The American Crocodile in Biscayne Bay,Florida |
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| Authors: | Michael S Cherkiss Stephanie S Romañach Frank J Mazzotti |
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| Institution: | (1) Fort Lauderdale Research and Education Center, University of Florida, 3205 College Ave., Davie, FL 33314, USA;(2) U.S. Geological Survey, 3205 College Ave., Davie, FL 33314, USA |
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| Abstract: | Intensive crocodile monitoring programs conducted during the late 1970s and early 1980s in southern Florida resulted in an
optimistic outlook for recovery of the protected species population. However, some areas with suitable crocodile habitat were
not investigated, such as Biscayne Bay and the mainland shorelines of Barnes and Card Sounds. The objective of our study was
to determine status and habitat use of crocodiles in the aforementioned areas. Spotlight and nesting surveys were conducted
from September 1996 to December 2005. The results revealed annual increases in the number of crocodiles. Crocodiles preferred
protected habitats such as canals and ponds. Fewer crocodiles were observed in higher salinity water. The distribution and
abundance of crocodilians in estuaries is directly dependent on timing, amount, and location of freshwater delivery, providing
an opportunity to integrate habitat enhancement with ongoing ecosystem restoration and management activities. |
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