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Diatom assemblages in sediments from two subalpine lakes in the Uinta Mountains, Utah, show asynchronous changes that are related to both anthropogenic and natural inputs of dust. These lakes are downwind of sources of atmospheric inputs originating from mining, industrial, urban, agricultural and natural sources that are distributed within tens to hundreds of kilometers west and south of the Uinta Mountains. Sediment cores were retrieved from Marshall and Hidden lakes to determine the impacts of atmospheric pollution, especially metals. Paleolimnological techniques, including elemental analyses and 210Pb and 239+240Pu dating, indicate that both lakes began receiving eolian inputs from anthropogenic sources in the...
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This map shows the current distribution of species assemblages for the ecoregion, typified by the type of environment each species assemblage is usually found (soil, tree type, or specific place). The input datasets used in the associated geospatial modeling are also included. These data are provided by Bureau of Land Management (BLM) "as is" and may contain errors or omissions. The User assumes the entire risk associated with its use of these data and bears all responsibility in determining whether these data are fit for the User's intended use. These data may not have the accuracy, resolution, completeness, timeliness, or other characteristics appropriate for applications that potential users of the data may contemplate....
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This map shows the Alpine Dwarf Shrub Tundra conservation element data in the CYR study area. Layers include: Distribution map of the alpine dwarf shrub tundra CE; Current, near-term, and long-term status of alpine dwarf shrub tundra in the CYR study area. These data are provided by Bureau of Land Management (BLM) "as is" and may contain errors or omissions. The User assumes the entire risk associated with its use of these data and bears all responsibility in determining whether these data are fit for the User's intended use. These data may not have the accuracy, resolution, completeness, timeliness, or other characteristics appropriate for applications that potential users of the data may contemplate. The User...
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Layered GeoPDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features.
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Layered GeoPDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features.
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Layered GeoPDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features.
This data set contains imagery from the National Agriculture Imagery Program (NAIP). The NAIP program is administered by USDA FSA and has been established to support two main FSA strategic goals centered on agricultural production. These are, increase stewardship of America's natural resources while enhancing the environment, and to ensure commodities are procured and distributed effectively and efficiently to increase food security. The NAIP program supports these goals by acquiring and providing ortho imagery that has been collected during the agricultural growing season in the U.S. The NAIP ortho imagery is tailored to meet FSA requirements and is a fundamental tool used to support FSA farm and conservation programs....
This data set contains imagery from the National Agriculture Imagery Program (NAIP). The NAIP program is administered by USDA FSA and has been established to support two main FSA strategic goals centered on agricultural production. These are, increase stewardship of America's natural resources while enhancing the environment, and to ensure commodities are procured and distributed effectively and efficiently to increase food security. The NAIP program supports these goals by acquiring and providing ortho imagery that has been collected during the agricultural growing season in the U.S. The NAIP ortho imagery is tailored to meet FSA requirements and is a fundamental tool used to support FSA farm and conservation programs....
This data set contains imagery from the National Agriculture Imagery Program (NAIP). The NAIP program is administered by USDA FSA and has been established to support two main FSA strategic goals centered on agricultural production. These are, increase stewardship of America's natural resources while enhancing the environment, and to ensure commodities are procured and distributed effectively and efficiently to increase food security. The NAIP program supports these goals by acquiring and providing ortho imagery that has been collected during the agricultural growing season in the U.S. The NAIP ortho imagery is tailored to meet FSA requirements and is a fundamental tool used to support FSA farm and conservation programs....
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In order to determine the effect of increased nitrogen inputs on fluxed of N2O and CH4 from alpine soils, we measured fluxes of these gases from fertilized and unfertilized soils in wet and dry alpine meadows. In the dry meadow, the addition of nitrogen resulted in a 22-fold increase in N2O emissions, while in the wet meadow, we observed a 45-fold increase in N2O emission rates. CH4 uptake in the dry meadow was reduced 52% by fertilization; however, net CH4 production occurred in all the wet meadow plots and emission rates were not significantly affected by fertilization. Net nitrification rates in the dry meadow were higher in fertilized plots than in non-fertilized plots throughout the growing season; net mineralization...
This data set contains imagery from the National Agriculture Imagery Program (NAIP). The NAIP program is administered by USDA FSA and has been established to support two main FSA strategic goals centered on agricultural production. These are, increase stewardship of America's natural resources while enhancing the environment, and to ensure commodities are procured and distributed effectively and efficiently to increase food security. The NAIP program supports these goals by acquiring and providing ortho imagery that has been collected during the agricultural growing season in the U.S. The NAIP ortho imagery is tailored to meet FSA requirements and is a fundamental tool used to support FSA farm and conservation programs....


map background search result map search result map Fluxes of nitrous oxide and methane from nitrogen-amended soils in a Colorado alpine ecosystem FSA 10:1 NAIP Imagery m_3811911_se_11_h_20160803_20161004 3.75 x 3.75 minute JPEG2000 from The National Map FSA 10:1 NAIP Imagery m_3811926_ne_11_h_20160803_20161004 3.75 x 3.75 minute JPEG2000 from The National Map FSA 10:1 NAIP Imagery m_3811927_nw_11_h_20160803_20161004 3.75 x 3.75 minute JPEG2000 from The National Map FSA 10:1 NAIP Imagery m_3811934_ne_11_h_20160803_20161004 3.75 x 3.75 minute JPEG2000 from The National Map USGS 1:24000-scale Quadrangle for Alpine, CA 1997 USGS 1:24000-scale Quadrangle for Alpine, MT 1996 USGS 1:125000-scale Quadrangle for Alpine, TX 1895 USGS 1:24000-scale Quadrangle for Alpine, NY 1969 USGS 1:24000-scale Quadrangle for Alpine, AZ 1997 BLM REA CYR 2013 Alpine Dwarf Shrub Tundra BLM REA CBR 2010 Terrestrial Group Species Assemblage Status - Non-carbonate Alpine USGS US Topo 7.5-minute map for Coleville, CA 2015 USGS US Topo 7.5-minute map for Dardanelle, CA 2012 USGS US Topo 7.5-minute map for Donnell Lake, CA 2015 USGS US Topo 7.5-minute map for Heenan Lake, CA-NV 2015 USGS US Topo 7.5-minute map for Pickel Meadow, CA 2012 USGS US Topo 7.5-minute map for Wolf Creek, CA 2012 FSA 10:1 NAIP Imagery m_3811911_se_11_h_20160803_20161004 3.75 x 3.75 minute JPEG2000 from The National Map FSA 10:1 NAIP Imagery m_3811926_ne_11_h_20160803_20161004 3.75 x 3.75 minute JPEG2000 from The National Map FSA 10:1 NAIP Imagery m_3811927_nw_11_h_20160803_20161004 3.75 x 3.75 minute JPEG2000 from The National Map FSA 10:1 NAIP Imagery m_3811934_ne_11_h_20160803_20161004 3.75 x 3.75 minute JPEG2000 from The National Map USGS 1:24000-scale Quadrangle for Alpine, CA 1997 USGS 1:24000-scale Quadrangle for Alpine, MT 1996 USGS 1:24000-scale Quadrangle for Alpine, NY 1969 USGS 1:24000-scale Quadrangle for Alpine, AZ 1997 USGS US Topo 7.5-minute map for Coleville, CA 2015 USGS US Topo 7.5-minute map for Dardanelle, CA 2012 USGS US Topo 7.5-minute map for Donnell Lake, CA 2015 USGS US Topo 7.5-minute map for Heenan Lake, CA-NV 2015 USGS US Topo 7.5-minute map for Pickel Meadow, CA 2012 USGS US Topo 7.5-minute map for Wolf Creek, CA 2012 Fluxes of nitrous oxide and methane from nitrogen-amended soils in a Colorado alpine ecosystem USGS 1:125000-scale Quadrangle for Alpine, TX 1895 BLM REA CBR 2010 Terrestrial Group Species Assemblage Status - Non-carbonate Alpine BLM REA CYR 2013 Alpine Dwarf Shrub Tundra