| An Adaptive-Management Framework for Optimal Control of Hiking Near Golden Eagle Nests in Denali National Park. | |
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MedLine Citation:
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PMID: 21342265 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Unintended effects of recreational activities in protected areas are of growing concern. We used an adaptive-management framework to develop guidelines for optimally managing hiking activities to maintain desired levels of territory occupancy and reproductive success of Golden Eagles (Aquila chrysaetos) in Denali National Park (Alaska, U.S.A.). The management decision was to restrict human access (hikers) to particular nesting territories to reduce disturbance. The management objective was to minimize restrictions on hikers while maintaining reproductive performance of eagles above some specified level. We based our decision analysis on predictive models of site occupancy of eagles developed using a combination of expert opinion and data collected from 93 eagle territories over 20 years. The best predictive model showed that restricting human access to eagle territories had little effect on occupancy dynamics. However, when considering important sources of uncertainty in the models, including environmental stochasticity, imperfect detection of hares on which eagles prey, and model uncertainty, restricting access of territories to hikers improved eagle reproduction substantially. An adaptive management framework such as ours may help reduce uncertainty of the effects of hiking activities on Golden Eagles. |
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Authors:
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Julien Martin; Paul L Fackler; James D Nichols; Michael C Runge; Carol L McIntyre; Bruce L Lubow; Maggie C McCluskie; Joel A Schmutz |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-2-22 |
Journal Detail:
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Title: Conservation biology : the journal of the Society for Conservation Biology Volume: - ISSN: 1523-1739 ISO Abbreviation: - Publication Date: 2011 Feb |
Date Detail:
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Created Date: 2011-2-23 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9882301 Medline TA: Conserv Biol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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©2011 Society for Conservation Biology. |
Affiliation:
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Florida Cooperative Fish and Wildlife Research Unit, University of Florida, Gainesville, FL 32611-0485, U.S.A., julienm@ufl.edu Patuxent Wildlife Research Center, United States Geological Survey, 12100 Beech Forest Road, Laurel, MD 20708, U.S.A. Fish and Wildlife Research Institute, 100, 8th Avenue SE, St. Petersburg, FL 33701, U.S.A. Agricultural and Resource Economics, P.O. Box 8109, North Carolina State University, Raleigh, NC 27695-8109, U.S.A. National Park Service, 4175 Geist Road, Fairbanks, AK 99709, U.S.A. Natural Resource Ecology Laboratory, Colorado State University, Fort Collins, CO 80523, U.S.A. Alaska Science Center, United States Geological Survey, 4210 University Drive, Anchorage, AK 99508, U.S.A. |
Vernacular Title:
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Un Marco de Referencia de Manejo Adaptativo para el Control Óptimo del Excursionismo en el Parque Nacional Denali. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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