{
  "accessLevel": "public",
  "bureauCode": [
    "020:00"
  ],
  "contactPoint": {
    "fn": "Ken Fritz",
    "hasEmail": "mailto:fritz.ken@epa.gov"
  },
  "describedBy": "https://pasteur.epa.gov/uploads/10.23719/d-v513/documents/Data%20Dictionary%20for%20Algal%20and%20environmental%20data.xlsx",
  "describedByType": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
  "description": "Algal cover (index), density (individuals/cm2) and biovolume (um3/cm2) for diatoms (species and genus-levels) and soft-bodied taxa (genus-level) and environmental data (hydrology, geomorphology, macroinvertebrate, physicochemical, watershed) from 508 samples across 22 ephemeral, 37 intermittent, and 51 perennial reaches distributed along 31 forested headwater streams within 4 ecoregions in the contiguous United States. Citation information for this dataset can be found in Data.gov's References section.",
  "distribution": [
    {
      "accessURL": "https://ars.els-cdn.com/content/image/1-s2.0-S1470160X26004802-mmc1.xlsx",
      "title": "https://ars.els-cdn.com/content/image/1-s2.0-S1470160X26004802-mmc1.xlsx"
    }
  ],
  "identifier": "https://doi.org/10.23719/d-v513",
  "keyword": [
    "Algae",
    "Headwater",
    "diatoms",
    "drying",
    "ephemeral",
    "epilithon",
    "flow classification",
    "indicators",
    "intermittent",
    "perennial"
  ],
  "license": "https://pasteur.epa.gov/license/sciencehub-license.html",
  "modified": "2025-10-01",
  "programCode": [
    "020:000"
  ],
  "publisher": {
    "name": "U.S. Environmental Protection Agency",
    "subOrganizationOf": {
      "name": "U.S. Government"
    }
  },
  "references": [
    "https://doi.org/10.1016/j.ecolind.2026.115080",
    "https://pasteur.epa.gov/uploads/10.23719/d-v513/documents/Fritz_etal2026.pdf",
    "https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13426848"
  ],
  "rights": null,
  "spatial": "-121.5339,37.4733,-72.2249,47.05",
  "title": "Algal and environmental data used to develop algal indicators for streamflow duration assessment methods in forested headwater streams"
}