News tagged with population decline

Pacific sharks disappearing into soup, study says

Pacific stocks of the oceanic whitetip shark, a favourite of fin soup enthusiasts, sank by as much as 17 percent a year between 1995 and 2010 despite catch and finning limits, a study said Wednesday.

Nov 01, 2012
4.3 / 5 (3) 1

Great apes, small numbers

Sumatran orangutans have undergone a substantial recent population decline, according to a new genetic study, but the same research revealed the existence of critical corridors for dispersal migrations that, ...

Oct 16, 2012
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Cathay bans shark fin from cargo flights

Cathay Pacific said Wednesday it would no longer carry unsustainably sourced shark products on its cargo flights, dealing a blow to Hong Kong's huge shark fin industry.

Sep 05, 2012
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Civil war endangers Myanmar's ailing tigers

Efforts to stop Myanmar's tigers being hunted to extinction are under threat from a civil war raging in a region home to the world's biggest sanctuary for the endangered cats, experts warn.

Jun 22, 2012
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From yeast, researchers learn how populations collapse

In the early 1990s, overfishing led to the collapse of one of the most bountiful cod fisheries in the world, off the coast of Newfoundland. Twenty years later, the cod population still has not recovered, dramatically ...

Jun 01, 2012
4.4 / 5 (7) 21 | with audio podcast

Is bioenergy expansion harmful to wildlife?

Despite the predicted environmental benefits of biofuels, converting land to grow bioenergy crops may harm native wildlife. Researchers at the Helmholtz Centre for Environmental Research in Leipzig have developed a way to ...

Apr 03, 2012
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An early spring drives butterfly population declines

Early snow melt in the Colorado Rocky Mountains initiates two chains of events resulting in population decline in the mormon fritillary butterfly, Speyeria mormonia. One effect of snow melt date was readily detectable, but th ...

Mar 15, 2012
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