{
  "@context": "https://schema.org/",
  "@type": "Dataset",
  "comment": "This dataset metadata was generated with the use of AI and reviewed by an expert. If you see any mistakes please file an issue on GitHub at https://github.com/earthcube/communityCollections/issues.",
  "@id": "https://www.mrlc.gov/data/type/exotic-annual-grass#dataset",
  "name": "Exotic Annual Grass (EAG) Fractional Cover (MRLC)",
  "description": "The Exotic Annual Grass (EAG) dataset provides frequent (weekly, during the core growing season) early estimates of fractional cover for multiple exotic annual grass targets and one native perennial grass species in arid and semi-arid rangelands of the western United States. Each release includes fractional cover maps and corresponding confidence maps for multiple species/groups (including cheatgrass and other Bromus species) generated using field observations, HLS NDVI, environmental drivers, and machine learning methods.",
  "url": "https://www.mrlc.gov/data/type/exotic-annual-grass",
  "creator": {
    "@type": "Organization",
    "name": "U.S. Geological Survey (USGS) / MRLC Consortium",
    "url": "https://www.mrlc.gov/partners"
  },
  "publisher": {
    "@type": "Organization",
    "name": "Multi-Resolution Land Characteristics (MRLC) Consortium",
    "url": "https://www.mrlc.gov/"
  },
  "keywords": [
    "Exotic Annual Grass",
    "EAG",
    "cheatgrass",
    "invasive species",
    "fractional cover",
    "rangelands",
    "remote sensing",
    "machine learning"
  ],
  "variableMeasured": [
    {
      "@type": "PropertyValue",
      "name": "EAG fractional cover (multiple species group)",
      "temporalCoverage": "2016-01-01/2025-12-31",
      "spatialCoverage": {
        "@type": "Place",
        "name": "Western United States (arid and semi-arid rangelands)",
        "geo": {
          "@type": "GeoShape",
          "box": "-130,30 -95,50"
        }
      },
      "temporalResolution": "not detected",
      "spatialResolution": {
        "@type": "QuantitativeValue",
        "value": 30,
        "unitText": "m"
      }
    },
    {
      "@type": "PropertyValue",
      "name": "Cheatgrass (Bromus tectorum) fractional cover",
      "temporalCoverage": "2016-01-01/2025-12-31",
      "spatialCoverage": {
        "@type": "Place",
        "name": "Western United States (arid and semi-arid rangelands)",
        "geo": {
          "@type": "GeoShape",
          "box": "-130,30 -95,50"
        }
      },
      "temporalResolution": "not detected",
      "spatialResolution": {
        "@type": "QuantitativeValue",
        "value": 30,
        "unitText": "m"
      }
    },
    {
      "@type": "PropertyValue",
      "name": "Other Bromus spp. fractional cover (Field brome + Japanese brome)",
      "temporalCoverage": "2016-01-01/2025-12-31",
      "spatialCoverage": {
        "@type": "Place",
        "name": "Western United States (arid and semi-arid rangelands)",
        "geo": {
          "@type": "GeoShape",
          "box": "-130,30 -95,50"
        }
      },
      "temporalResolution": "not detected",
      "spatialResolution": {
        "@type": "QuantitativeValue",
        "value": 30,
        "unitText": "m"
      }
    },
    {
      "@type": "PropertyValue",
      "name": "Medusahead (Taeniatherum caput-medusae) fractional cover",
      "temporalCoverage": "2016-01-01/2025-12-31",
      "spatialCoverage": {
        "@type": "Place",
        "name": "Western United States (arid and semi-arid rangelands)",
        "geo": {
          "@type": "GeoShape",
          "box": "-130,30 -95,50"
        }
      },
      "temporalResolution": "not detected",
      "spatialResolution": {
        "@type": "QuantitativeValue",
        "value": 30,
        "unitText": "m"
      }
    },
    {
      "@type": "PropertyValue",
      "name": "Sandberg bluegrass (Poa secunda) fractional cover",
      "temporalCoverage": "2016-01-01/2025-12-31",
      "spatialCoverage": {
        "@type": "Place",
        "name": "Western United States (arid and semi-arid rangelands)",
        "geo": {
          "@type": "GeoShape",
          "box": "-130,30 -95,50"
        }
      },
      "temporalResolution": "not detected",
      "spatialResolution": {
        "@type": "QuantitativeValue",
        "value": 30,
        "unitText": "m"
      }
    },
    {
      "@type": "PropertyValue",
      "name": "Confidence maps (per target)",
      "temporalCoverage": "2016-01-01/2025-12-31",
      "spatialCoverage": {
        "@type": "Place",
        "name": "Western United States (arid and semi-arid rangelands)",
        "geo": {
          "@type": "GeoShape",
          "box": "-130,30 -95,50"
        }
      },
      "temporalResolution": "not detected",
      "spatialResolution": {
        "@type": "QuantitativeValue",
        "value": 30,
        "unitText": "m"
      }
    }
  ],
  "measurementTechnique": [
    "Remote sensing (HLS NDVI and related drivers)",
    "Field observations (BLM AIM plots) and machine learning regression modeling"
  ],
  "license": "https://creativecommons.org/publicdomain/zero/1.0/",
  "citation": [
    {
      "@type": "CreativeWork",
      "name": "Dahal, D., Boyte, S., Megard, L., Postma, K., and Pastick, N., 2025, Early Estimates of Exotic Annual Grass (EAG) in the Sagebrush Biome, USA, 2025: U.S. Geological Survey data release, https://doi.org/10.5066/P14VQEGO",
      "identifier": {
        "@type": "PropertyValue",
        "propertyID": "doi",
        "value": "10.5066/P14VQEGO"
      },
      "sameAs": "https://doi.org/10.5066/P14VQEGO"
    }
  ],
  "distribution": [
    {
      "@type": "DataDownload",
      "name": "MRLC Exotic Annual Grass data landing page",
      "contentUrl": "https://www.mrlc.gov/data/type/exotic-annual-grass",
      "description": "MRLC landing page describing the EAG products and linking to individual releases."
    },
    {
      "@type": "DataDownload",
      "name": "USGS data release (DOI: 10.5066/P14VQEGO)",
      "contentUrl": "https://www.usgs.gov/data/early-estimates-exotic-annual-grass-eag-sagebrush-biome-usa-2025",
      "description": "USGS authoritative data release record for EAG estimates (includes DOI and rights statement)."
    }
  ],
  "encodingFormat": [
    "image/tiff",
    "application=geotiff",
    "application/zip"
  ],
  "isPartOf": {
    "@type": "DataCatalog",
    "@id": "https://www.mrlc.gov/data#catalog"
  },
  "about": [
    {
      "@type": "Thing",
      "name": "Invasive species monitoring"
    },
    {
      "@type": "Thing",
      "name": "Rangeland ecology"
    },
    {
      "@type": "Thing",
      "name": "Remote sensing"
    }
  ]
}