@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 owl: <http://www.w3.org/2002/07/owl#> .
@prefix schema: <http://schema.org/> .
@prefix vcard: <http://www.w3.org/2006/vcard/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://data.g-e-m.dk/datasets/10.17897/5S51-HE52> a schema:DataDownload,
        schema:Dataset,
        dcat:Dataset,
        dcat:Distribution,
        foaf:Document ;
    dct:bibliographicCitation "Read the documentation, GEM terms of use and how to cite: https://data.g-e-m.dk/guides. Please get in touch with the GEM secretariat if you need help to cite correctly." ;
    dct:description "Data on nest phenology of breeding birds. For further details, please refer to the newest BioBasis manual available at the website." ;
    dct:identifier "https://data.g-e-m.dk/datasets/10.17897/5S51-HE52" ;
    dct:issued "2026-05-20T13:14:54.404370"^^xsd:dateTime,
        "2026-05-20T16:13:00.544216"^^xsd:dateTime ;
    dct:modified "2026-05-20T16:13:00.442595"^^xsd:dateTime,
        "2026-05-20T16:13:00.446046"^^xsd:dateTime ;
    dct:publisher [ a foaf:Agent ;
            foaf:homepage <https://data.g-e-m.dk> ;
            foaf:name "Greenland Ecosystem Monitoring" ],
        [ a foaf:Agent ;
            foaf:homepage <https://data.g-e-m.dk> ;
            foaf:name "Greenland Ecosystem Monitoring" ] ;
    dct:spatial [ a dct:Location ;
            locn:geometry "POLYGON ((-20.5700 74.4700, -20.5700 74.4700, -20.5700 74.4700, -20.5700 74.4700))"^^gsp:wktLiteral ] ;
    dct:temporal [ a dct:PeriodOfTime ;
            dcat:endDate "2025-01-01"^^xsd:date ;
            dcat:startDate "1995-01-01"^^xsd:date ],
        [ a dct:PeriodOfTime ;
            dcat:endDate "2025-01-01"^^xsd:date ;
            dcat:startDate "1995-01-01"^^xsd:date ] ;
    dct:title "Bird breeding phenology, nests" ;
    schema:about [ a schema:Thing ;
            schema:name "zackenberg-research-station" ] ;
    schema:citation "Read the documentation, GEM terms of use and how to cite: https://data.g-e-m.dk/guides. Please get in touch with the GEM secretariat if you need help to cite correctly." ;
    schema:creator [ a schema:Organization ;
            schema:contactPoint [ a schema:ContactPoint ;
                    schema:contactType "customer service" ;
                    schema:name "University of Copenhagen (UCPH - Partner 3)" ;
                    schema:url "https://data.g-e-m.dk/datasets/10.17897/5S51-HE52" ] ;
            schema:name "University of Copenhagen (UCPH - Partner 3)" ] ;
    schema:dateModified "2026-05-20T16:13:00.442595" ;
    schema:datePublished "2020-01-01",
        "2020-01-01T00:00:00" ;
    schema:description "Data on nest phenology of breeding birds. For further details, please refer to the newest BioBasis manual available at the website." ;
    schema:distribution <https://data.g-e-m.dk/datasets/10.17897/5S51-HE52> ;
    schema:identifier "https://data.g-e-m.dk/datasets/10.17897/5S51-HE52" ;
    schema:keywords "ARCTIC",
        "BIOLOGY",
        "BIOSPHERE",
        "BIRDS",
        "CLIMATE INDICATORS",
        "ECOSYSTEMS",
        "GREENLAND",
        "POPULATION DYNAMICS",
        "TERRESTRIAL ECOSYSTEMS" ;
    schema:license "https://creativecommons.org/licenses/by-sa/4.0/" ;
    schema:name "Bird breeding phenology, nests" ;
    schema:publisher [ a schema:Organization ;
            schema:contactPoint [ a schema:ContactPoint ;
                    schema:contactType "customer service" ;
                    schema:name "Greenland Ecosystem Monitoring" ;
                    schema:url "https://data.g-e-m.dk" ] ;
            schema:name "Greenland Ecosystem Monitoring" ] ;
    schema:spatialCoverage [ a schema:Place ;
            schema:geo [ a schema:GeoShape ;
                    schema:polygon "{\"type\": \"Polygon\", \"coordinates\": [[[-20.57, 74.47], [-20.57, 74.47], [-20.57, 74.47], [-20.57, 74.47]]]}" ] ] ;
    schema:temporalCoverage "1995-01-01/2025-01-01" ;
    schema:url "https://data.g-e-m.dk/datasets/10.17897/5S51-HE52" ;
    schema:variableMeasured [ a schema:PropertyValue ;
            schema:description "The day the first egg was laid; found rarely by observation, or by calculating it from the incubational stage of the egg. This stage is found by the flotation.  9999-01-01 indicates no date available.method. None available dates have been given 9999-01-01, and should be ignored. 9999-01-01 indicates no date available." ;
            schema:name "FirstEggDate" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/5S51-HE52#column=FirstEggDate> ;
            schema:unitText "Date" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/5S51-HE52#column=FirstEggDate> ],
        [ a schema:PropertyValue ;
            schema:description "Nest ID" ;
            schema:name "NestID" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/5S51-HE52#column=NestID> ;
            schema:unitText "Text" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/5S51-HE52#column=NestID> ],
        [ a schema:PropertyValue ;
            schema:description "Remarks" ;
            schema:name "Remarks" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/5S51-HE52#column=Remarks> ;
            schema:unitText "Text" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/5S51-HE52#column=Remarks> ],
        [ a schema:PropertyValue ;
            schema:description "Year of investigation" ;
            schema:name "Year" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/5S51-HE52#column=Year> ;
            schema:unitText "Number" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/5S51-HE52#column=Year> ],
        [ a schema:PropertyValue ;
            schema:description "Scientific species name" ;
            schema:name "Species" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/5S51-HE52#column=Species> ;
            schema:unitText "Text" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/5S51-HE52#column=Species> ],
        [ a schema:PropertyValue ;
            schema:description "The number of eggs laid in this nest" ;
            schema:name "EggsLaid" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/5S51-HE52#column=EggsLaid> ;
            schema:unitText "Number" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/5S51-HE52#column=EggsLaid> ],
        [ a schema:PropertyValue ;
            schema:description "Position UTM 27X North" ;
            schema:name "Northing" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/5S51-HE52#column=Northing> ;
            schema:unitText "M" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/5S51-HE52#column=Northing> ],
        [ a schema:PropertyValue ;
            schema:description "Describes whether the clutch from a nest was successful (Hatching) or unsuccessful (Predation, Desertion, Flooding, Trampling or unknown; the latter often supplemented with suggestions of the fate in Remarks)." ;
            schema:name "Fate" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/5S51-HE52#column=Fate> ;
            schema:unitText "Text" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/5S51-HE52#column=Fate> ],
        [ a schema:PropertyValue ;
            schema:description "Position UTM 27X East" ;
            schema:name "Easting" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/5S51-HE52#column=Easting> ;
            schema:unitText "M" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/5S51-HE52#column=Easting> ],
        [ a schema:PropertyValue ;
            schema:description "This code signifies with which method the 1st egg date and hatch date were found. 9999-01-01 indicates no date available." ;
            schema:name "Accuracy" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/5S51-HE52#column=Accuracy> ;
            schema:unitText "Number" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/5S51-HE52#column=Accuracy> ],
        [ a schema:PropertyValue ;
            schema:description "The day the first (or more) chick is hatched, either from direct observation or calcualted from the 1st egg date.  9999-01-01 indicates no date available." ;
            schema:name "HatchingDate" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/5S51-HE52#column=HatchingDate> ;
            schema:unitText "Date" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/5S51-HE52#column=HatchingDate> ],
        [ a schema:PropertyValue ;
            schema:description "The number of chicks hatched in this nest" ;
            schema:name "PulliHatched" ;
            schema:propertyID <https://data.g-e-m.dk/datasets/10.17897/5S51-HE52#column=PulliHatched> ;
            schema:unitText "Number" ;
            schema:url <https://data.g-e-m.dk/datasets/10.17897/5S51-HE52#column=PulliHatched> ] ;
    schema:version "1" ;
    owl:versionInfo "1" ;
    dcat:accessURL <https://data.g-e-m.dk/datasets/10.17897/5S51-HE52> ;
    dcat:contactPoint [ a vcard:Organization ;
            vcard:fn "[{\"author_name\": \"Greenland Ecosystem Monitoring\"}]" ] ;
    dcat:distribution <https://data.g-e-m.dk/datasets/10.17897/5S51-HE52> ;
    dcat:keyword "ARCTIC",
        "BIOLOGY",
        "BIOSPHERE",
        "BIRDS",
        "CLIMATE INDICATORS",
        "ECOSYSTEMS",
        "GREENLAND",
        "POPULATION DYNAMICS",
        "TERRESTRIAL ECOSYSTEMS" ;
    dcat:landingPage <https://data.g-e-m.dk/datasets/10.17897/5S51-HE52> ;
    dcat:theme "zackenberg-research-station" .