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Filters Date Types (for Date Range) Extensions Raster (1) Types Downloadable (1) GeoTIFF (1) Map Service (1) Raster (1) Contacts U.S. Geological Survey - ScienceBase U.S. Geological Survey Emily (Contractor) M Dean Devendra Dahal Audra (Contractor) J Griebel More... Categories Data (2) Data Release - Revised (1) pre-SM502.8 (1) Tag Types Place (95) Tags (with Scheme=Common geographic areas) united states (4) arizona (3) california (3) colorado (3) idaho (3) kansas (3) montana (3) More... View Results as: JSON ATOM CSV

Early Estimates of Exotic Annual Grass (EAG) in the Sagebrush Biome, USA, 2024 These datasets provide early estimates of 2024 fractional cover for exotic annual grass (EAG) species and one native perennial grass species on a weekly basis from April to late June. Typically, the EAG estimates are publicly released within 7-13 days of the latest satellite observation used for that version. Each weekly release contains five fractional cover maps along with their corresponding confidence maps for: 1) a group of 16 species of EAGs, 2) cheatgrass (Bromus tectorum); 3) Field Brome (Bromus arvensis); 4) medusahead (Taeniatherum caput-medusae); and 5) Sandberg bluegrass (Poa secunda). These datasets were generated leveraging field observations from Bureau of Land Management (BLM) Assessment, Inventory,... Categories: Data Release - Revised; Tags: Arizona, California, Colorado, Field Brome, Great Basin, All tags... Harmonized Landsat Sentinel, Idaho, Kansas, Montana, NDVI, Nebraska, Nevada, New Mexico, North Dakota, Oklahoma, Oregon, Poa secunda, South Dakota, Texas, Texas brome, USGS Science Data Catalog (SDC), United States, Utah, Washington, Wyoming, annual grass, annual herbaceous, cheatgrass, exotic, https://doi.org/10.5066/P1Y5TZBM, invasive species, medusahead, nonindigenous species, noxious, perennial grass, red brome, remote sensing, rye brome, sagebrush, soft brome, western United States, Fewer tags Risk assessments of animal species, plant species, and disease in the United States available online between 1990 and 2023 Risk assessments describe the risk of a species’ invasion in a location, and many risk assessments have been produced by different institutions for various reasons. However, information is sporadically located online, increasing the difficulty of developing comprehensive lists of species with risk assessments or comparing assessment results across species in locations of interest. Therefore, we aggregated species risk assessments by searching information systems and conducting a literature review. The methods for data aggregation are explained in the larger work citation (Dean et al. 2024). The present dataset documents risk assessments available at different spatial scales (e.g., territory, state, region, nation)... Categories: Data; Tags: Ecology, USGS Science Data Catalog (SDC), United States, biota, nonindigenous species Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This map layer contains the shallowest principal aquifers of the conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, portrayed as polygons. The map layer was developed as part of the effort to produce the maps published at 1:2,500,000 in the printed series "Ground Water Atlas of the United States". The published maps contain base and cultural features not included in these data. This is a replacement for... Categories: pre-SM502.8; Tags: Alabama, Arizona, Arkansas, California, Colorado, All tags... Connecticut, Delaware, District of Columbia, Florida, Geohydrology, Georgia, Hawaii, Hydrogeology, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, US aquifers, USGS Science Data Catalog (SDC), USGS:551a02f7-9c31-4ab3-b6f3-0841b1f05958, United States, Utah, Vermont, Virgin Islands of the United States, Virginia, Washington, West Virginia, Wisconsin, Wyoming, aquifers, groundwater, health, intelligenceMilitary, Fewer tags Early Estimates of Exotic Annual Grass (EAG) in the Sagebrush Biome, USA, 2024 (ver. 4.0, May 2024) These datasets provide early estimates of 2024 fractional cover for exotic annual grass (EAG) species and one native perennial grass species on a weekly basis from April to late June. Typically, the EAG estimates are publicly released within 7-13 days of the latest satellite observation used for that version. Each weekly release contains five fractional cover maps along with their corresponding confidence maps for: 1) a group of 16 species of EAGs, 2) cheatgrass (Bromus tectorum); 3) Field Brome (Bromus arvensis); 4) medusahead (Taeniatherum caput-medusae); and 5) Sandberg bluegrass (Poa secunda). These datasets were generated leveraging field observations from Bureau of Land Management (BLM) Assessment, Inventory,... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Arizona, California, Colorado, Field Brome, Great Basin, All tags... Harmonized Landsat Sentinel, Idaho, Kansas, Land Use Change, Montana, NDVI, Nebraska, Nevada, New Mexico, North Dakota, Oklahoma, Oregon, Poa secunda, South Dakota, Texas, Texas brome, USGS Science Data Catalog (SDC), United States, Utah, Washington, Wyoming, annual grass, annual herbaceous, cheatgrass, exotic, invasive species, medusahead, nonindigenous species, noxious, perennial grass, red brome, remote sensing, rye brome, sagebrush, soft brome, western United States, Fewer tags