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2012-04-13. NSF Press Release 12-071: Scientists Determined First-ever Census for Emperor Penguins.

posted Apr 18, 2012, 9:17 AM by Fiona Potter
|  An article pertinent to GSS Climate Change chapter 9 and Ecosystem Change chapter 4.  Excerpt:  A new study using satellite mapping technology reveals there are twice as many emperor penguins in Antarctica than previously thought.
The results provide an important benchmark for monitoring the impact of environmental change on the population of this iconic bird, which breeds in remote areas that are very difficult to study because they often are inaccessible with temperatures as low as -58 degrees Fahrenheit.
Reporting this week in the journal PLoS ONE, an international team of scientists describe how they used Very High Resolution satellite images to estimate the number of penguins at each colony around the coastline of Antarctica….  Read more at http://www.nsf.gov/news/news_summ.jsp?cntn_id=123854&org=NSF&from=news