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Sierra Nevada Aquatic Research Laboratory

19 Mar, 10 PM - 20 Mar, 04 AM

This research is an investigation of nonnative fish introductions as a possible cause of decline in Yosemite toad (Bufo canorus) populations in the Sierra Nevada Mountains of California. Research will be conducted in a controlled setting to test (1) whether or not Brook trout (Salvelinus foninalis) actively consume B. canorus tadpoles and (2) if B. canorus tadpoles exhibit antipredator behavior as a result of released predator chemical cues from S. fontinalis. Experiment 1. will consist of a series of feeding trial experiments to determine palatability of B. canorus tadpoles by S. fontinalis adults. Experiment 2 will consist of an aquatic array in series to test alarm response of B. canorus to S. fontinalis.

Visit #4929 @Sierra Nevada Aquatic Research Laboratory

Approved

Under Project # 3925 | Research

Effects of Brook trout on Yosemite toad tadpoles

graduate_student - California State University (CSU), Sacramento

Reservation Members(s)

Robert Grasso Mar 19 - 20, 2004 (2 days)

Robert Grasso Mar 19 - 20, 2004 (2 days)

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Day Use Only 2 Mar 19 - 20, 2004

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