropics to the Arctic Circle. Seagrasses are so-named because most species have long green, grass-like leaves. They...

Field Notes from the East African Coast

Traditional fishing techniques now involve monofilament nets, with snorkelers diving down to ensure the bigger fish don't get away. Credit: Caine Delacy We began this journey three months ago, a team of scientists and...

Naturally Resilient

Coral Reefs Can Recover From Disasters. How Can We Save Them From Us? by Michael Webster, Coral Reef Alliance In 1946, the US military tested nuclear bombs on a coral reef in the Pacific,...

A Trip South to Antarctica’s Ross Sea

The Ross Sea, a 1.9 million square mile (3.6 million square km) stretch of ocean off the coast of Antarctica, has been nicknamed “ The Last Ocean .” And it’s not just a ploy...
Sunset over Boston Harbor

Signs of a Recovering Harbor

A sunset over Boston Harbor. Credit: Chesser1023 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,...

How Hurricanes Shape Wetlands in Southern Louisiana

The grasses and animals living in marshes help to filter water and stabilize shorelines, along with providing habitat for a variety of mammals, fish, shellfish and amphibians and a haven for migratory waterfowl. Credit:...

Diving into the Sandstorm

A dredge from the U.S. Army Corps of Engineers can be seen removing a sandbar off of Virginia Beach, VA. Credit: U.S. Army Corps of Engineers, Flickr Diving can be a wild ride that...

Five Questions for Richard Carson, Natural Resource Economist

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...

Penguin Health Equals Ocean Health

Magellanic penguin parents typically lay two eggs under a bush or in a burrow, taking turns swimming out to sea to catch food for their chicks. Credit: Dietmar Temps ( Flickr ) It’s hard...

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