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This is a close-up view of the peat soil surface in an intact mangrove forest. Mangrove roots help to build the peat underlying mangrove islands Over thousands of years, the organic deposits grow to...
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Happy International Mangrove Action Day! This occasion is a small but vibrant...
Arching mangrove roots like these help keep trunks upright in the soft...
Mangrove roots provide support for filter-feeders like sponges, mussels,...

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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 Environmental Research Center. See a photo...
The lettuce sea slug ( Elysia crispata ) has enlarged fleshy appendages that...
West Indian Manatees, Trichechus manatus , are found in warm, shallow...

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Mangroves are survivors. With their roots submerged in water, mangrove trees thrive in hot, muddy, salty conditions that...
Dr. Candy Feller is framed by the roots of a mangrove tree on Panama’s Pacific coast. Mangrove trees grow particularly large in this area. More about mangroves can be found in our Mangroves featured...
The sargassum is coated with encrusting organisms, such as bryozoans and hydroids, that use it as a perch to filter feed in the oceanic waters, as well as crustaceans such as thos swimming crab...
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...
In Fort Pierce, Florida, researchers at the Smithsonian Marine Station focus on mangroves and other marine ecosystems of Florida. More about mangroves can be found in our Mangroves featured story .
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 his or her...
On April 27, 1986, an estimated 50,000 barrels of medium-weight crude oil drained from a ruptured storage tank at a refinery in Panama, polluting the coast and the Smithsonian Tropical Research...
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...
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 .
More than 40 years after the 1969 oil spill in Massachusetts’ Wild Harbor salt marsh, environmental chemist Dr. Chris Reddy from Woods Hole Oceanographic Institution finds that the oil is still...
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...
In coastal towns and cities, vast areas now inhabited by super markets, houses, roads, parking lots, hotels and schools were once occupied by mangrove forests . Growing out of the ocean and onto the...
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...
Flattened against a leaf, a tree frog blends right in with the mangroves. More about mangroves can be found in our Mangroves featured story.
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