12 Jun '11, 10pm

Estuaries, Northwest Coast of Madagascar [image] #NASA

Estuaries are regions where fresh water from rivers and salt water from the ocean mix, and they are among the most biologically productive ecosystems on Earth. This astronaut photograph, taken from the International Space Station, highlights two estuaries along the northwestern coastline of Madagascar. The Mozambique Channel separates the island from the southeastern coast of Africa. Bombetoka Bay (image upper left) is fed by the Betsiboka River, and is a frequent subject of astronaut photography due to its striking red floodplain sediments. Mahajamba Bay (image right) is fed by several rivers, including the Mahajamba and Sofia. Like the Betsiboka, the floodplains of these rivers contain reddish sediments eroded from their basins upstream. The brackish conditions (a mix of fresh and salt water) in most estuaries invite unique plant and animal species that are adapted to li...

Full article: http://earthobservatory.nasa.gov/IOTD/view.php?id=50958&s...

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NASA Earth Observato Estuaries, Northwest Coast...

earthobservatory.nasa.gov 12 Jun '11, 10pm

Estuaries are regions where fresh water from rivers and salt water from the ocean mix, and they are among the most biologi...

Estuaries, Northwest Coast of Madagascar: This ...

earthobservatory.nasa.gov 12 Jun '11, 10pm

Estuaries are regions where fresh water from rivers and salt water from the ocean mix, and they are among the most biologi...

615 Species Discovered in Madagascar: (via @Wor...

worldwildlife.org 17 Jun '11, 12pm

WWF works to establish protected areas and empower local communities to live in harmony with the wildlife that surrounds t...

Ash Plume from Puyehue-Cordón Caulle [image] #NASA

Ash Plume from Puyehue-Cordón Caulle [image] #NASA

earthobservatory.nasa.gov 13 Jun '11, 10pm

On June 4, 2011, Puyehue-Cordón Caulle in Chile experienced its first major eruption in decades. The volcano sent an ash p...

WWF - Madagascar - Species: via @world_wildlife

worldwildlife.org 17 Jun '11, 10am

WWF works to establish protected areas and empower local communities to live in harmony with the wildlife that surrounds t...

Tuna Battle off the Barbary Coast

Tuna Battle off the Barbary Coast

seashepherd.org 11 Jun '11, 6pm

Tuna Battle off the Barbary Coast (Video will be added later) Sea Shepherd Delta pursued by irate group of fishermen while...

Landslide Scars in Taiwan: Acquired December 17...

earthobservatory.nasa.gov 11 Jun '11, 10pm

Taiwan is a mountainous, seismically active island. In fact, mountains account for about one-third of Taiwan’s land area, ...

Aquarius Rising [image] #NASA

earthobservatory.nasa.gov 10 Jun '11, 10pm

In mythology and astrology, Aquarius is known as the water-bearer. For NASA, Aquarius is the space agency's first new Eart...