Angela White, USDA Forest Service, PSW Elise Zipkin, USGS ...
Angela White, USDA Forest Service, PSW Elise Zipkin, USGS ...
Angela White, USDA Forest Service, PSW Elise Zipkin, USGS ...
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<strong>Angela</strong> <strong>White</strong>, <strong>USDA</strong> <strong>Forest</strong> <strong>Service</strong>, <strong>PSW</strong><strong>Elise</strong> <strong>Zipkin</strong>, <strong>USGS</strong> Patuxent Wildlife Research CenterPatricia Manley, <strong>USDA</strong> <strong>Forest</strong> <strong>Service</strong>, <strong>PSW</strong>
• Do nothing• Traditional fuel reductionprescription• Reducing ladder fuels andcanopy cover• Spatial heterogeneityprescription (GTR-220)• Emphasis onmaintaining/creatingstructural variability
• Experimental studies are often ambiguous• Treatments and starting conditions vary• Measuring short-term responses• Why use occupancy modeling?• Responses not limited to abundant species• Accounts for imperfect detection• Models habitat covariates directly
• Probability ofoccupancy• Requirements• Detection/nondetectiondata• Spatially andtemporally replicateddata• Point count datacollected from 742locations from 2002-2005
AirforagerBarkforagerBarkgleanerFoliageinvertivoreGroundinvertivoreSeedeater
• How does treatmentimpact species,communities andecosystem services• Does incorporatingspatial heterogeneity intreatments benefitbiodiversity?• How does urbanizationmediate wildliferesponse?
• Assess “biodiversity”needs• Embraceheterogeneity• Further need tounderstandmanagement impactson rarer species• Link between speciescomposition andecosystem services
• Collaborativeproject between<strong>USDA</strong> <strong>Forest</strong><strong>Service</strong> <strong>PSW</strong> &Spatial InformaticsGroup (SIG)
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