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Found 1163 dataset(s) matching "National Wildlife Refuges".
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Understanding how sea-level rise will affect coastal landforms and the species and habitats they support is critical for crafting approaches that balance the needs of humans and native species....
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This data release presents data that were collected as part of a larger effort to refine knowledge pertaining to the origin, composition, and seasonality of dissolved organic matter in lakes. This...
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This tabular data set contains estimates of total phosphorus concentration and mass, as well as measurements of water discharge and volume at a diked wetland pool (Pool 2B) that was reconnected to...
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This data release includes a table of concentrations (Sr, U) and radiogenic-isotope compositions (87Sr/86Sr, 234U/238U) for samples of modern lake water as well as a table of isotopic compositions...
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Estimates of the biomass of the knees of baldcypress (Taxodium distichum), and oddly shaped, difficult to quantify vegetation components, can be critical to improve estimates of carbon stock in...
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This data release contains time-series data and plots summarizing mean monthly temperature (TAVE) and total monthly precipitation (PPT), and runoff (RO) from the U.S. Geological Survey Monthly...
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There were five objects for compiling these data: 1) to conduct a systematic inventory of diamond-backed terrapins (Malaclemys terrapin) using headcount surveys on four National Wildlife Refuges...
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This data release contains grids, in geographic tagged imaged file(.tif) format, summarizing inundation frequency of the U. S. Geological Survey (USGS) Dynamic Surface Water Extent (DSWE) Landsat...
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Training points collected in the field between 2012 and 2013 were grouped into 18 classes: Forested Burn (66), Foothill Woodland Steppe Transition (73), Greasewood Flat (73), Greasewood Steppe...
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Training points collected in the field between 2012 and 2013 were grouped into 18 classes: Forested Burn (66), Foothill Woodland Steppe Transition (73), Greasewood Flat (73), Greasewood Steppe...
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This dataset is a subset of data attributes selected from the (full) 1966-2019 North American Breeding Bird Survey (BBS) dataset to assist in populating the U.S. Fish and Wildlife's FWSpecies...
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The Bureau of Reclamation’s Remote Sensing and Geographic Information Group (RSGIS) was contracted by US Fish and Wildlife Service to map vegetation and land-use classes at LNWR using remote...
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Populations of Dall sheep (Ovis dalli) have been declining in the Chugach Range, Alaska since the 1990s. Past research suggests that fire can increase the carrying capacity of habitat for Dall...
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This lidar data set includes unclassified swath LAS 1.4 files, classified LAS 1.4 files, breaklines, digital elevation models (DEMs), first return digital surface models (DSMs), and intensity...
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The field data and WorldView imagery were leveraged to generate an extensive set of segments labeled with land cover class. These segment interpretations provided the training and validation data...
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Polygons of areas sampled on CMR for riparian health assessment.
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"We applied Simple Non-Iterative Clustering (SNIC) (Achanta and Susstrunk 2017) to develop image segments or super-pixels from the WorldView mosaic (Figure 4). Input bands for the segmentation...
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Physiography was derived from an attribute field in the ecological subsection mapping. The original physiography linework was adjusted to match the image segmentation edges. Segments in more than...
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We compiled the Landsat Level-3 Fractional Snow Covered Area (fSCA) product (Painter et al. 2009, Selkowitz et al. 2017) for the tiles intersecting the study area for 2000–2017. The product...
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"We obtained the 5 m Interferometric Synthetic Aperture Radar Digital Terrain Model (IFSAR DTM) tiles for the study area from https://elevation.alaska.gov/ and mosaicked the products into a single...
