31 Aug '11, 7pm

The Heroic Wolf: are wolves the key to saving the Canada lynx? via @mongabay #IYF2011

The Heroic Wolf: are wolves the key to saving the Canada lynx? via @mongabay #IYF2011

Decline in top predators and megafauna 'humankind’s most pervasive influence on nature' (07/14/2011) Worldwide wolf populations have dropped around 99 percent from historic populations. Lion populations have fallen from 450,000 to 20,000 in 50 years. Three subspecies of tiger went extinct in the 20th Century. Overfishing and finning has cut some shark populations down by 90 percent in just a few decades. Though humpback whales have rebounded since whaling was banned, they are still far from historic numbers. While some humans have mourned such statistics as an aesthetic loss, scientists now say these declines have a far greater impact on humans than just the vanishing of iconic animals. The almost wholesale destruction of top predators—such as sharks, wolves, and big cats—has drastically altered the world's ecosystems, according to a new review study in Science . Although ...

Full article: http://news.mongabay.com/2011/0831-hance_wolf_lynx.html

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