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Home to hundreds of species of aquatic and land animals as well as some half a million migratory birds, China's Poyang Lake, the largest freshwater body in the country, has dropped to 9.5 meters, which is 4 meters lower than any other point in history.
http://www.chinadaily.com.cn/china/2011-04/26/content_12393009.htm
http://news.xinhuanet.com/english2010/china/2011-04/26/c_13845614.htm


UK scientists introduce large tortoises from a neighboring island to the small Mauritian isle and nature reserve,Ile aux Aigrettes, in hopes of restoring balanced ecosystem after previous tortoise extinctions caused a loss of ebony trees and other wildlife. http://www.bbc.co.uk/blogs/thereporters/richardblack/2011/04/giant_tortoise_salvation.html
http://www.iucnredlist.org/apps/redlist/details/30539/0