@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/1df0ae25-7d4a-43dc-9f1d-16747b59d8f9> a dcat:Dataset ;
    dct:description "Spatial reconnaissance of fluvial microcystins (MC) concentrations and select water-quality parameters, including nutrients and periphyton biomass, in 75 wadeable streams in the Piedmont region of the southeastern USA during 2014. Data set includes only those data specifically discussed in the associated journal article: Loftin, K.A., Clark, J.M., Journey, C.A., Kolpin, D.W., Van Metre, P.C., and Bradley, P.M., 2016, Spatial and temporal variation in microcystins occurrence in wadeable streams in the southeastern USA: Environmental Toxicology and Chemistry, http://dx.doi.org/10.1002/etc.3391." ;
    dct:identifier "USGS:5697c1a2e4b039675d00a73e" ;
    dct:issued "2025-11-20T08:30:37.897000"^^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 ((-86.8552 33.0451, -86.8552 38.5306, -76.7917 38.5306, -76.7917 33.0451, -86.8552 33.0451))"^^gsp:wktLiteral ] ;
    dct:title "Periphyton (1993-2011) and Water Quality (2014) Data for ET&amp;C Article Entitled Spatial and Temporal Variation in Microcystins Occurrence in Wadeable Streams in the Southeastern USA" ;
    dcat:contactPoint [ a vcard:Organization ;
            vcard:fn "Paul M. Bradley" ;
            vcard:hasEmail <mailto:pbradley@usgs.gov> ] ;
    dcat:distribution <https://data.amerigeoss.org/dataset/1df0ae25-7d4a-43dc-9f1d-16747b59d8f9/resource/2c0c5b45-cae4-4683-b8ca-1967fa3cb9af>,
        <https://data.amerigeoss.org/dataset/1df0ae25-7d4a-43dc-9f1d-16747b59d8f9/resource/bc78c9ec-16aa-4aec-8863-612a1d76808d> ;
    dcat:keyword "2014",
        "alabama",
        "amerigeo",
        "amerigeoss",
        "april",
        "august",
        "ckan",
        "cyanobacteria",
        "geo",
        "georgia",
        "geoss",
        "harmful-algal-blooms",
        "headwater-streams",
        "july",
        "june",
        "may",
        "microcystin",
        "national",
        "north-america",
        "north-carolina",
        "october",
        "periphyton",
        "september",
        "south-carolina",
        "stream",
        "stream-channel",
        "summer",
        "united-states",
        "usgs-5697c1a2e4b039675d00a73e",
        "virginia",
        "wadable-streams" ;
    dcat:theme <%7Bgeospatial%7D> .

<https://data.amerigeoss.org/dataset/1df0ae25-7d4a-43dc-9f1d-16747b59d8f9/resource/2c0c5b45-cae4-4683-b8ca-1967fa3cb9af> a dcat:Distribution ;
    dct:description "Landing page for access to the data" ;
    dct:format "XML" ;
    dct:issued "2022-07-07T15:51:38.631633"^^xsd:dateTime ;
    dct:modified "2025-11-20T08:30:37.881793"^^xsd:dateTime ;
    dct:title "Digital Data" ;
    dcat:accessURL <http://dx.doi.org/10.5066/F7VQ30RM> ;
    dcat:mediaType "application/http" .

<https://data.amerigeoss.org/dataset/1df0ae25-7d4a-43dc-9f1d-16747b59d8f9/resource/bc78c9ec-16aa-4aec-8863-612a1d76808d> a dcat:Distribution ;
    dct:description "The metadata original format" ;
    dct:format "XML" ;
    dct:issued "2022-07-07T15:51:38.631626"^^xsd:dateTime ;
    dct:modified "2025-11-20T08:30:37.881375"^^xsd:dateTime ;
    dct:title "Original Metadata" ;
    dcat:accessURL <https://data.usgs.gov/datacatalog/metadata/USGS.5697c1a2e4b039675d00a73e.xml> ;
    dcat:mediaType "text/xml" .

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

