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Posted Thu Apr 7 2011: from PhysOrg:
Scientists have new measure for species threat http://apocadocs.com/s.pl?1302181542
The index, developed by a team of Australian researchers from the University of Adelaide and James Cook University, is called SAFE (Species Ability to Forestall Extinction). The SAFE index builds on previous studies into the minimum population sizes needed by species to survive in the wild. It measures how close species are to their minimum viable population size.... "The idea is fairly simple - it's the distance a population is (in terms of abundance) from its minimum viable population size. While we provide a formula for working this out, it's more than just a formula - we've shown that SAFE is the best predictor yet of the vulnerability of mammal species to extinction."... Of the 95 mammal species considered in the team's analysis, more than one in five are close to extinction, and more than half of them are at 'tipping points' that could take their populations to the point of no return. "For example, our studies show that practitioners of conservation triage may want to prioritise resources on the Sumatran rhinoceros instead of the Javan rhinoceros. Both species are Critically Endangered, but the Sumatran rhino is more likely to be brought back from the brink of extinction based on its SAFE index," Professor Bradshaw says.
[Read more stories about: tipping point, sixth extinction, species restoration, hunting to extinction]

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'Doc Jim says:
Species triage via SAFE? It makes me Unnaturally Nauseated, Sorrowful, And Freakin' Ecoplectic!

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