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討論內容： How much is a First Class stamp? interested treasury 10mg propranolol purple Ecologist Luke Gibson of the National University of Singapore and colleagues revisited those islands plus four more in 2012 and 2013 to repeat the surveys, with some dramatic results. Six of 12 species present in the early 1990s, including the pencil-tailed tree mouse and the red spiny rat, have apparently disappeared. Five other species have declined dramatically. For example, the 1993 survey turned up 47 common tree shrews, but only one was found in 2013. "We documented the near-complete extinction of an entire group of animals," Gibson says.

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