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    <dataset>
        <alternateIdentifier>https://tryout.nlbif.nl/resource?r=nestkast_1</alternateIdentifier>
        <title xml:lang="eng">Historical breeding bird data from a national citizen science nest box monitoring initiative in the Netherlands, 1922–1950</title>
        <creator>
            <individualName>
                <givenName>Joseph B</givenName>
                <surName>Burant</surName>
            </individualName>
            <organizationName>Netherlands Institute of Ecology (NIOO-KNAW)</organizationName>
            <positionName>Researcher</positionName>
            <address>
                <city>Wageningen</city>
                <country>NL</country>
            </address>
            <electronicMailAddress>AnE_Data@nioo.knaw.nl</electronicMailAddress>
            <userId directory="https://orcid.org/">0000-0002-0713-3100</userId>
        </creator>
        <creator>
            <individualName>
                <givenName>Wietske E</givenName>
                <surName>Oosterkamp</surName>
            </individualName>
            <organizationName>Netherlands Institure of Ecology (NIOO-KNAW)</organizationName>
            <positionName>Research assistent data</positionName>
            <address>
                <city>Wageningen</city>
                <country>NL</country>
            </address>
            <electronicMailAddress>AnE_Data@nioo.knaw.nl</electronicMailAddress>
            <userId directory="https://orcid.org/">0009-0008-7113-2509</userId>
        </creator>
        <creator>
            <individualName>
                <givenName>Pratima</givenName>
                <surName>Thapa</surName>
            </individualName>
            <organizationName>Netherlands Institute of Ecology (NIOO-KNAW)</organizationName>
            <positionName>Research assistent</positionName>
            <address>
                <city>Wageningen</city>
                <country>NL</country>
            </address>
        </creator>
        <creator>
            <individualName>
                <givenName>Thijs</givenName>
                <surName>van Hofslot</surName>
            </individualName>
            <organizationName>Netherlands Institute of Ecology (NIOO-KNAW)</organizationName>
            <positionName>Student</positionName>
            <address>
                <city>Wageningen</city>
                <country>NL</country>
            </address>
        </creator>
        <creator>
            <individualName>
                <givenName>Marcel E</givenName>
                <surName>Visser</surName>
            </individualName>
            <organizationName>Netherlands Institute of Ecology (NIOO-KNAW)</organizationName>
            <positionName>Head of department</positionName>
            <address>
                <city>Wageningen</city>
                <country>NL</country>
            </address>
            <electronicMailAddress>AnE_Data@nioo.knaw.nl</electronicMailAddress>
            <userId directory="https://orcid.org/">0000-0002-1456-1939</userId>
        </creator>
        <creator>
            <individualName>
                <givenName>Stefan J G</givenName>
                <surName>Vriend</surName>
            </individualName>
            <organizationName>Netherlands Institute of Ecology (NIOO-KNAW)</organizationName>
            <positionName>Data manager</positionName>
            <address>
                <city>Wageningen</city>
                <country>NL</country>
            </address>
            <electronicMailAddress>AnE_Data@nioo.knaw.nl</electronicMailAddress>
            <userId directory="https://orcid.org/">0000-0002-9006-5988</userId>
        </creator>
        <metadataProvider>
            <individualName>
                <givenName>Wietske E</givenName>
                <surName>Oosterkamp</surName>
            </individualName>
            <organizationName>Netherlands Institute of Ecology (NIOO-KNAW)</organizationName>
            <positionName>Research assistent data</positionName>
            <address>
                <city>Wageningen</city>
                <country>NL</country>
            </address>
            <electronicMailAddress>AnE_Data@nioo.knaw.nl</electronicMailAddress>
            <userId directory="https://orcid.org/">0009-0008-7113-2509</userId>
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        <pubDate>
            2025-12-19
        </pubDate>
        <language>eng</language>
        <abstract>
            Historical breeding bird occurrence data collected by the Dutch Plantenziektekundige Dienst from 1922 to 1950. All data were originally collected by volunteers throughout the Netherlands by observation of nestboxes and wild nests. It includes 40.721 records across 28 years of 105 species.
        </abstract>
        <keywordSet>
            <keyword>birds presence; breeding birds; ecology; phenology; nest site; history</keyword>
            <keywordThesaurus>EnvThes: https://vocabs.lter-europe.net/EnvThes/en/</keywordThesaurus>
        </keywordSet>
        <keywordSet>
            <keyword>Occurrence</keyword>
            <keywordThesaurus>GBIF Dataset Type Vocabulary: http://rs.gbif.org/vocabulary/gbif/dataset_type_2015-07-10.xml</keywordThesaurus>
        </keywordSet>
        <intellectualRights>
            <para>This work is licensed under a <ulink url="http://creativecommons.org/licenses/by/4.0/legalcode"><citetitle>Creative Commons Attribution (CC-BY 4.0) License</citetitle></ulink>.</para>
        </intellectualRights>
        <licensed>
            <licenseName>Creative Commons Attribution 4.0 International</licenseName>
            <url>https://spdx.org/licenses/CC-BY-4.0.html</url>
            <identifier>CC-BY-4.0</identifier>
        </licensed>
        <distribution scope="document">
            <online>
                <url function="download">https://tryout.nlbif.nl/archive.do?r=nestkast_1</url>
            </online>
        </distribution>
        <coverage>
            <geographicCoverage>
                <geographicDescription>The Netherlands in the early twentieth century</geographicDescription>
                <boundingCoordinates>
                    <westBoundingCoordinate>3.357</westBoundingCoordinate>
                    <eastBoundingCoordinate>7.237</eastBoundingCoordinate>
                    <northBoundingCoordinate>53.437</northBoundingCoordinate>
                    <southBoundingCoordinate>50.771</southBoundingCoordinate>
                </boundingCoordinates>
            </geographicCoverage>
            <temporalCoverage>
                <rangeOfDates>
                    <beginDate>
                        <calendarDate>1922-03-17</calendarDate>
                    </beginDate>
                    <endDate>
                        <calendarDate>1950-05-27</calendarDate>
                    </endDate>
                </rangeOfDates>
            </temporalCoverage>
            <taxonomicCoverage>
                <taxonomicClassification>
                    <taxonRankName>class</taxonRankName>
                    <taxonRankValue>Avies</taxonRankValue>
                </taxonomicClassification>
            </taxonomicCoverage>
        </coverage>
        <maintenance>
            <description>
                <para></para>
            </description>
            <maintenanceUpdateFrequency>notPlanned</maintenanceUpdateFrequency>
        </maintenance>
        <contact>
            <individualName>
                <givenName>Joseph B</givenName>
                <surName>Burant</surName>
            </individualName>
            <organizationName>Netherlands Institute of Ecology (NIOO-KNAW)</organizationName>
            <positionName>Researcher</positionName>
            <address>
                <city>Wageningen</city>
                <country>NL</country>
            </address>
            <electronicMailAddress>AnE_Data@nioo.knaw.nl</electronicMailAddress>
            <userId directory="https://orcid.org/">0000-0002-0713-3100</userId>
        </contact>
        <methods>
            <methodStep>
                <description>
                    <para>Source files were scanned and digitized using the pre-trained Transkribus model &apos;The Text Titan I&apos; for text recognition, the &apos;Universal Lines&apos; model for layout recognition, and a machine learning model trained on 80 manually transcribed pages for table recognition. The raw text output was cleaned with manual review and automation using Python with pandas and regex libraries.</para>
                </description>
            </methodStep>
            <methodStep>
                <description>
                    <para>Datafication included standardizing area and observer names. All areas were manually geographically coded using historical Esri maps of the Netherlands. Species taxonomy was mapped to the vernacular names using the taxize package in R.</para>
                </description>
            </methodStep>
            <methodStep>
                <description>
                    <para>Quality control included reviewing suspicious values (e.g. outliers, improbable and impossible values) against the source material. The data was furhter validated against the original reports from the Plantenziektekundige Dienst (ongoing).</para>
                </description>
            </methodStep>
            <sampling>
                <studyExtent>
                    <description>
                        <para>various areas in the Netherlands</para>
                    </description>
                </studyExtent>
                <samplingDescription>
                    <para>Volunteers checked nests in nestboxes and a small number of wild nests. They recorded lay date, clutch size and brood size. These data were gathered into a physical dataset by the Plantenziektekundige Dienst.</para>
                </samplingDescription>
            </sampling>
        </methods>
        <project>
            <title>Nestkast 1.0</title>
            <personnel>
                <individualName>
                    <givenName>Joseph B</givenName>
                    <surName>Burant</surName>
                </individualName>
                <userId directory="https://orcid.org/">0000-0002-0713-3100</userId>
                <role></role>
            </personnel>
        </project>
    </dataset>
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        <metadata>
            <gbif>
                <dateStamp>2025-12-09T23:44:17.748+00:00</dateStamp>
                <hierarchyLevel>dataset</hierarchyLevel>
                <citation>Burant J B, Oosterkamp W E, Thapa P, van Hofslot T, Visser M E, Vriend S J G (2025). Historical breeding bird data from a national citizen science nest box monitoring initiative in the Netherlands, 1922–1950. Version 1.0. NIOO-KNAW. Occurrence dataset. https://tryout.nlbif.nl/resource?r=nestkast_1&amp;amp;v=1.0</citation>
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                            <formatVersion>V1</formatVersion>
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                    <distribution>
                        <online>
                            <url function="download">https://doi.org/10.34894/ZOAZP8</url>
                        </online>
                    </distribution>
                </physical>
                <dc:replaces>https://tryout.nlbif.nl/resource?id=nestkast_1/v1.5.xml</dc:replaces>
            </gbif>
        </metadata>
    </additionalMetadata>
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