Gull and Tern Breeding Colonies on the North Arm of Great Slave Lake, Northwest Territories: 1986-2010

Description

Great Slave Lake in the Northwest Territories is one of the most important areas for inland breeding gulls and terns (larids) in northern Canada. Numerous rocky islands on the North Arm provide breeding habitat for a number of colonially-nesting larid species. Great Slave Lake is the only known breeding site for Caspian Terns in the Northwest Territories and the North Arm is the northernmost known breeding range for the species in North America. Given its importance to a variety of migrating, nesting and staging birds, various portions of the area have been recognized as; a Key Migratory Bird Terrestrial Habitat site, an Important Bird Area, and an International Biological Program site. This dataset contains results from surveys of active larid breeding colonies from between 1986 and 2010 on the portion of the North Arm west of Yellowknife. Most data were collected through ground surveys, with travel by boat, between mid June to early July. Information recorded at each colony included species, numbers of nests, clutch size, presence of chicks, and habitat characteristics (vegetation cover). The majority of larid colonies were located on islands along the northeastern shoreline. The southwest shoreline saw limited use by nesting larids due to the reduced number and different characteristics of the islands in that area. The most regularly occurring species were Herring Gull, Mew Gull, Ring-billed Gull, California Gull, Common Tern, Arctic Tern, and Caspian Tern. Results of these surveys have been published in the report “Gull and Tern Breeding Colonies on the North Arm of Great Slave Lake, Northwest Territories: 1986-2010 (Woodard, Fournier, and Robertson, 2013). Woodard, P.F., M.A. Fournier, and M.O. Wiebe Robertson. 2013. Gull and Tern Breeding Colonies on the North Arm of Great Slave Lake, Northwest Territories: 1986-2010. Technical Report Series No. 526, Canadian Wildlife Service, Yellowknife, NT. More details are available in the metadata document for download. CWS-North DatasetID: 071_0

Resources

Name Format Description Link
North_Arm_Larid_Surveys_Clutch_Data_Données_Couvée.csv CSV https://data-donnees.az.ec.gc.ca/api/file?path=%2Fspecies%2Fprotectrestore%2Fgull-and-tern-breeding-colonies-on-the-north-arm-of-great-slave-lake-northwest-territories1986-2010%2FNorth_Arm_Larid_Surveys_Clutch_Data_Donn%C3%A9es_Couv%C3%A9e.csv
North_Arm_Larid_Surveys_Data_Dictionary_Dictionaire_Données.csv CSV https://data-donnees.az.ec.gc.ca/api/file?path=%2Fspecies%2Fprotectrestore%2Fgull-and-tern-breeding-colonies-on-the-north-arm-of-great-slave-lake-northwest-territories1986-2010%2FNorth_Arm_Larid_Surveys_Data_Dictionary_Dictionaire_Donn%C3%A9es.csv
North_Arm_Larid_Surveys_Lookups_Recherches.csv CSV https://data-donnees.az.ec.gc.ca/api/file?path=%2Fspecies%2Fprotectrestore%2Fgull-and-tern-breeding-colonies-on-the-north-arm-of-great-slave-lake-northwest-territories1986-2010%2FNorth_Arm_Larid_Surveys_Lookups_Recherches.csv
North_Arm_Larid_Surveys_Metadata_Métadonnée.txt TXT https://data-donnees.az.ec.gc.ca/api/file?path=%2Fspecies%2Fprotectrestore%2Fgull-and-tern-breeding-colonies-on-the-north-arm-of-great-slave-lake-northwest-territories1986-2010%2FNorth_Arm_Larid_Surveys_Metadata_M%C3%A9tadonn%C3%A9e.txt
North_Arm_Larid_Surveys_Relevés.gdb.zip Unknown https://data-donnees.az.ec.gc.ca/api/file?path=%2Fspecies%2Fprotectrestore%2Fgull-and-tern-breeding-colonies-on-the-north-arm-of-great-slave-lake-northwest-territories1986-2010%2FNorth_Arm_Larid_Surveys_Relev%C3%A9s.gdb.zip
North_Arm_Larid_Surveys_Site_Description_Data_Données_Descriptives_Site.csv CSV https://data-donnees.az.ec.gc.ca/api/file?path=%2Fspecies%2Fprotectrestore%2Fgull-and-tern-breeding-colonies-on-the-north-arm-of-great-slave-lake-northwest-territories1986-2010%2FNorth_Arm_Larid_Surveys_Site_Description_Data_Donn%C3%A9es_Descriptives_Site.csv
North_Arm_Larid_Surveys_Site_Description_Data_Données_Descriptives_Site.kmz Unknown https://data-donnees.az.ec.gc.ca/api/file?path=%2Fspecies%2Fprotectrestore%2Fgull-and-tern-breeding-colonies-on-the-north-arm-of-great-slave-lake-northwest-territories1986-2010%2FNorth_Arm_Larid_Surveys_Site_Description_Data_Donn%C3%A9es_Descriptives_Site.kmz
North_Arm_Larid_Surveys_Site_Summary_Data_Données_Récapitulatives_Site.csv CSV https://data-donnees.az.ec.gc.ca/api/file?path=%2Fspecies%2Fprotectrestore%2Fgull-and-tern-breeding-colonies-on-the-north-arm-of-great-slave-lake-northwest-territories1986-2010%2FNorth_Arm_Larid_Surveys_Site_Summary_Data_Donn%C3%A9es_R%C3%A9capitulatives_Site.csv
North_Arm_Larid_Surveys_Site_Summary_Data_Données_Récapitulatives_Site.kmz Unknown https://data-donnees.az.ec.gc.ca/api/file?path=%2Fspecies%2Fprotectrestore%2Fgull-and-tern-breeding-colonies-on-the-north-arm-of-great-slave-lake-northwest-territories1986-2010%2FNorth_Arm_Larid_Surveys_Site_Summary_Data_Donn%C3%A9es_R%C3%A9capitulatives_Site.kmz
North_Arm_Larid_Surveys_Species_Codes_Espèces.csv CSV https://data-donnees.az.ec.gc.ca/api/file?path=%2Fspecies%2Fprotectrestore%2Fgull-and-tern-breeding-colonies-on-the-north-arm-of-great-slave-lake-northwest-territories1986-2010%2FNorth_Arm_Larid_Surveys_Species_Codes_Esp%C3%A8ces.csv
View ECCC Data Mart (English) HTML https://data-donnees.az.ec.gc.ca/data/species/protectrestore/gull-and-tern-breeding-colonies-on-the-north-arm-of-great-slave-lake-northwest-territories1986-2010?lang=en
View ECCC Data Mart (French) HTML https://data-donnees.az.ec.gc.ca/data/species/protectrestore/gull-and-tern-breeding-colonies-on-the-north-arm-of-great-slave-lake-northwest-territories1986-2010?lang=fr

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