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This week at the Smithsonian Ocean Portal we embark on an experiment we're calling "Make Me Care." The concept is simple: we ask a renowned expert to tell us why we should care about...
What is blue carbon? It's a term used to describe the carbon that is captured...
Photographer Brian Skerry hikes through a mangrove in Bimini (The Bahamas) to...
Mangroves thrive in hot, muddy, salty conditions that would kill most plants...

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An American crocodile ( Crocodylus acutus ) resting on a bed of seagrass . These medium-sized crocodiles are most commonly found in mangrove -lined estuaries and saltwater lagoons between the southern coast of the United States...
At Carrie Bow Cay in Belize , Dr. Candy Feller explains her research on the...
The lettuce sea slug ( Elysia crispata ) has enlarged fleshy appendages that...

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Mangroves are survivors. With their roots submerged in water, mangrove trees thrive in hot, muddy, salty conditions that...
Mangroves canopies support an amazing array of life—including this mangrove yellow warbler ( Dendroica petechia bryanti ), the most common songbird in the mangroves of the Caribbean’s Mangal Cay...
Both humans and sea lions get sick from eating fish and shellfish that have been feeding on harmful toxic algae. Studying the sick sea lions brings scientists closer to understanding and preventing...
The sun sets over marshland near Ocean City, N.J.
The Smithsonian’s Carrie Bow Cay Marine Field Station supports research projects of marine scientists year-round. It offers ready access to thousands of small mangrove islands as well as countless...
This shrimp farm in southern Belize is just one example of how mangroves worldwide are giving way to human development. In just the last decade, at least 35 percent of the world's mangroves have been...
Fringing mangroves in the Pelican Cays, Belize, were killed by dredge material that overflowed and smothered the aerial roots of trees along the shoreline. More about mangroves can be found in our...
Newly established black mangrove ( Avicennia germinans ) in a field of salt marsh ( Spartina alterniflora and Batis maritima ) in the Guana Tolomato Matanzas National Estuarine Research Reserve in...
Rivulus fish live in bodies of water that sometimes become contaminated with hydrogen sulfide—an extremely toxic compound that smells like rotten eggs. When this happens, the adaptable fish wiggle...
The Sundarbans site in Bangladesh was inscribed on the World Heritage List in 1997. The site’s mangrove forest is one of the largest remaining areas of mangroves in the world and supports a rich...
Marc Frischer, a microbial ecologist at the Skidaway Institute of Oceanography , collects bacteria at the Smithsonian Institution’s field station in Belize. Smithsonian scientists and colleagues from...
The Deepwater Horizon oil spill brought the world’s attention to the Gulf of Mexico and raised awareness of the region’s chronic loss of wetlands and the massive dead zone caused by excess nutrients...
West Indian Manatees, Trichechus manatus , are found in warm, shallow coastal ecosystems along the southeastern North America and northeastern South America. They graze plants in mangrove ecosystems...
At Carrie Bow Cay in Belize , Dr. Candy Feller explains her research on the effect of excess nutrients on mangrove swamps. Feller runs the Animal-Plant Interaction Lab at the Smithsonian...
How do plants respond to rising CO2 levels? To find out, plant physiologist Bert Drake at SERC exposed marsh plants near the Chesapeake Bay to CO2 levels expected in 50 and 100 years. Different...
Photographer Brian Skerry hikes through a mangrove in Bimini (The Bahamas) to scout locations to photograph baby sharks. Learn more about Brian's life in the field .
Mangrove is the name for a tree—and also for a complex ecosystem—that bridges land and sea. There are around 70 species of mangrove trees (meaning trees that grow in a saline salt), but they are not...
This slug caterpillar ( Acharia horrida ), which will eventually metamorphosize into a very plain brown moth, has stinging spines that are very nasty to rub up against. Although the slug caterpillar...
A manatee swimming in shallow waters. The West Indian manatee is listed on the IUCN's Red List of Threatened Species as Vulnerable. More about mangroves can be found in our Mangroves featured story .
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