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Duckweed on Lake Maracaibo
Duckweed on Lake Maraca...
Traces of duckweed stil...<i></i><a href="http://modis.gsfc.nasa.gov"></a><A href="http://aqua.nasa.gov/"></A><A href="http://aqua.nasa.gov/"></A>
Aqua- MODIS
 
Duckweed on Lake Maracaibo
Duckweed on Lake Maraca...
Traces of duckweed stil...<i></i><a href="http://modis.gsfc.nasa.gov"></a><A href="http://aqua.nasa.gov/"></A><A href="http://aqua.nasa.gov/"></A>
Aqua- MODIS
 
Flooding in Columbia and Venezeula
Flooding in Columbia an...
February is typically t...<a href="http://modis.gsfc.nasa.gov"></a><a href="http://terra.nasa.gov/"></a><A HREF="http://rapidfire.sci.gsfc.nasa.gov/"></A>
Terra- MODIS
 
Flooding in Columbia and Venezeula
Flooding in Columbia an...
February is typically t...<a href="http://modis.gsfc.nasa.gov"></a><a href="http://terra.nasa.gov/"></a><A HREF="http://rapidfire.sci.gsfc.nasa.gov/"></A>
Terra- MODIS
 
Flooding in Columbia and Venezeula
Flooding in Columbia an...
February is typically t...<a href="http://modis.gsfc.nasa.gov"></a><a href="http://terra.nasa.gov/"></a><A HREF="http://rapidfire.sci.gsfc.nasa.gov/"></A>
Terra- MODIS
 
International Space Sta...
2007-11-27 0:0:0
 
Description ISS015-E-07771 (12 May 2007) --- Isla Blanquilla, Venezuela is featured in this image photographed by an Expedition 15 crewmember on the International Space Station. The small island of Blanquilla is so named for its white sand beaches, visible in this image as a bright border along the northeastern -- eastern shoreline. Located approximately 292 kilometers (182 miles) northeast of Caracas, this Caribbean island is a popular destination for divers and tourists arriving by boat or airplane (the airstrip is visible at left center). Surface currents extending from the western coastline of the island (right center) are caused by easterly trade winds. According to scientists, this dominant wind has also caused movement of beach sand to form white "fingers" extending inland along the east coast (bottom center). The flora and fauna of Isla Blanquilla are an interesting mixture of arid (cacti, iguanas) and introduced species (wild donkeys and goats), but it is particularly notable for the presence of black coral. Black coral (order Antipatharia) is something of a misnomer, as it refers to the skeleton of the coral rather than the living organism (which is typically brightly colored). Black corals around the world are harvested for use in jewelry and other craftwork, so much so that the species has been listed for protection under the Convention on International Trade in Endangered Species of Wild Fauna and Flora. The island is the southernmost subaerial (above water) exposure of the Aves Ridge, a seafloor topography feature of the southernmost Caribbean ocean. The western third of the island is comprised of Cretaceous to Paleocene granitic rock (brown to tan), while the remainder consists of three limestone terraces of Pleistocene age deposited on the older granitic basement rock. The terraces decrease in age outwards from the western third of the island. The terraces record fluctuating sea levels, thought to be related to glacial advances and retreats during the Pleistocene together with tectonic uplift of the island.
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