{"id":"https://openalex.org/W2997101757","doi":null,"title":"Ideal free eagles: Bald eagle distribution patterns and use of kleptoparasitism on salmon rivers","display_name":"Ideal free eagles: Bald eagle distribution patterns and use of kleptoparasitism on salmon rivers","publication_year":2019,"publication_date":"2019-05-15","ids":{"openalex":"https://openalex.org/W2997101757","mag":"2997101757"},"language":"en","primary_location":{"id":"pmh:oai:summit.sfu.ca:19334","doi":null,"is_oa":true,"landing_page_url":"http://summit.sfu.ca/item/19334","pdf_url":"http://summit.sfu.ca/item/19334","source":{"id":"https://openalex.org/S4306400490","display_name":"Summit (Simon Fraser University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I18014758","host_organization_name":"Simon Fraser University","host_organization_lineage":["https://openalex.org/I18014758"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Thesis"},"volume":null,"type":"dissertation","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://summit.sfu.ca/item/19334","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5069496773","display_name":"Kristen Walters","orcid":"https://orcid.org/0000-0002-9424-9688","observed_orcids":["https://orcid.org/0000-0002-9424-9688"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Kristen Walters","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-9424-9688","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5069496773"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10089","display_name":"Avian ecology and behavior","score":0.92330002784729,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10089","display_name":"Avian ecology and behavior","score":0.92330002784729,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10199","display_name":"Wildlife Ecology and Conservation","score":0.05119999870657921,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10174","display_name":"Animal Behavior and Reproduction","score":0.010999999940395355,"subfield":{"id":"https://openalex.org/subfields/1105","display_name":"Ecology, Evolution, Behavior and Systematics"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/bald-eagle","display_name":"bald eagle","score":0.9980000257492065},{"id":"https://openalex.org/keywords/ideal-free-distribution","display_name":"ideal free distribution","score":0.8130000233650208},{"id":"https://openalex.org/keywords/kleptoparasitism","display_name":"kleptoparasitism","score":0.9959999918937683},{"id":"https://openalex.org/keywords/salmon-carcasses","display_name":"salmon carcasses","score":0.9779999852180481},{"id":"https://openalex.org/keywords/salmon-migration","display_name":"salmon migration","score":0.5189999938011169},{"id":"https://openalex.org/keywords/scavenging","display_name":"scavenging","score":0.7210000157356262},{"id":"https://openalex.org/keywords/autumn-migration","display_name":"autumn migration","score":0.41499999165534973},{"id":"https://openalex.org/keywords/foraging-behavior","display_name":"foraging behavior","score":0.6520000100135803},{"id":"https://openalex.org/keywords/predator-aggregation","display_name":"predator aggregation","score":0.37400001287460327},{"id":"https://openalex.org/keywords/vancouver-island","display_name":"Vancouver Island","score":0.515999972820282}],"concepts":[{"id":"https://openalex.org/C2780614658","wikidata":"https://www.wikidata.org/wiki/Q1479109","display_name":"Kleptoparasitism","level":3,"score":0.7189176678657532},{"id":"https://openalex.org/C2911120890","wikidata":"https://www.wikidata.org/wiki/Q127216","display_name":"Bald eagle","level":2,"score":0.7049866914749146},{"id":"https://openalex.org/C505870484","wikidata":"https://www.wikidata.org/wiki/Q180538","display_name":"Fishery","level":1,"score":0.5301191210746765},{"id":"https://openalex.org/C110121322","wikidata":"https://www.wikidata.org/wiki/Q865811","display_name":"Distribution (mathematics)","level":2,"score":0.4395481050014496},{"id":"https://openalex.org/C2776639384","wikidata":"https://www.wikidata.org/wiki/Q840396","display_name":"Ideal (ethics)","level":2,"score":0.4314950704574585},{"id":"https://openalex.org/C2777859753","wikidata":"https://www.wikidata.org/wiki/Q5987981","display_name":"Ideal free distribution","level":3,"score":0.4235069453716278},{"id":"https://openalex.org/C90856448","wikidata":"https://www.wikidata.org/wiki/Q431","display_name":"Zoology","level":1,"score":0.3954811692237854},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.33514130115509033},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.3128550946712494},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.23855382204055786},{"id":"https://openalex.org/C165287380","wikidata":"https://www.wikidata.org/wiki/Q2916569","display_name":"Foraging","level":2,"score":0.1342625916004181},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.12031733989715576},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.07667967677116394},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.047451674938201904},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"pmh:oai:summit.sfu.ca:19334","doi":null,"is_oa":true,"landing_page_url":"http://summit.sfu.ca/item/19334","pdf_url":"http://summit.sfu.ca/item/19334","source":{"id":"https://openalex.org/S4306400490","display_name":"Summit (Simon Fraser University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I18014758","host_organization_name":"Simon Fraser University","host_organization_lineage":["https://openalex.org/I18014758"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Thesis"},{"id":"pmh:oai:summit.sfu.ca:node-19334","doi":null,"is_oa":false,"landing_page_url":"https://summit.sfu.ca/_flysystem/fedora/sfu_migrate/19334/etd20324_KWalters.pdf","pdf_url":"https://summit.sfu.ca/_flysystem/fedora/sfu_migrate/19334/etd20324_KWalters.pdf","source":{"id":"https://openalex.org/S4306400490","display_name":"Summit (Simon Fraser University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I18014758","host_organization_name":"Simon Fraser University","host_organization_lineage":["https://openalex.org/I18014758"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},{"id":"mag:2997101757","doi":null,"is_oa":false,"landing_page_url":"https://summit.sfu.ca/system/files/iritems1/19334/etd20324_KWalters.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":{"id":"pmh:oai:summit.sfu.ca:19334","doi":null,"is_oa":true,"landing_page_url":"http://summit.sfu.ca/item/19334","pdf_url":"http://summit.sfu.ca/item/19334","source":{"id":"https://openalex.org/S4306400490","display_name":"Summit (Simon Fraser University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I18014758","host_organization_name":"Simon Fraser University","host_organization_lineage":["https://openalex.org/I18014758"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Thesis"},"sustainable_development_goals":[{"score":0.4390000104904175,"id":"https://metadata.un.org/sdg/15","display_name":"Life on land"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2997101757.pdf","grobid_xml":"https://content.openalex.org/works/W2997101757.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W3174602895","https://openalex.org/W4298144912","https://openalex.org/W2898660843","https://openalex.org/W4248526914","https://openalex.org/W2318673131","https://openalex.org/W4288733904","https://openalex.org/W7139153402","https://openalex.org/W7112127781","https://openalex.org/W2483305770","https://openalex.org/W2157397213"],"abstract_inverted_index":{"During":[0],"the":[1,22,37,66,78,82,91,96,110,113,116,128],"autumn,":[2],"migrating":[3],"bald":[4],"eagles":[5,25,64,106],"(Haliaeetus":[6],"leucocephalus)":[7],"aggregate":[8],"on":[9,29],"coastal":[10],"rivers":[11,35,79],"to":[12,81],"scavenge":[13],"post-spawning":[14],"salmon":[15,27,72,125],"carcasses.":[16],"In":[17],"this":[18],"thesis,":[19],"I":[20,88],"measured":[21],"abundance":[23,54,70,126],"of":[24,32,40,63,71,84,93,98,112,134,138],"and":[26,57,68,74,100,115,132],"carcasses":[28,46],"a":[30],"set":[31],"four":[33],"adjacent":[34],"along":[36],"east":[38],"coast":[39],"Vancouver":[41],"Island,":[42],"British":[43],"Columbia.":[44],"Salmon":[45],"first":[47],"appeared":[48],"in":[49,53],"late":[50],"September,":[51],"increased":[52],"until":[55],"mid-November,":[56],"thereafter":[58],"declined.":[59],"The":[60],"total":[61],"number":[62],"tracked":[65],"temporal":[67],"spatial":[69],"carcasses,":[73],"generally":[75],"distributed":[76],"across":[77],"according":[80],"predictions":[83],"Ideal":[85],"Free":[86],"Distribution.":[87],"determined":[89],"that":[90,102,124],"incidence":[92],"kleptoparasitism":[94,103,135],"matched":[95],"distribution":[97,130],"eagles,":[99],"found":[101],"attempts":[104],"between":[105],"were":[107],"affected":[108],"by":[109],"age":[111],"attacker":[114],"behavioural":[117],"tactic":[118],"used.":[119],"Overall,":[120],"my":[121],"results":[122],"indicate":[123],"affects":[127],"regional":[129],"patterns":[131],"use":[133],"among":[136],"aggregations":[137],"foraging":[139],"eagles.":[140]},"counts_by_year":[],"updated_date":"2026-08-30T07:30:35.949966","created_date":"2020-01-10T00:00:00"}
