@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 xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://dataportal.ponderful.eu/dataset/51d9089a-7e7d-4d84-ba22-b5558b76c157> a dcat:Dataset ;
    dct:description """Extract from the national data base for phytoplankton in German lakes - Criteria for selection: a) sampling and analysis according the new national instruction (mainly year >2003) b) lake type within intercalibration type c) lowland lakes.\r
Data base includes quantitative phytoplankton lists, trophic parameter of sampling date and lake characters. \r
\r
More information on this dataset can be found in the Freshwater Metadatabase - BF_W_38-L-CAl (http://www.freshwatermetadata.eu/metadb/bf_mdb_view.php?entryID=BF_W_38-L-CAl).""" ;
    dct:identifier "51d9089a-7e7d-4d84-ba22-b5558b76c157" ;
    dct:issued "2017-06-23T14:46:01.402073"^^xsd:dateTime ;
    dct:modified "2017-06-23T14:46:01.419296"^^xsd:dateTime ;
    dct:publisher <https://dataportal.ponderful.eu/organization/922a02a7-6d2f-404a-8080-4d2e884f3d5f> ;
    dct:spatial [ a dct:Location ;
            locn:geometry "POLYGON ((5.9300 47.2700, 15.1200 47.2700, 15.1200 54.9800, 5.9300 54.9800, 5.9300 47.2700))"^^gsp:wktLiteral,
                "{\"type\": \"Polygon\", \"coordinates\": [[[5.93, 47.27], [15.12, 47.27], [15.12, 54.98], [5.93, 54.98], [5.93, 47.27]]]}"^^<https://www.iana.org/assignments/media-types/application/vnd.geo+json> ] ;
    dct:title "Phytoplankton German Lowland Lakes" ;
    dcat:distribution <https://dataportal.ponderful.eu/dataset/51d9089a-7e7d-4d84-ba22-b5558b76c157/resource/f12e16c0-1283-4b5c-84fb-e04a993d336d> ;
    dcat:keyword "Phytoplankton",
        "lakes characters",
        "lowland lakes",
        "trophic parameters" .

<https://dataportal.ponderful.eu/dataset/51d9089a-7e7d-4d84-ba22-b5558b76c157/resource/f12e16c0-1283-4b5c-84fb-e04a993d336d> a dcat:Distribution ;
    dct:issued "2017-06-23T16:46:01.432146"^^xsd:dateTime ;
    dct:modified "2017-06-23T16:46:01.432146"^^xsd:dateTime ;
    dct:title "Unnamed resource" ;
    dcat:accessURL <http://> .

<https://dataportal.ponderful.eu/organization/922a02a7-6d2f-404a-8080-4d2e884f3d5f> a foaf:Organization ;
    foaf:name "Freshwater Information Platform" .