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Scientists complete first-ever emperor penguin count from space
Date:4/13/2012

"The methods we used are an enormous step forward in Antarctic ecology because we can conduct research safely and efficiently with little environmental impact, and determine estimates of an entire penguin population," said co-author Michelle LaRue from the University of Minnesota Polar Geospatial Center, which is funded by the U.S. National Science Foundation and is part of the university's College of Science and Engineering.

"The implications of this study are far-reaching," LaRue added. "We now have a cost-effective way to apply our methods to other poorly-understood species in the Antarctic, to strengthen on-going field research, and to provide accurate information for international conservation efforts."

BAS biologist Phil Trathan and co-author of the study noted the impact this research could have on the changing environment.

"Current research suggests that emperor penguin colonies will be seriously affected by climate change," Trathan said. "An accurate continent-wide census that can be easily repeated on a regular basis will help us monitor more accurately the impacts of future change on this iconic species."

Scientists are concerned that in some regions of Antarctica, earlier spring warming is leading to loss of sea ice habitat for emperor penguins, making their northerly colonies more vulnerable to further climate change.

"Whilst current research leads us to expect important declines in the number of emperor penguins over the next century, the effects of warming around Antarctica are regional and uneven," Trathan said. "In the future we anticipate that the more southerly colonies should remain, making these important sites for further research and protection."


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Contact: Matt Hodson
mjhodson@umn.edu
612-625-0552
University of Minnesota
Source:Eurekalert

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