2020
DOI: 10.3996/122019-naf-002
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Efficacy of Visual Surveys for Monitoring Populations of Talus-Roosting Bats

Abstract: Winter cave and mine surveys have been the primary method to monitor status of bat populations but they are not equally effective across regions or species. Many species of bats that roost in rock outcrops during the non-hibernation period are difficult to monitor with existing methods. Visual surveys for bats roosting on talus slopes has been proposed as a means to monitor populations, but efficacy of the method is unknown. We used standardized plot-based visual surveys to quantify presence and abundance of e… Show more

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Cited by 3 publications
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“…Talus slopes and their artificial counterparts also facilitate frequent movements because they contain such high densities of potential roosts. Moosman et al (2020) recorded average surface densities of 6,268 ± 257 crevices per ha at talus sites in Virginia.…”
Section: Discussionmentioning
confidence: 99%
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“…Talus slopes and their artificial counterparts also facilitate frequent movements because they contain such high densities of potential roosts. Moosman et al (2020) recorded average surface densities of 6,268 ± 257 crevices per ha at talus sites in Virginia.…”
Section: Discussionmentioning
confidence: 99%
“…After assessing results of this portion of the study, we tracked bats daily over the life of each transmitter at Surry, Sherando, and Gathright between 2010 and 2012. From 2013 to 2018 we located roosts either using radiotelemetry or with randomized visual searches that were part of population monitoring efforts (see detailed methods in Moosman et al 2020 ). We also included data from bats encountered incidentally while moving between random plots.…”
Section: Methodsmentioning
confidence: 99%
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