Hierarchical abundance modeling to inform oak savanna restoration within the Anoka Sand Plain of Minnesota
2019-02
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Hierarchical abundance modeling to inform oak savanna restoration within the Anoka Sand Plain of Minnesota
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2019-02
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Sand Dunes State Forest in Minnesota’s Anoka Sand Plan contains high quality remnants of oak savanna, a habitat that is imperiled across its entire range. To inform local restoration and management, we used hierarchical abundance models to describe relationships between habitat characteristics and rare wildlife species that utilize oak savanna. We found that predicted abundance and occupancy probability of Lark sparrow (Chondestes grammacus), Eastern towhee (Pipilo erythrophthalmus), Leonard’s skipper (Hesperia leonardus leonardus), and northern barrens tiger beetle (Cicindela patruela patruela) were affected by habitat features and management disturbance. It was noteworthy that some variables (e.g. canopy closure, recent disturbance) had disparate effects between species. These results highlight the importance of careful planning when undertaking habitat restoration. Plans should consider the habitat needs of individual species and their respective expected responses to active habitat management to achieve balance between maintenance of local populations and habitat restoration on a landscape scale.
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University of Minnesota M.S. thesis. February 2019. Major: Natural Resources Science and Management. Advisor: Todd Arnold. 1 computer file (PDF); vii, 44 pages.
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Edwards, Margaret. (2019). Hierarchical abundance modeling to inform oak savanna restoration within the Anoka Sand Plain of Minnesota. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/202411.
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