23 May '11, 3am

Hopes up for species survival #Puertorican parrot

Hopes up for species survival #Puertorican parrot

Two recent researches find that species extinction, while still very real, may not be as bad as it's been thought, calculated, and reported to be. A report in the May 19th issue of Nature says that calculations used for determining extinction rates have been flawed, resulting in overestimation that can be greater than 160 percent, while a report in Trends in Ecology and Evolution gives the good news that species that were considered too rare to save, such as the Siberian Tiger, could be saved as long as conservation efforts can target key threats. Wrong species-area relationship This indirect method for estimating extinction rates considers the number of species found in a given area and then estimates how the number of species grows as the area expands. Then the calculation is reversed to estimate the loss of species due to habitat loss . Stephen Hubbell, a distinguished ...

Full article: http://www.earthtimes.org/nature/hopes-species-survival/886/

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