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, althou ...

Aug 10, 2012 5 / 5 (1) 0

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 ...

May 10, 2012 not rated yet 0

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.

Feb 03, 2011 5 / 5 (3) 0

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 s ...

Dec 06, 2010 not rated yet 2

Concealed patterns beneath life's variety

Although the tropics appear to the casual observer to be busily buzzing and blooming with life's rich variety when compared with temperate and polar regions—a fact that scientists have thoroughly documented—the distribution ...

Jun 01, 2010 5 / 5 (2) 0

Eastern US forests resume decline

After increasing during much of the 20th century, forest cover in the eastern United States in recent decades has resumed its previous decline, according to an exhaustive new analysis published in the April 2010 issue of ...

Apr 07, 2010 4.2 / 5 (5) 1