Cross-scale occupancy dynamics of a postfire specialist in response to variation across a fire regime

The Journal of Animal Ecology
Morgan W TingleyRodney B Siegel

Abstract

Fire creates challenges and opportunities for wildlife through rapid destruction, modification and creation of habitat. Fire has spatially variable effects on landscapes; however, for species that benefit from the ephemeral resource patches created by fire, it is critical to understand characteristics of fires that promote postfire colonization and persistence and the spatial scales on which they operate. Using a model postfire specialist, the black-backed woodpecker (Picoides arcticus), we examined how colonization and persistence varied across two spatial scales as a function of four characteristics of fire regimes-fire severity, fire size, fire ignition date and number of years since fire. We modelled black-backed woodpecker colonization and persistence using data from 108 recently burned forests in the Sierra Nevada and southern Cascades ecoregions of California, USA, that we monitored for up to 10 years following fire. We employed a novel, spatially hierarchical, dynamic occupancy framework which differentiates colonization and persistence at two spatial scales: across fires and within fires. We found strong effects of fire characteristics on dynamic rates, with colonization and persistence declining across both spatial sc...Continue Reading

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Oct 7, 2016·Proceedings. Biological Sciences·Morgan W TingleyRodney B Siegel
Mar 25, 2017·Science·L T Kelly, L Brotons
May 22, 2018·The Journal of Animal Ecology·Morgan W TingleyRodney B Siegel

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Citations

Dec 20, 2018·Biological Reviews of the Cambridge Philosophical Society·Dale G NimmoAndrew F Bennett
Oct 17, 2020·Molecular Ecology·Chad M MartelAndrew P Kinziger
Feb 28, 2021·The Journal of Animal Ecology·Andrew N StillmanMorgan W Tingley
May 22, 2018·The Journal of Animal Ecology·Morgan W TingleyRodney B Siegel

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