From: Jeremy Hance, MONGABAY.COM, More from this Affiliate
Published March 22, 2010 10:49 AM

High Arctic species plummeting across the board, others Arctic residents on the rise

Between 1970 and 2004 species populations in the high Arctic have declined by 26 percent, according to the first report by the Arctic Species Trend Index (ASTI). While this may be a natural cycle, scientists are concerned that environmental impacts such as climate change are worsening natural population fluctuations in the high Arctic. Declining species include lemmings, red knot, and caribou.


"Rapid changes to the Arctic's ecosystems will have consequences for the Arctic that will be felt globally. The Arctic is host to abundant and diverse wildlife populations, many of which migrate annually from all regions of the globe. This region acts as a critical component in the Earth's physical, chemical, and biological regulatory system," lead-author Louise McRae from the Zoological Society of London (ZSL) said in a press release.

Some migratory species are also on the decline, such as Arctic shorebirds. However, researchers are uncertain whether this is due to changes in the Arctic or to migration stops in the south.

"Migratory Arctic species such as brent goose, dunlin and turnstone are regular visitors to the UK’s shores. We need to sit up and take notice of what’s happening in other parts of the world if we want to continue to experience a diversity of wildlife on our own doorstep," Louise McRae adds.

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