作者: Jason B. Dunham , Nathan D. Chelgren , Michael P. Heck , Steven M. Clark
DOI: 10.1080/02755947.2013.826758
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摘要: Abstract We evaluated the probability of detecting larval lampreys using different methods backpack electrofishing in wadeable streams U.S. Pacific Northwest. Our primary objective was to compare capture with standard settings for salmon and trout specifically adapted lampreys. Field work consisted removal sampling by means 19 sites representing a broad range conditions region. Captures at these were analyzed modified removal-sampling model Bayesian estimation measure relative odds lamprey-specific compared salmonid settings. found that 2.66 (95% credible interval, 0.87–78.18) times greater When estimates applied estimating probabilities detection, we high (...