Observer bias and the detection of low-density populations.


Monitoring programs increasingly are used to document the spread of invasive species in the hope of detecting and eradicating low-density infestations before they become established. However, interobserver variation in the detection and correct identification of low-density populations of invasive species remains largely unexplored. In this study, we… (More)


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@article{Fitzpatrick2009ObserverBA, title={Observer bias and the detection of low-density populations.}, author={Matthew Fitzpatrick and Evan l. Preisser and Aaron M. Ellison and Joseph S. Elkinton}, journal={Ecological applications : a publication of the Ecological Society of America}, year={2009}, volume={19 7}, pages={1673-9} }