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Effects Of Natural Flooding And Manual Trapping On The Facilitation Of Invasive Crayfish-Native Amphibian Coexistence In A Semi-Arid Perennial Stream, Lee Kats, Gary Bucciarelli, Thomas Vandergon, Rodney Honeycutt, Evan Mattiasen, Arthur Sanders, Seth Riley, Jacob Kerby, Robert Fisher
Effects Of Natural Flooding And Manual Trapping On The Facilitation Of Invasive Crayfish-Native Amphibian Coexistence In A Semi-Arid Perennial Stream, Lee Kats, Gary Bucciarelli, Thomas Vandergon, Rodney Honeycutt, Evan Mattiasen, Arthur Sanders, Seth Riley, Jacob Kerby, Robert Fisher
Lee Kats
Aquatic amphibians are known to be vulnerable to a myriad of invasive predators. Invasive crayfish are thought to have eliminated native populations of amphibians in some streams in the semi-arid Santa Monica Mountains of southern California. Despite their toxic skin secretions that defend them from native predators, newts are vulnerable to crayfish attacks, and crayfish have been observed attacking adult newts, and eating newt egg masses and larvae. For 15 years, we have observed invasive crayfish and native California newts coexisting in one stream in the Santa Monica Mountains. During that period, we monitored the densities of both crayfish and …