Detectability of migrating raptors and its effect on bias and precision of trend estimates
Annual counts of migrating raptors at fixed observation points are a widespread practice, and changes in numbers counted over time, adjusted for survey effort, are commonly used as indices of trends in population size. Unmodeled year-to-year variation in detectability may introduce bias, reduce pre...
Main Authors: | , , , , |
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Format: | Article |
Language: | English |
Published: |
Resilience Alliance
2016-12-01
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Series: | Avian Conservation and Ecology |
Subjects: | |
Online Access: | http://www.ace-eco.org/vol11/iss2/art9/ |