The Decline of the Ozark Hellbender ( Cryptobranchus alleganiensis bishopi ) in the Spring River, Arkansas, USA.

摘要

Between August 2003 and December 2004 we completed a survey for Ozark Hellbenders (Cryptobranchusalleganiensis bishopi) in the Spring River (Fulton and Sharp counties, Arkansas, USA), beginning at Mammoth Springand continuing downstream 27 km to the Arkan