{"accessLevel": "public", "bureauCode": ["010:12"], "contactPoint": {"@type": "vcard:Contact", "fn": "Brian P O'Malley", "hasEmail": "mailto:bomalley@usgs.gov"}, "description": "This data release includes Lake Ontario prey fish data including species captured, relative abundance, spatial distribution, size structure, and age data from the benthic prey fish and yellow perch bottom trawl surveys, 1978 through 2024. Data from 1978 - 2014 are from U.S. waters of Lake Ontario while data from 2015 - 2024 include both U.S. and Canadian waters of Lake Ontario. Details about the vessel and gear descriptions, sampling protocols, and catch processing protocols are provided in the associated metadata.", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://doi.org/10.5066/P1L8NKCO", "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.6818ffacd4be0208bc3e0195.xml", "format": "XML", "mediaType": "text/xml", "title": "Original Metadata"}], "identifier": "http://datainventory.doi.gov/id/dataset/USGS_6818ffacd4be0208bc3e0195", "keyword": ["Alewife", "Alosa pseudoharengus", "Bloater", "Cisco", "Coregonus hoyi", "Cottus cognatus", "Deepwater Sculpin", "Lake Ontario", "Myoxocephalus thompsonii", "Neogobius melanostomus", "New York", "Ontario", "Osmerus mordax", "Perca flavescens", "Rainbow Smelt", "Round Goby", "Slimy Sculpin", "USGS:6818ffacd4be0208bc3e0195", "Yellow Perch", "biota", "bottom trawl", "field sampling", "fish", "freshwater ecosystems", "inlandWaters", "population dynamics", "prey fish"], "modified": "2025-07-25T00:00:00Z", "publisher": {"@type": "org:Organization", "name": "U.S. Geological Survey"}, "spatial": "-79.9915, 43.1331, -76.0693, 44.2531", "theme": ["geospatial"], "title": "Lake Ontario Benthic Prey Fish Bottom Trawl Survey, 1978-2024"}