News tagged with butterfly populations

European grassland butterflies in decline

More than half of Europe's main species of grassland butterflies are in sharp decline as a result of habitat loss, the European Environment Agency (EAA) warned on Tuesday.

Jul 23, 2013
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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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