@prefix dcat: <http://www.w3.org/ns/dcat#> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix gsp: <http://www.opengis.net/ont/geosparql#> .
@prefix locn: <http://www.w3.org/ns/locn#> .
@prefix vcard: <http://www.w3.org/2006/vcard/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://data.amerigeoss.org/dataset/57d62821-3ed5-4a08-ab73-95f4b6813723> a dcat:Dataset ;
    dct:description "This dataset describes the identification of phytoplankton to the lowest taxonomic level (typically species), as well as abundance (density) and biovolume from grab samples collected from Lake Michigan at Jackson Park at Hyde Park, Illinois and Lake Michigan at Jeorse Park at Gary, Indiana." ;
    dct:identifier "USGS:5bdf45a8e4b0b3fc5cf33030" ;
    dct:issued "2025-11-21T20:41:55.243254"^^xsd:dateTime ;
    dct:modified "20200827"^^xsd:gYear ;
    dct:publisher <https://data.amerigeoss.org/organization/727dbdd5-3f98-4ac0-9d28-5e344558139b> ;
    dct:spatial [ a dct:Location ;
            locn:geometry "POLYGON ((-87.5675 41.6520, -87.5675 41.7844, -87.4315 41.7844, -87.4315 41.6520, -87.5675 41.6520))"^^gsp:wktLiteral ] ;
    dct:title "Phytoplankton taxonomy, abundance, and biovolume from two urban beaches on Southern and Western Lake Michigan, 2016-2017" ;
    dcat:contactPoint [ a vcard:Organization ;
            vcard:fn "Travis R. Cole" ;
            vcard:hasEmail <mailto:tcole@usgs.gov> ] ;
    dcat:distribution <https://data.amerigeoss.org/dataset/57d62821-3ed5-4a08-ab73-95f4b6813723/resource/6d102e33-2ef4-4b4c-82da-e61a252cf581>,
        <https://data.amerigeoss.org/dataset/57d62821-3ed5-4a08-ab73-95f4b6813723/resource/8a112136-56c0-42d3-a487-99d0e8938f3c> ;
    dcat:keyword "algae",
        "algal-blooms",
        "amerigeo",
        "amerigeoss",
        "bacillariophyta",
        "bacteria",
        "beach-health",
        "chicago-il",
        "chlorophyta",
        "chrysophyta",
        "ckan",
        "cryptophyta",
        "cyanobacteria",
        "division",
        "euglenophyta",
        "freshwater",
        "gary-in",
        "genus",
        "geo",
        "geoss",
        "great-lakes",
        "human-health",
        "hyde-park",
        "illinois",
        "indiana",
        "jackson-park",
        "jeorse-park",
        "lake-michigan",
        "national",
        "nearshore",
        "north-america",
        "northwest-indiana",
        "phycology",
        "phytoplankton",
        "protists",
        "pyrrophyta",
        "species",
        "taxa",
        "taxonomy",
        "united-states",
        "usgs-5bdf45a8e4b0b3fc5cf33030",
        "usgs-station-id-04092440",
        "usgs-station-id-04092788" ;
    dcat:theme <%7Bgeospatial%7D> .

<https://data.amerigeoss.org/dataset/57d62821-3ed5-4a08-ab73-95f4b6813723/resource/6d102e33-2ef4-4b4c-82da-e61a252cf581> a dcat:Distribution ;
    dct:description "The metadata original format" ;
    dct:format "XML" ;
    dct:issued "2022-07-07T15:20:54.264036"^^xsd:dateTime ;
    dct:modified "2025-11-21T20:41:55.219592"^^xsd:dateTime ;
    dct:title "Original Metadata" ;
    dcat:accessURL <https://data.usgs.gov/datacatalog/metadata/USGS.5bdf45a8e4b0b3fc5cf33030.xml> ;
    dcat:mediaType "text/xml" .

<https://data.amerigeoss.org/dataset/57d62821-3ed5-4a08-ab73-95f4b6813723/resource/8a112136-56c0-42d3-a487-99d0e8938f3c> a dcat:Distribution ;
    dct:description "Landing page for access to the data" ;
    dct:format "XML" ;
    dct:issued "2022-07-07T15:20:54.264044"^^xsd:dateTime ;
    dct:modified "2025-11-21T20:41:55.220149"^^xsd:dateTime ;
    dct:title "Digital Data" ;
    dcat:accessURL <https://doi.org/10.5066/P981QCF7> ;
    dcat:mediaType "application/http" .

<https://data.amerigeoss.org/organization/727dbdd5-3f98-4ac0-9d28-5e344558139b> a foaf:Agent ;
    foaf:name "US Migrating" .