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Temporal and spatial changes in Myotis lucifugus acoustic activity before and after white-nose syndrome on Fort Drum Army Installation, New York, USA

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dc.contributor.authorNocera, Tomasen
dc.contributor.authorFord, W. Marken
dc.contributor.authorDobony, Christopher A.en
dc.contributor.authorSilvis, Alexanderen
dc.contributor.departmentFish and Wildlife Conservationen
dc.coverage.stateNew Yorken
dc.date.accessioned2021-02-25T15:29:56Zen
dc.date.available2021-02-25T15:29:56Zen
dc.date.issued2020-06en
dc.description.abstractChanges to hat distribution and habitat associations at the local to sub-landscape scale in the post white-nose syndrome (WNS) environment have received little attention to date despite being critical information for managers. To better understand the spatial nature of hat population declines, we modelled both activity patterns and occupancy from acoustic surveys for the Myotis lucifugus (little brown hat) on Fort Drum Military Installation in New York, USA over 15 summers (2003-2017) that span the pre-WNS, WNS-advent (2008) and post-WNS periods, using a set of generalized linear mixed models and geospatial analysis. Our best supported model indicated significant differences between years with significant declines in activity post-WNS. M. lucifugus activity was most closely associated with woody wetland habitats over the study period, however, the spatial patterns of high activity areas were variable over years, with the areal extent of these high activity areas decreasing post-WNS. Our best supported occupancy model varied by year. However, the null occupancy model [Psi(.)] was either competing (within 2 Delta AIC units) or was the best supported model. Meaning that none of our environmental variables seemed to impact occupancy, and when they did, these differences were not significant. There was high disagreement between our relative activity models and predictions compared to our occupancy models, suggesting that geographic spatial scale and the resolution of the data impacts model outcome. Our results indicate that continued acoustic monitoring of hat species in the Northeast to assess ongoing temporal and spatial changes in habitat associations and to provide direction for future mist-netting studies should rely more on relative activity as the metric of choice rather than site occupancy.en
dc.description.adminPublic domain – authored by a U.S. government employeeen
dc.description.notesThis work was supported by the U.S Army Corps of Engineers [W9126G-15-2-0005] through the Southern Appalachian Cooperative Ecosystems Study Unit Program. We thank C. Whitman for field assistance. Earlier drafts of this manuscript were reviewed by B. Carstensen. and K. Powers. The use of any trade, product or firm names does not imply endorsement by the U.S. government.en
dc.description.sponsorshipU.S Army Corps of EngineersUnited States Department of Defense [W9126G-15-2-0005]; Southern Appalachian Cooperative Ecosystems Study Unit Programen
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.3161/15081109ACC2020.22.1.011en
dc.identifier.eissn1733-5329en
dc.identifier.issn1508-1109en
dc.identifier.issue1en
dc.identifier.urihttp://hdl.handle.net/10919/102442en
dc.identifier.volume22en
dc.language.isoenen
dc.rightsPublic Domainen
dc.rights.urihttp://creativecommons.org/publicdomain/mark/1.0/en
dc.subjectacoustic monitoringen
dc.subjectGISen
dc.subjectMyotis luciliigusen
dc.subjectoccupancy modelen
dc.subjectrelative activityen
dc.subjectwhite-nose syndromeen
dc.titleTemporal and spatial changes in Myotis lucifugus acoustic activity before and after white-nose syndrome on Fort Drum Army Installation, New York, USAen
dc.title.serialActa Chiropterologicaen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
dc.type.dcmitypeStillImageen

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