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This map layer includes Global Map data showing cities and towns in the United States, Puerto Rico, and the U.S. Virgin Islands. The data are a modified version of the National Atlas of the United States 1:1,000,000-scale cities and towns of the United States; those source data were derived from the Geographic Names Information System (GNIS) and the U.S. Census Bureau National Places Gazetteer files. Global Map refers to these locations as Built-up Area (point) and defines them as areas containing a concentration of buildings and other structures (smaller than Built-up Area (face)). National Atlas cities or towns are defined as places with a recorded population, usually with at least one central area that provides...
Types: Citation; Tags: Rhode Island, Oklahoma, Small-scale Datasets, North Carolina, Massachusetts, All tags...
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In 1998, the Florida Fish and Wildlife Conservation Commission's (FWC) Fisheries Independent Monitoring (FIM) program began a long-term monitoring effort of key reef fish populations in the Florida Keys National Marine Sanctuary. This effort was aimed at evaluating the relative abundance, size structure, and habitat utilization of specific reef fish species that are targeted by commercial and recreational fisheries.; Smith, S.G., et al. 2011, Multispecies survey design for assessing reef-fish stocks, spatially explicit management performance, and ecosystem condition. Fisheries Research 109(2011)25-41; Brandt, M.E., et. al. 2009, A Cooperative Multi-agency Reef Fish Monitoring Protocol for the Florida Keys Coral...
Categories: Data; Types: NetCDF OPeNDAP Service; Tags: recorded, observedMeanLengthInCm, florida, kingdom, waterbody, All tags...
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In 1998, the Florida Fish and Wildlife Conservation Commission's (FWC) Fisheries Independent Monitoring (FIM) program began a long-term monitoring effort of key reef fish populations in the Florida Keys National Marine Sanctuary. This effort was aimed at evaluating the relative abundance, size structure, and habitat utilization of specific reef fish species that are targeted by commercial and recreational fisheries.; Smith, S.G., et al. 2011, Multispecies survey design for assessing reef-fish stocks, spatially explicit management performance, and ecosystem condition. Fisheries Research 109(2011)25-41; Brandt, M.E., et. al. 2009, A Cooperative Multi-agency Reef Fish Monitoring Protocol for the Florida Keys Coral...
Categories: Data; Types: NetCDF OPeNDAP Service; Tags: recorded, observedMeanLengthInCm, florida, max_depth, kingdom, All tags...
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This map layer portrays the linear federally owned or administered land features (i.e., national parkways, wild and scenic rivers, etc.) of the United States and Puerto Rico. Some features may be administered in conjunction with local governments. The map layer was created by extracting and combining linear federal land features from the 1:1,000,000-scale Roads and Streams files that are part of The National Map. There are no Parkways or Scenic Rivers in Hawaii or in the U.S. Virgin Islands.
Types: Citation; Tags: Rhode Island, Oklahoma, Small-scale Datasets, North Carolina, Massachusetts, All tags...
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This map layer includes Global Map data showing waterbodies and wetlands of the United States, Puerto Rico, and the U.S. Virgin Islands. The data are a modified version of the National Atlas of the United States 1:1,000,000-Scale Waterbodies and Wetlands of the United States; that data set was created primarily from the Medium-Resolution and High-Resolution National Hydrography Dataset NHDWaterbody feature classes, through feature selection and cartographic generalization based on reference to published small-scale ancillary data sets.
Types: Citation; Tags: Rhode Island, Oklahoma, Small-scale Datasets, North Carolina, Massachusetts, All tags...
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This dataset provides locations and technical specifications of wind turbines in the United States, almost all of which are utility-scale. Utility-scale turbines are ones that generate power and feed it into the grid, supplying a utility with energy. They are usually much larger than turbines that would feed a homeowner or business. The regularly updated database has wind turbine records that have been collected, digitized, and locationally verified. Turbine data were gathered from the Federal Aviation Administration's (FAA) Digital Obstacle File (DOF) and Obstruction Evaluation Airport Airspace Analysis (OE-AAA), the American Wind Energy Association (AWEA), Lawrence Berkeley National Laboratory (LBNL), and the...
Conclusions:Report synthesizes scientific, planning, and policy-related aspects on the importance of land conservation in areas producing water for potable uses, including watersheds and aquifers. One critical finding indicated that if there is more forest cover in a watershed, water treatment costs are lower.Thresholds/Learnings:For every 10% increase in forest cover in the source area, treatment and chemical costs decreased by about 20%, up to about 60% forest cover. Treatment costs level off when forest cover is between 70-100%.
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In 1998, the Florida Fish and Wildlife Conservation Commission's (FWC) Fisheries Independent Monitoring (FIM) program began a long-term monitoring effort of key reef fish populations in the Florida Keys National Marine Sanctuary. This effort was aimed at evaluating the relative abundance, size structure, and habitat utilization of specific reef fish species that are targeted by commercial and recreational fisheries.; Smith, S.G., et al. 2011, Multispecies survey design for assessing reef-fish stocks, spatially explicit management performance, and ecosystem condition. Fisheries Research 109(2011)25-41; Brandt, M.E., et. al. 2009, A Cooperative Multi-agency Reef Fish Monitoring Protocol for the Florida Keys Coral...
Categories: Data; Types: NetCDF OPeNDAP Service; Tags: recorded, observedMeanLengthInCm, florida, kingdom, waterbody, All tags...
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This map layer shows elevation contour lines for Alaska. The map layer was derived from the 100-meter resolution elevation data set which is published by the National Atlas of the United States, and is in the same Albers Equal-area Conic projection as that source data set. Contour intervals match the steps used in the National Atlas Color-Sliced Elevation data sets. Contours were adjusted so that they are in the proper relationship to National Atlas 1:1,000,000-scale lakes, reservoirs, and wide (double-line) streams.
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This map layer includes Global Map data showing streams in the United States, Puerto Rico, and the U.S. Virgin Islands. The data are a modified version of the National Atlas of the United States 1:1,000,000-Scale Streams of the United States; that file was produced primarily from the Medium-Resolution and High-Resolution National Hydrography Dataset NHDFlowline feature classes, through feature selection and cartographic generalization based on reference to published small-scale ancillary data sets.
Types: Citation; Tags: Rhode Island, Oklahoma, Small-scale Datasets, North Carolina, Massachusetts, All tags...
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This map layer contains waterbodies and wetlands of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer was produced primarily from the Medium-Resolution and High-Resolution National Hydrography Dataset NHDWaterbody feature classes, through feature selection and cartographic generalization based on reference to published small-scale ancillary data sets. This is a revised version of the July 2012 map layer.
Types: Citation; Tags: Rhode Island, Oklahoma, Small-scale Datasets, North Carolina, Massachusetts, All tags...
In an earlier article the author has argued that the turbulent history of nuclear power in Britain and the USA stems from the technology itself, and has little to do with the very different institutional arrangements made for the new technology in the two countries. Nuclear plant has various features which make its planning extraordinarily difficult. Its long lead time, large unit size, capital intensity and dependence on complex infrastructure combine to ensure that mistakes are likely to be made in planning the technology and that what mistakes do occur are expensive. This article aims to expand on the earlier one in two ways; by looking at the apparent success of the French nuclear programme which seems to run...
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LandScope America—a collaborative project of NatureServe and the National Geographic Society—is a new online resource for the land-protection community and the public. By bringing together maps, data, photos, and stories about America’s natural places and open spaces, our goal is to inform and inspire conservation of our lands and waters.


map background search result map search result map LandScope America 2010 Dry Tortugas Reef Visual Census, v3.3 1996 Florida Keys Reef Visual Census, v3.3 1994 Florida Keys Reef Visual Census, v3.3 USGS Small-scale Dataset - Global Map: Cities and Towns of the United States 201403 Shapefile USGS Small-scale Dataset - Congressional Districts of the United States - 110th Congress 200710 Shapefile USGS Small-scale Dataset - Congressional Districts of the United States - 112th Congress 201101 Shapefile USGS Small-scale Dataset - 1:1,000,000-Scale Contours of Alaska 201404 Shapefile USGS 1:1,000,000-Scale Federal Lands of the United States - Parkways and Scenic Rivers 201506 Shapefile USGS Small-scale Dataset - Public Land Survey System of the United States 201011 Shapefile USGS Small-scale Dataset - Railroads of the United States 200509 Shapefile USGS Small-scale Dataset - 1:1,000,000-Scale Congressional Districts of the United States - 113th Congress 201304 FileGDB 10.1 USGS Small-scale Dataset - 1:1,000,000-Scale Ferries of the United States 201406 FileGDB 10.1 USGS Small-scale Dataset - Global Map: 1:1,000,000-Scale Inland Water Areas of the United States 201406 FileGDB 10.1 USGS Small-scale Dataset - Global Map: 1:1,000,000-Scale Railroads of the United States 201403 FileGDB 10.1 USGS Small-scale Dataset - Global Map: 1:1,000,000-Scale Streams of the United States 201406 FileGDB 10.1 USGS Small-scale Dataset - 1:1,000,000-Scale Waterbodies and Wetlands of the United States 201403 FileGDB 10.1 United States Wind Turbine Database 2010 Dry Tortugas Reef Visual Census, v3.3 1994 Florida Keys Reef Visual Census, v3.3 1996 Florida Keys Reef Visual Census, v3.3 USGS Small-scale Dataset - Railroads of the United States 200509 Shapefile USGS Small-scale Dataset - Global Map: 1:1,000,000-Scale Railroads of the United States 201403 FileGDB 10.1 USGS Small-scale Dataset - 1:1,000,000-Scale Ferries of the United States 201406 FileGDB 10.1 USGS 1:1,000,000-Scale Federal Lands of the United States - Parkways and Scenic Rivers 201506 Shapefile USGS Small-scale Dataset - Global Map: 1:1,000,000-Scale Inland Water Areas of the United States 201406 FileGDB 10.1 USGS Small-scale Dataset - 1:1,000,000-Scale Waterbodies and Wetlands of the United States 201403 FileGDB 10.1 USGS Small-scale Dataset - Global Map: 1:1,000,000-Scale Streams of the United States 201406 FileGDB 10.1 USGS Small-scale Dataset - Global Map: Cities and Towns of the United States 201403 Shapefile USGS Small-scale Dataset - 1:1,000,000-Scale Contours of Alaska 201404 Shapefile USGS Small-scale Dataset - Congressional Districts of the United States - 110th Congress 200710 Shapefile USGS Small-scale Dataset - Congressional Districts of the United States - 112th Congress 201101 Shapefile USGS Small-scale Dataset - Public Land Survey System of the United States 201011 Shapefile USGS Small-scale Dataset - 1:1,000,000-Scale Congressional Districts of the United States - 113th Congress 201304 FileGDB 10.1 United States Wind Turbine Database LandScope America