News tagged with population decline

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 ...

dateApr 03, 2012 in Ecology
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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 ...

dateMar 15, 2012 in Ecology
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Law enforcement vital for great ape survival

Recent studies show that the populations of African great apes are rapidly decreasing. Many areas where apes occur are scarcely managed and weakly protected. Researchers from the Max Planck Institute for Evolutionary Anthropology ...

dateDec 08, 2011 in Ecology
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