{"accessLevel": "public", "bureauCode": ["010:12"], "contactPoint": {"@type": "vcard:Contact", "fn": "Science Data Coordinator", "hasEmail": "mailto:fresc_outreach@usgs.gov"}, "description": "This dataset contains information from egg mass surveys conducted 2001-2024 by USGS monitoring Oregon spotted frog (Rana pretiosa) and Northern red-legged frog (Rana aurora) breeding counts, phenology, and embryo viability. Oregon spotted frog breeding surveys were conducted at 9 ponds in a restored meadow in Deschutes National Forest in Deschutes County, Oregon. Northern red-legged frog breeding surveys were conducted at 5 \"dugout\" ponds in Ankeny National Wildlife Refuge in Marion County, Oregon. Data consist of numbers of unique egg masses detected each year during repeat surveys within the breeding season.", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://doi.org/10.5066/P1HMZ4XM", "description": "Landing page for access to the data", "format": "XML", "mediaType": "application/http", "title": "Digital Data"}, {"@type": "dcat:Distribution", "description": "The metadata original format", "downloadURL": "https://data.usgs.gov/datacatalog/metadata/USGS.6a2707df1ba49b9270585b62.xml", "format": "XML", "mediaType": "text/xml", "title": "Original Metadata"}], "identifier": "http://datainventory.doi.gov/id/dataset/USGS_6a2707df1ba49b9270585b62", "keyword": ["Cascade Mountain Range", "Central Oregon, USA", "Deschutes County", "Dilman Meadows", "Marion County", "Santiam River", "USGS:6a2707df1ba49b9270585b62", "Willamette River", "Willamette Valley", "amphibians", "aquatic biology", "biota", "environment", "freshwater ecosystems", "habitats", "inlandWaters", "native species", "population dynamics", "surface water (non-marine)"], "modified": "2026-08-24T00:00:00Z", "publisher": {"@type": "org:Organization", "name": "U.S. Geological Survey"}, "spatial": "-123.1375, 43.6619, -121.4703, 44.8271", "theme": ["geospatial"], "title": "Ranid frog breeding and drought at Dilman Meadow and Ankeny Dugouts, Oregon, 2001-2024"}