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

<https://data.amerigeoss.org/dataset/31fd3941-fcd5-45b4-bcce-a55443811e02> a dcat:Dataset ;
    dct:description """The data are maintained by the USGS (https://www.pwrc.usgs.gov/bbs/RawData/)  and provides information on the trends and status of North American bird populations reported as a population abundance index. This dataset is not publicly accessible because: It is secondary data maintained by USGS. It can be accessed through the following means: https://www.pwrc.usgs.gov/bbs/RawData/). Format: Electronic text files. 

This dataset is associated with the following publication:
Sundstrom, S., T. Eason, J. Nelson, D. Angeler, C. Barichievy, A. Garmestani, N. Graham, D. Granholm, L. Gunderson, M. Knutson, K. Nash, M. Nystrom, T. Spanbauer, C. Stow, and C. Allen. Detecting spatial regimes in ecosystems.   ECOLOGY LETTERS. Blackwell Publishing, Malden, MA, USA, 20(1): 19-32, (2017).""" ;
    dct:identifier "A-wh7r-665" ;
    dct:issued "2025-09-24T22:41:49.066851"^^xsd:dateTime ;
    dct:modified "2017-04-25"^^xsd:date ;
    dct:publisher <https://data.amerigeoss.org/organization/727dbdd5-3f98-4ac0-9d28-5e344558139b> ;
    dct:title "Breeding bird survey data" ;
    dcat:contactPoint [ a vcard:Organization ;
            vcard:fn "Tarsha Eason" ;
            vcard:hasEmail <mailto:eason.tarsha@epa.gov> ] ;
    dcat:keyword "AmeriGEO",
        "AmeriGEOSS",
        "CKAN",
        "GEO",
        "GEOSS",
        "National",
        "North America",
        "United States",
        "breeding-bird-survey",
        "community-structure",
        "complex-systems",
        "environmental-change",
        "governance",
        "law-and-policy",
        "leading-indicators",
        "north-america",
        "resilience",
        "usgs" .

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