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Publication from the NALCC co-funded project Identifying Important Migratory Landbird Stopover Sites in the Northeast. With many of the world’s migratory bird populations in alarming decline, broad‐scale assessments of responses to migratory hazards may prove crucial to successful conservation efforts. Most birds migrate at night through increasingly light‐polluted skies. Bright light sources can attract airborne migrants and lead to collisions with structures, but might also influence selection of migratory stopover habitat and thereby acquisition of food resources. We demonstrate, using multi‐year weather radar measurements of nocturnal migrants across the northeastern U.S., that autumnal migrant stopover density...
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Description: The upper Gila River in New Mexico is one of the few unobstructed rivers in the Colorado River Basin with largely intact native fish populations, including four federally listed and one state listed species.Freshwater systems throughout the West continue to be threatened by human encroachment and water development. Methodologies or decision support tools to evaluate resource management practices that foster an understanding of how fish species adapt to the effects of climate change are critical to future resource management planning.
Publication from the NALCC co-funded project Identifying Important Migratory Landbird Stopover Sites in the Northeast.With many of the world’s migratory bird populations in alarming decline, broad‐scale assessments of responses to migratory hazards may prove crucial to successful conservation efforts. Most birds migrate at night through increasingly light‐polluted skies. Bright light sources can attract airborne migrants and lead to collisions with structures, but might also influence selection of migratory stopover habitat and thereby acquisition of food resources. We demonstrate, using multi‐year weather radar measurements of nocturnal migrants across the northeastern U.S., that autumnal migrant stopover density...
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These data consist of Level 2 field-verified and remotely-sensed (potential) vernal pool locations submitted to the Vernal Pool Data Cooperative (VPDC) by cooperators from Maine, Maryland, New Hampshire, New York, Nova Scotia, and Virginia. Data submitted to the VPDC were subject to any of three data restriction categories established by the original data source. The data restriction categories are: Level 1:Unrestricted– Available for visualization and download through the NALCC Conservation Planning Atlas; Level 2:Visualization only– Available for visualization in the Conservation Planning Atlas (http://nalcc.databasin.org/datasets/b46351fa598549e6a7c6073f490226ce); download requires permission from data source;...
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This dataset is a component of a complete package of products from the Connect the Connecticut project. Connect the Connecticut is a collaborative effort to identify shared priorities for conserving the Connecticut River Watershed for future generations, considering the value of fish and wildlife species and the natural ecosystems they inhabit. Click here to download the full data package, including all documentation. This dataset identifies large and medium rivers within the Connecticut River watershed that provide habitat for five anadromous fish species: American shad, blueback herring, shortnose sturgeon, alewife, and sea lamprey. Habitat includes the mainstem and major tributaries of the Connecticut River...
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Forest cores are derived by applying an inverse buffer (-100m) to forest patches to represent the area of contiguous interior forest habitat. Forest patches are defined as areas of contiguous natural cover bound by non-natural edge or linear fragmenting features (roads, railroads, transmission lines, natural gas pipelines). The following land cover types were selected from the 2006 National Land Cover Database (NLCD) to define “natural cover”: deciduous forest, coniferous forest, mixed [deciduous-coniferous] forest, scrub-shrub, woody wetland, and emergent wetland. Forest patches were delineated based on non-forest edge (from the NLCD) and the following linear fragmenting features:electric transmission lines (from...
Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Citation, Downloadable, Map Service; Tags: Academics & scientific researchers, AppLCC, Appalachian, Appalachian, Appalachians, All tags...
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Dozens of species of landbirds, such as warblers, hummingbirds, and orioles, migrate through the Northeastern United States from their summer breeding grounds in the U.S. and Canada to their nonbreeding grounds as far south as South America. During the migration period, birds must find habitat where they can stop, rest and replenish their energy reserves. Conservation efforts are increasingly focused on identifying stopover sites that are important for sustaining migratory landbird populations. This project builds upon prior work by the University of Delaware and USGS to use weather surveillance data and field surveys to map and predict important migratory bird stopover sites.This project was co-funded by through...
    map background search result map search result map Anadromous Fish Index, CT River Watershed Vernal Pools (Level 2), 2015, Northeast Pennsylvania Watersheds with a Documented Bat Occurrence Identifying Important Migratory Landbird Stopover Sites in the Northeast Science Brief for Resource Managers: Metacommunity Dynamics of Gila River Fishes Anadromous Fish Index, CT River Watershed Science Brief for Resource Managers: Metacommunity Dynamics of Gila River Fishes Pennsylvania Watersheds with a Documented Bat Occurrence Vernal Pools (Level 2), 2015, Northeast Identifying Important Migratory Landbird Stopover Sites in the Northeast