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Happy International Mangrove Action Day! This occasion is a small but vibrant tradition that has been observed annually on July 26th for nearly a decade in countries around the globe, including the U.S., India,...
Arching mangrove roots like these help keep trunks upright in the soft...
Mangrove roots provide a support structure for filter-feeding organisms such as...
Over the past several decades, Florida’s coastal wetlands have been changing...

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This beautiful bromeliad, also called an air plant because it gets its nutrients and water from the air, is a flowering plant in the pineapple family. All of them are epiphytes, meaning they get their support from and grow on...
What is blue carbon? It's a term used to describe the carbon that is...
In Ecuador’s Galapagos Islands, brown pelicans ( Pelecanus occidentalis )...

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Mangroves are survivors. With their roots submerged in water, mangrove trees thrive in hot, muddy, salty conditions that...

The Ocean Blog

The invasive reed Phragmites australis can create new plants through seeds (shown here) or underground rhizomes. Scientists at the Smithsonian Environmental Research Center have discovered that seeds...
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...
In summer 2009, in the heart of New Orleans, a 600-foot tanker collided with a 200-foot fuel barge, tearing the barge in half. Several hundred thousand gallons of oil leaked out of the barge and into...
At the Smithsonian Tropical Research Institute in Panama, Dr. Wayne Sousa (right) studies how gaps in the canopy caused by lightning help mangrove forests regenerate. More about mangroves can be...
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...
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...
Smithsonian Marine Science Network Postdoctoral Fellow, Seabird McKeon, returns from the Smithsonian field site in Belize. Together with Dan Barshis of Stanford University, Seabird reports on the...
These Smithsonian field stations enable scientists worldwide to conduct long-term studies on mangrove ecosystems from a range of latitudes. More about mangroves can be found in our Mangroves featured...
Dip your head below the water's surface in a mangrove forest and an entirely new ecosystem is revealed. The twisting mangrove roots, which appear to float unrooted in the water, support a great...
Mangrove roots provide a support structure for filter-feeding organisms such as mussels, oysters, and barnacles. More about mangroves can be found in our Mangroves featured story .
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...
Dennis Whigham , a senior botanist at the Smithsonian Environmental Research Center , makes his quick pitch for why you should care about the wetland plant Phragmites australis . A European strain of...
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...
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...
Here’s a view of mangrove roots above the water. The roots extend far below the water’s surface, anchoring the forest to the sea and providing a tangled habitat for a variety of marine organisms...
Dr. Feller at White Pond on the island of Twin Cays, Belize. More about mangroves can be found in our Mangroves featured story .
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...
Thalassinidean shrimp ( Thalassinidea ) build complex burrows deep in the mud. More about mangroves ecosystem can be found in our Mangroves featured story .
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