Using an individual-based model to assess common biases in lek-based count data to estimate population trajectories of lesser prairie-chickens

Beth E Ross, Daniel S Sullins and David A Haukos

PLOS ONE, 2019, vol. 14, issue 5, 1-17

Abstract: Researchers and managers are often interested in monitoring the underlying state of a population (e.g., abundance), yet error in the observation process might mask underlying changes due to imperfect detection and availability for sampling. Additional heterogeneity can be introduced into a monitoring program when male-based surveys are used as an index for the total population. Often, male-based surveys are used for avian species, as males are conspicuous and more easily monitored than females. To determine if male-based lek surveys capture changes or trends in population abundance based on female survival and reproduction, we developed a virtual ecologist approach using the lesser prairie-chicken (Tympanuchus pallidicinctus) as an example. Our approach used an individual-based model to simulate lek counts based on female vital rate data, included models where detection and lek attendance probabilities were

Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0217172

DOI: 10.1371/journal.pone.0217172

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