{"id":"https://openalex.org/W2108398571","doi":"https://doi.org/10.1111/j.1474-919x.2005.00412.x","title":"Population size and trends of the Gal\u00e1pagos Penguin Spheniscus mendiculus","display_name":"Population size and trends of the Gal\u00e1pagos Penguin Spheniscus mendiculus","publication_year":2005,"publication_date":"2005-03-30","ids":{"openalex":"https://openalex.org/W2108398571","doi":"https://doi.org/10.1111/j.1474-919x.2005.00412.x","mag":"2108398571"},"language":"en","primary_location":{"id":"doi:10.1111/j.1474-919x.2005.00412.x","doi":"https://doi.org/10.1111/j.1474-919x.2005.00412.x","is_oa":false,"landing_page_url":"https://doi.org/10.1111/j.1474-919x.2005.00412.x","pdf_url":null,"source":{"id":"https://openalex.org/S4147745","display_name":"Ibis","issn_l":"0019-1019","issn":["0019-1019","1474-919X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-a","jufo-1","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Ibis","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5110482113","display_name":"Hern\u00e1n A. Vargas","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I126860399","display_name":"Charles Darwin Foundation","ror":"https://ror.org/01h9g5w38","country_code":"EC","type":"nonprofit","lineage":["https://openalex.org/I126860399"]},{"id":"https://openalex.org/I40120149","display_name":"University of Oxford","ror":"https://ror.org/052gg0110","country_code":"GB","type":"education","lineage":["https://openalex.org/I40120149"]}],"countries":["EC","GB"],"is_corresponding":true,"raw_author_name":"HERN\u00c1N VARGAS","raw_affiliation_strings":["Charles Darwin Foundation, Isla Santa Cruz, Gala\u0301pagos, Ecuador","Wildlife Conservation Research Unit, Department of Zoology, University of Oxford, Oxford OX1 3PS, UK","Charles Darwin Foundation, Isla Santa Cruz, Gal\u00e1pagos, Ecuador"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Charles Darwin Foundation, Isla Santa Cruz, Gala\u0301pagos, Ecuador","institution_ids":["https://openalex.org/I126860399"]},{"raw_affiliation_string":"Wildlife Conservation Research Unit, Department of Zoology, University of Oxford, Oxford OX1 3PS, UK","institution_ids":["https://openalex.org/I40120149"]},{"raw_affiliation_string":"Charles Darwin Foundation, Isla Santa Cruz, Gal\u00e1pagos, Ecuador","institution_ids":["https://openalex.org/I126860399"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045531166","display_name":"Cecilia Lougheed","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I126860399","display_name":"Charles Darwin Foundation","ror":"https://ror.org/01h9g5w38","country_code":"EC","type":"nonprofit","lineage":["https://openalex.org/I126860399"]}],"countries":["EC"],"is_corresponding":false,"raw_author_name":"CECILIA LOUGHEED","raw_affiliation_strings":["Canadian Wildlife Service, Ottawa, Ontario K1A 0H3, Canada","Charles Darwin Foundation, Isla Santa Cruz, Gala\u0301pagos, Ecuador","Charles Darwin Foundation, Isla Santa Cruz, Gal\u00e1pagos, Ecuador"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Canadian Wildlife Service, Ottawa, Ontario K1A 0H3, Canada","institution_ids":[]},{"raw_affiliation_string":"Charles Darwin Foundation, Isla Santa Cruz, Gala\u0301pagos, Ecuador","institution_ids":["https://openalex.org/I126860399"]},{"raw_affiliation_string":"Charles Darwin Foundation, Isla Santa Cruz, Gal\u00e1pagos, Ecuador","institution_ids":["https://openalex.org/I126860399"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5070916283","display_name":"Howard L. Snell","orcid":"https://orcid.org/0000-0001-8770-7540","observed_orcids":["https://orcid.org/0000-0001-8770-7540"]},"institutions":[{"id":"https://openalex.org/I126860399","display_name":"Charles Darwin Foundation","ror":"https://ror.org/01h9g5w38","country_code":"EC","type":"nonprofit","lineage":["https://openalex.org/I126860399"]},{"id":"https://openalex.org/I169521973","display_name":"University of New Mexico","ror":"https://ror.org/05fs6jp91","country_code":"US","type":"education","lineage":["https://openalex.org/I169521973"]}],"countries":["EC","US"],"is_corresponding":false,"raw_author_name":"HOWARD SNELL","raw_affiliation_strings":["Charles Darwin Foundation, Isla Santa Cruz, Gala\u0301pagos, Ecuador","Department of Biology & Museum of Southwestern Biology, University of New Mexico, Albuquerque, NM 87131, USA","Charles Darwin Foundation, Isla Santa Cruz, Gal\u00e1pagos, Ecuador"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Charles Darwin Foundation, Isla Santa Cruz, Gala\u0301pagos, Ecuador","institution_ids":["https://openalex.org/I126860399"]},{"raw_affiliation_string":"Department of Biology & Museum of Southwestern Biology, University of New Mexico, Albuquerque, NM 87131, USA","institution_ids":["https://openalex.org/I169521973"]},{"raw_affiliation_string":"Charles Darwin Foundation, Isla Santa Cruz, Gal\u00e1pagos, Ecuador","institution_ids":["https://openalex.org/I126860399"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5110482113"],"corresponding_institution_ids":["https://openalex.org/I126860399","https://openalex.org/I40120149"],"apc_list":{"value":4480,"currency":"USD","value_usd":4480},"apc_paid":null,"fwci":3.5306,"has_fulltext":false,"cited_by_count":38,"citation_normalized_percentile":{"value":0.91941585,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"147","issue":"2","first_page":"367","last_page":"374"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10089","display_name":"Avian ecology and behavior","score":0.8925999999046326,"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":0.8925999999046326,"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/T13546","display_name":"Census and Population Estimation","score":0.07930000126361847,"subfield":{"id":"https://openalex.org/subfields/2613","display_name":"Statistics and Probability"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10659","display_name":"Marine animal studies overview","score":0.010900000110268593,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/galapagos-penguin","display_name":"Gal\u00e1pagos penguin","score":0.9629999995231628},{"id":"https://openalex.org/keywords/spheniscus-mendiculus","display_name":"Spheniscus mendiculus","score":1.0},{"id":"https://openalex.org/keywords/population-size-estimation","display_name":"population size estimation","score":0.9300000071525574},{"id":"https://openalex.org/keywords/population-trends","display_name":"population trends","score":0.8989999890327454},{"id":"https://openalex.org/keywords/population-decline-ecology","display_name":"population decline (ecology)","score":0.703000009059906},{"id":"https://openalex.org/keywords/el-nino","display_name":"El Ni\u00f1o","score":0.9020000100135803},{"id":"https://openalex.org/keywords/penguin-conservation","display_name":"penguin conservation","score":0.5759999752044678},{"id":"https://openalex.org/keywords/galapagos-islands","display_name":"Gal\u00e1pagos Islands","score":0.8629999756813049}],"concepts":[{"id":"https://openalex.org/C52130261","wikidata":"https://www.wikidata.org/wiki/Q39825","display_name":"Census","level":3,"score":0.802997350692749},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.7000502347946167},{"id":"https://openalex.org/C169733012","wikidata":"https://www.wikidata.org/wiki/Q1613416","display_name":"Population size","level":3,"score":0.6886512637138367},{"id":"https://openalex.org/C204207459","wikidata":"https://www.wikidata.org/wiki/Q33837","display_name":"Archipelago","level":2,"score":0.6573496460914612},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.5836761593818665},{"id":"https://openalex.org/C149923435","wikidata":"https://www.wikidata.org/wiki/Q37732","display_name":"Demography","level":1,"score":0.5275863409042358},{"id":"https://openalex.org/C44249647","wikidata":"https://www.wikidata.org/wiki/Q208498","display_name":"Confidence interval","level":2,"score":0.5015034675598145},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.4412135183811188},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.22707492113113403},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.047191321849823},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1111/j.1474-919x.2005.00412.x","doi":"https://doi.org/10.1111/j.1474-919x.2005.00412.x","is_oa":false,"landing_page_url":"https://doi.org/10.1111/j.1474-919x.2005.00412.x","pdf_url":null,"source":{"id":"https://openalex.org/S4147745","display_name":"Ibis","issn_l":"0019-1019","issn":["0019-1019","1474-919X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-a","jufo-1","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Ibis","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.600.5145","doi":null,"is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.600.5145","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://academic.regis.edu/ckleier/Ecology/Population_size_galapagos_penguin.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W123730344","https://openalex.org/W202961156","https://openalex.org/W563417370","https://openalex.org/W2073096671","https://openalex.org/W2080425632","https://openalex.org/W2092497323","https://openalex.org/W2108232730","https://openalex.org/W2136649945","https://openalex.org/W2183223649","https://openalex.org/W2323958937","https://openalex.org/W2331364632","https://openalex.org/W2333525369","https://openalex.org/W2520674584","https://openalex.org/W4238536565","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W2323958937","https://openalex.org/W7097104751","https://openalex.org/W2420884757","https://openalex.org/W2331364632","https://openalex.org/W7097483851","https://openalex.org/W2091849207","https://openalex.org/W4288422723","https://openalex.org/W2389337514","https://openalex.org/W659613029","https://openalex.org/W1564452664"],"abstract_inverted_index":{"We":[0,71],"applied":[1,73],"a":[2,94,137],"capture\u2013mark\u2013resight":[3],"(CMR)":[4],"method":[5],"to":[6,54,83],"estimate":[7,53],"the":[8,12,42,55,61,65,74,79,104,112,119,123],"population":[9,44,62,96,114,150],"size":[10,63,115],"of":[11,30,41,97,107],"Gal\u00e1pagos":[13],"Penguin":[14,113],"Spheniscus":[15],"mendiculus.":[16],"In":[17],"1999,":[18],"we":[19,58],"estimated":[20,37,59,93],"1198":[21],"individuals,":[22,34],"with":[23,159],"lower":[24],"and":[25,32,36,90,92,136,154],"upper":[26],"95%":[27],"confidence":[28],"limits":[29],"1054":[31],"1403":[33],"respectively,":[35],"that":[38,60],"approximately":[39],"57%":[40],"total":[43],"was":[45,68],"counted":[46],"in":[47,101,118,129,141],"an":[48],"annual":[49],"census.":[50],"Applying":[51],"this":[52],"2003":[56,91],"census,":[57],"for":[64],"whole":[66],"archipelago":[67],"1351":[69],"individuals.":[70],"also":[72,146],"correction":[75],"factor":[76],"derived":[77],"from":[78],"1999":[80],"CMR":[81],"data":[82,144],"other":[84],"censuses":[85],"carried":[86],"out":[87],"between":[88],"1970":[89],"maximum":[95],"about":[98],"4000":[99],"individuals":[100],"1971":[102],"when":[103],"highest":[105],"numbers":[106],"Penguins":[108],"were":[109],"counted.":[110],"Although":[111],"has":[116],"fluctuated":[117],"last":[120],"33":[121],"years,":[122],"overall":[124],"trend":[125],"shows":[126,147],"larger":[127],"populations":[128,135],"1970\u201380":[130],"followed":[131],"by":[132],"relatively":[133],"smaller":[134],"slow":[138],"recovery":[139],"rate":[140],"1983\u20132003.":[142],"The":[143],"set":[145],"two":[148],"major":[149],"declines":[151],"(in":[152],"1983":[153],"1998),":[155],"which":[156],"are":[157],"coincident":[158],"El":[160],"Ni\u00f1o":[161],"episodes.":[162]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}