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Dettmers, Randy
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I work on conservation planning (biological foundation and landscape design) for birds of conservation concern, with a focus on landbirds, as well as designing and implementing monitoring programs to track population status of such species and evaluate the success of conservation actions for these species.
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Expertise Search
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Comparing Remote Sensing and Field-Based Approaches to Estimate Ladder Fuels and Predict Wildfire Burn Severity
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A comparative study on remote sensing and field-based approaches to estimate ladder fuel density. Can densities from different approaches predict wildfire burn severity?
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Resources
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Research
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Products
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Forestlands Best Management Practices for Golden-winged Warblers
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Combing through habitat literature and conducting two years of surveys for the presence of Golden-winged Warblers at forest stands, the AMJV and partners developed best management practices for providing breeding habitat for Golden-winged Warblers through timber harvesting.
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Projects
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Environmental Flows from Water Withdrawals in the Marcellus Shale Region
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The Appalachian LCC collaborated with Cornell University to study the environmental impacts of water withdrawals in the Central Appalachian region. The rivers and streams of the Central Appalachians are home to more than 200 species of fish and other aquatic life. They also provide a reliable source of drinking water, recreational opportunities and associated economic benefits to people living in large cities and surrounding communities. This research looks at how the region’s surface freshwater supply – and the health of natural systems delivering this resource – have been impacted and may be altered in the coming years under increasing water withdrawals. It focuses on the Marcellus Shale region in the Central Appalachians, including portions of NY, PA, OH, MD, WV and VA.
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Research
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Species and Habitat Vulnerability Assessments of Appalachian Species and Habitats
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Future climate change adaptation and mitigation strategies will be dependent on the best available projections of how the regional climate will change and on estimates of the impacts those changes will have on the region’s natural and cultural resources. Thus understanding the vulnerability of various species and habitats within the Appalachian LCC to climate change is of critical importance.
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Research
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Species and Habitat Vulnerability Assessments of Appalachian Species and Habitats
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Future climate change adaptation and mitigation strategies will be dependent on the best available projections of how the regional climate will change and the impacts those changes will have on the region’s natural and cultural resources. Understanding the vulnerability of various species and habitats to climate change within the Appalachian LCC is of critical importance for making effective conservation decisions. The AppLCC funded a Climate Change Vulnerability Assessment research project that addresses several factors: 1) how the Cooperative should acquire information about the climate vulnerability of Appalachian species and habitats to develop vulnerability assessments for a suite of key species and habitats to share with partners; 2) compilation of known vulnerability assessments of species and habitats, and 3) new climate change vulnerability assessments of selected species and habitats in the AppLCC region.
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Research
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Data Needs Assessment
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The Data Needs Assessment research project was undertaken to review the variety of resources on conservation planning to provide packages of products, data, and identified data gaps to improve conservation planning in the Appalachian LCC. A suite of core conservation planning products and data from principal investigators at Clemson University are now available to the Cooperative.
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Research
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Assessing Future Energy Development Across the Appalachians
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Assessing Future Energy Development across the Appalachian LCC used models that combined data on energy development trends and identified where these may intersect with important natural resource and ecosystem services to give a more comprehensive picture of what potential energy development could look like in the Appalachians. Ultimately this information is intended to support dialogue and conservation on how to effectively avoid, minimize, and offset impacts from energy development to important natural areas and the valuable services they provide.
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Research
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A Stream Classification System for the Appalachian Landscape Conservation Cooperative
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Unifying state-based stream classifications into a single consistent system, principal investigators at The Nature Conservancy developed a hierarchical classification system and map for stream and river systems for the Appalachian LCC that represents the region’s natural flowing-water aquatic habitats. This river classification information is needed to develop and implement instream flow standards and management recommendations so that environmental flows can become integral to all water management decisions from the onset.
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Research
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Assessing Forest Fragmentation from Marcellus Shale Gas Development
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Expansion of drilling sites and associated infrastructure to extract natural gas from the Marcellus shale deposits has the potential to significantly reduce existing forest cover across the Marcellus field and leave what remains in a fragmented state.
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