American Institute of Biological Sciences

North American freshwater fishes race to extinction

North American freshwater fishes are going extinct at an alarming rate compared with other species, according to an article in the September issue of BioScience. The rate of extinctions increased noticeably after 1950, although ...

dateAug 10, 2012 in Ecology
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Researchers map fish species at risk from dams

Dams are believed to be one of the biggest threats to freshwater organisms worldwide: They disrupt normal patterns of water and sediment flow, impede migration, and alter the character of spawning and feeding grounds. A shortage ...

dateMay 10, 2012 in Ecology
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Oysters disappearing worldwide: study

A survey of oyster habitats around the world has found that the succulent mollusks are disappearing fast and 85 percent of their reefs have been lost due to disease and over-harvesting.

dateFeb 03, 2011 in Ecology
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Forest pests accumulating despite regulations

Nonindigenous insects and pathogens continue to become established in US forests with regularity despite regulations intended to prevent this, according to a study published in the December 2010 issue of BioScience. The ...

dateDec 06, 2010 in Ecology
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