The Orinoco River flows from the Andes in Colombia to the Atlantic in Venezuela. The area of the basin includes landscapes of the Andes, plains of the Llanos and the Guiana shield. Orinoco's tributary rivers form a basin ...
Ecology
Mar 12, 2013
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Dining on field grasses would be ruinous to human teeth, but mammals such as horses, rhinos and gazelles evolved long, strong teeth that are up to the task.
Archaeology
Mar 4, 2013
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(Phys.org)—The dwindling reserves of fuelwood in Africa have been illuminated in a new study published today, which shows a bleak outlook for supplies across savannas in South Africa.
Environment
Jan 17, 2013
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A recent report says illegal hunting of wildlife in South African Development Community (SADC) states can lead to the eradication of many species across extensive areas and even complete ecological collapse.
Ecology
Oct 25, 2012
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A herd of elephants hobbles past a cluster of acacia trees to a water-hole deep in Zimbabwe's vast Hwange game reserve, attracted by the drone of generators pumping water round the clock into the pool.
Ecology
Oct 23, 2012
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The Earth's grasslands and savannas are experiencing a major transformation as woody plants, such as trees and shrubs, have begun to dominate arid lands around the globe. While ecologists document this dramatic change in ...
Environment
Jun 22, 2012
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In the face of mass deforestation of the Amazon, we could learn from its earliest inhabitants who managed their farmland sustainably. Research from an international team of archaeologists and paleoecologists, published today ...
Environment
Apr 9, 2012
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Elephants and maybe rhinoceroses could be introduced to Australia to chomp on an invasive African grass that also causes wildfires, according to an idea reported in a scientific journal on Wednesday.
Ecology
Feb 1, 2012
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National parks often are established to help preserve species native to a particular region, but it appears that some species preservation is more successful if a significant portion of land adjacent to a park also is left ...
Ecology
Jan 30, 2012
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The Andes-Amazon basin of Peru and Bolivia is one of the most biologically rich and rapidly changing areas of the world. A new study published in BioMed Central's open access journal BMC Ecology has used information collected ...
Ecology
Jan 27, 2012
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