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The Northeastern States contain over 17,000 dams with most built before 1910 for agricultural and industrial water power uses. A few have been built more recently for flood control, recreation, water supply, and energy generation. In many cases, the dams have outlived their expected life expectancy and use, but continue to block the passage of migratory fish species, such as American Shad, river herring, American Eel, Rainbow Smelt, and Atlantic Salmon, to and from their historic upstream spawning grounds. Additionally, the fragmentation of stream systems by dams have reduced Brook Trout populations in some locations. Progress is being made on this impairment as over 67 dams were removed during 2010 to 2014 in...
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The National Conservation Easement Database (NCED) is a collaborative venture to compile easement records (both spatial and tabular) from land trusts and public agencies throughout the United States in a single, up-to-date, sustainable, GIS compatible, online source. The goal of the NCED is to provide a comprehensive picture of conservation easement lands, recognizing their contribution to America's natural heritage, a vibrant economy, and healthy communities. Conservation easements are legal agreements voluntarily entered into between landowners and conservation entities (agencies or land trusts) for the express purpose of protecting certain societal values such as open space or vital wildlife habitats. In some...
Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Conservation Easement, Conservation Easement, Conservation Easement, Conservation Easement, Conservation Easement, All tags...
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This dataset is a compilation of forest insect, disease and abiotic damage mapped by aerial detection surveys on forested areas in the United States. At this time, the National Aerial Survey Data Standards require only mortality and defoliation data be collected and reported. However, many cooperators collect data on other types of damage and therefore, the national database has been designed to accommodate these data. Low-level flights, typically 1,000 to 2,000 feet above ground level, are used to map forest damage. Observers use paper maps, typically 1:100,000 scale USGS maps, upon which they record the damage. There is also a digital sketchmap system that may be used. The digital system uses GPS to display the...
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Data was digitized from original scribe sheets used to prepare the published Geologic Map of Wyoming (Love and Christiansen, 1985), consequently at a 1:500,000 scale.
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This map layer includes agricultural minerals operations in the United States. The data represent commodities covered by the Minerals Information Team (MIT) of the U.S. Geological Survey. The mineral operations are plants and (or) mines surveyed by the MIT and considered currently active in 2003. This is a replacement for the June 2004 map layer.
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This file contains geologic faults within the southern Wasatch Plateau study area. The Nation's coal resources are being reassessed by the USGS. This assessment identifies and characterizes the coal beds and coal zones that will provide the bulk of the nation's coal-derived energy during the next century. This assessment is different from previous large-scale USGS assessments because files and databases are being stored in a digital format and are being analyzed using a Geographic Information System (GIS).
Categories: Data; Types: Downloadable, Map Service, Shapefile
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The Great Plains Landscape Conservation Cooperative (GPLCC, http://www.greatplainslcc.org/) is a partnership that provides applied science and decision support tools to assist natural resource managers conserve plants, fish and wildlife in the mid- and short-grass prairie of the southern Great Plains. It is part of a national network of public-private partnerships — known as Landscape Conservation Cooperatives (LCCs, http://www.fws.gov/science/shc/lcc.html) — that work collaboratively across jurisdictions and political boundaries to leverage resources and share science capacity. The Great Plains LCC identifies science priorities for the region and helps foster science that addresses these priorities to support wildlife...
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These layers were produced as part of the WGA/LCC Riparian Mapping Project, which identified riparian location, condition, and climate adaptation potential, for the Pacific Northwest, USA. These layers identify potential riparian areas (i.e., near-stream valley bottoms; Theobald et al. 2013) that span large temperature gradients, have high canopy cover, low solar insolation, and low levels of human modification – characteristics expected to facilitate climate-induced species range shifts and provide micro-climatic refugia from warming. Detailed description of the project rationale, methods, and resulting layers may be found in Krosby et al. (2014). References: Krosby, M., Norheim, R., Theobald, D. M., and B. H....


map background search result map search result map Agricultural Mineral Operations Wyoming Faults, scale 1:500k GAP Analysis Peregrine Falcon (NW) GAP Analysis Greater Sage Grouse Planning Cadastre Geologic faults in the So. Wasatch Plateau study area Coalbed Methane Reserves and Production in 2006 for the Great Plains Landscape Conservation Cooperative Damage to forested areas in the North Pacific LCC, USA, 2006 National Conservation Easement Database (NCED) OF_new_nhru_04232013 Pacific Northwest Riparian Climate Corridors: scores attributed to HUC-6 watersheds nhru_18 Description of dams and other barriers as a human activity affecting fish habitat in Northeastern States OF_new_nhru_04232013 Wyoming Faults, scale 1:500k Planning Cadastre Description of dams and other barriers as a human activity affecting fish habitat in Northeastern States nhru_18 Coalbed Methane Reserves and Production in 2006 for the Great Plains Landscape Conservation Cooperative Damage to forested areas in the North Pacific LCC, USA, 2006 GAP Analysis Peregrine Falcon (NW) Pacific Northwest Riparian Climate Corridors: scores attributed to HUC-6 watersheds GAP Analysis Greater Sage Grouse Agricultural Mineral Operations National Conservation Easement Database (NCED)