{"id":"https://openalex.org/W1974021145","doi":"https://doi.org/10.2989/02577619209504707","title":"The 1980s \u2013 a decade of change in the Benguela ecosystem","display_name":"The 1980s \u2013 a decade of change in the Benguela ecosystem","publication_year":1992,"publication_date":"1992-06-01","ids":{"openalex":"https://openalex.org/W1974021145","doi":"https://doi.org/10.2989/02577619209504707","mag":"1974021145"},"language":"en","primary_location":{"id":"doi:10.2989/02577619209504707","doi":"https://doi.org/10.2989/02577619209504707","is_oa":true,"landing_page_url":"https://doi.org/10.2989/02577619209504707","pdf_url":"https://www.tandfonline.com/doi/pdf/10.2989/02577619209504707?download=true","source":{"id":"https://openalex.org/S4210217868","display_name":"South African Journal of Marine Science","issn_l":"0257-7615","issn":["0257-7615"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"South African Journal of Marine Science","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://www.tandfonline.com/doi/pdf/10.2989/02577619209504707?download=true","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5110557347","display_name":"L. V. Shannon","orcid":"https://orcid.org/0000-0001-7842-0636","observed_orcids":["https://orcid.org/0000-0001-7842-0636"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"L. V. Shannon","raw_affiliation_strings":["Sea Fisheries Research Institute , Private Bag X2 , Rogge Bay 8012 , South Africa"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sea Fisheries Research Institute , Private Bag X2 , Rogge Bay 8012 , South Africa","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111883938","display_name":"R. J. M. Crawford","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"R. J. M. Crawford","raw_affiliation_strings":["Sea Fisheries Research Institute , Private Bag X2 , Rogge Bay 8012 , South Africa"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sea Fisheries Research Institute , Private Bag X2 , Rogge Bay 8012 , South Africa","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000738470","display_name":"D. E. Pollock","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"D. E. Pollock","raw_affiliation_strings":["Sea Fisheries Research Institute , Private Bag X2 , Rogge Bay 8012 , South Africa"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sea Fisheries Research Institute , Private Bag X2 , Rogge Bay 8012 , South Africa","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113599577","display_name":"Larry Hutchings","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"L. Hutchings","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113505906","display_name":"A. J. Boyd","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"A. J. Boyd","raw_affiliation_strings":["Sea Fisheries Research Institute , Private Bag X2 , Rogge Bay 8012 , South Africa"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sea Fisheries Research Institute , Private Bag X2 , Rogge Bay 8012 , South Africa","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064821962","display_name":"J. Taunton-Clark","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"J. Taunton-Clark","raw_affiliation_strings":["Sea Fisheries Research Institute , Private Bag X2 , Rogge Bay 8012 , South Africa"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sea Fisheries Research Institute , Private Bag X2 , Rogge Bay 8012 , South Africa","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015090397","display_name":"A. Badenhorst","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"A. Badenhorst","raw_affiliation_strings":["Sea Fisheries Research Institute , Private Bag X2 , Rogge Bay 8012 , South Africa"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sea Fisheries Research Institute , Private Bag X2 , Rogge Bay 8012 , South Africa","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109079341","display_name":"Roy Melville\u2010Smith","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"R. Melville-Smith","raw_affiliation_strings":["Sea Fisheries Research Institute , Private Bag X2 , Rogge Bay 8012 , South Africa"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sea Fisheries Research Institute , Private Bag X2 , Rogge Bay 8012 , South Africa","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009061825","display_name":"C. J. Augustyn","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"C. J. Augustyn","raw_affiliation_strings":["Sea Fisheries Research Institute , Private Bag X2 , Rogge Bay 8012 , South Africa"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sea Fisheries Research Institute , Private Bag X2 , Rogge Bay 8012 , South Africa","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050033271","display_name":"Kevern L. Cochrane","orcid":"https://orcid.org/0000-0003-0014-1367","observed_orcids":["https://orcid.org/0000-0003-0014-1367"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"K. L. Cochrane","raw_affiliation_strings":["Sea Fisheries Research Institute , Private Bag X2 , Rogge Bay 8012 , South Africa"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sea Fisheries Research Institute , Private Bag X2 , Rogge Bay 8012 , South Africa","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031843766","display_name":"I. Hampton","orcid":"https://orcid.org/0009-0002-5503-7655","observed_orcids":["https://orcid.org/0009-0002-5503-7655"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"I. Hampton","raw_affiliation_strings":["Sea Fisheries Research Institute , Private Bag X2 , Rogge Bay 8012 , South Africa"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sea Fisheries Research Institute , Private Bag X2 , Rogge Bay 8012 , South Africa","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063233440","display_name":"G. Nelson","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"G. Nelson","raw_affiliation_strings":["Sea Fisheries Research Institute , Private Bag X2 , Rogge Bay 8012 , South Africa"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sea Fisheries Research Institute , Private Bag X2 , Rogge Bay 8012 , South Africa","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090806966","display_name":"D. W. Japp","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"D. W. Japp","raw_affiliation_strings":["Sea Fisheries Research Institute , Private Bag X2 , Rogge Bay 8012 , South Africa"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sea Fisheries Research Institute , Private Bag X2 , Rogge Bay 8012 , South Africa","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5049589090","display_name":"R. J. Q. Tarr","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"R. J. Q. Tarr","raw_affiliation_strings":["Sea Fisheries Research Institute , Private Bag X2 , Rogge Bay 8012 , South Africa"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sea Fisheries Research Institute , Private Bag X2 , Rogge Bay 8012 , South Africa","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.0479,"has_fulltext":true,"cited_by_count":58,"citation_normalized_percentile":{"value":0.80673575,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"12","issue":"1","first_page":"271","last_page":"296"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10230","display_name":"Marine and fisheries research","score":0.9868000149726868,"subfield":{"id":"https://openalex.org/subfields/1104","display_name":"Aquatic Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T10230","display_name":"Marine and fisheries research","score":0.9868000149726868,"subfield":{"id":"https://openalex.org/subfields/1104","display_name":"Aquatic Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10765","display_name":"Marine Biology and Ecology Research","score":0.002899999963119626,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13485","display_name":"Coastal Fisheries and Human Impacts","score":0.002400000113993883,"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/environmental-change","display_name":"environmental change","score":0.7200000286102295},{"id":"https://openalex.org/keywords/sea-surface-temperature","display_name":"sea surface temperature","score":0.777999997138977},{"id":"https://openalex.org/keywords/ocean-currents","display_name":"ocean currents","score":0.5920000076293945},{"id":"https://openalex.org/keywords/plankton","display_name":"plankton","score":0.8100000023841858},{"id":"https://openalex.org/keywords/jasus-lalandii","display_name":"Jasus lalandii","score":0.8330000042915344},{"id":"https://openalex.org/keywords/haliotis-midae","display_name":"Haliotis midae","score":0.9829999804496765},{"id":"https://openalex.org/keywords/engraulis-capensis","display_name":"Engraulis capensis","score":0.9509999752044678},{"id":"https://openalex.org/keywords/merluccius","display_name":"Merluccius","score":0.9369999766349792},{"id":"https://openalex.org/keywords/morus-capensis","display_name":"Morus capensis","score":0.9190000295639038},{"id":"https://openalex.org/keywords/fishing-impacts","display_name":"fisheries impacts","score":0.5170000195503235},{"id":"https://openalex.org/keywords/environmental-forcing","display_name":"environmental forcing","score":0.5090000033378601},{"id":"https://openalex.org/keywords/1980s","display_name":"1980s","score":0.7170000076293945}],"concepts":[{"id":"https://openalex.org/C2780815748","wikidata":"https://www.wikidata.org/wiki/Q281043","display_name":"Engraulis","level":4,"score":0.666863203048706},{"id":"https://openalex.org/C505870484","wikidata":"https://www.wikidata.org/wiki/Q180538","display_name":"Fishery","level":1,"score":0.5869432687759399},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.5560998916625977},{"id":"https://openalex.org/C110872660","wikidata":"https://www.wikidata.org/wiki/Q37813","display_name":"Ecosystem","level":2,"score":0.5243618488311768},{"id":"https://openalex.org/C2778525234","wikidata":"https://www.wikidata.org/wiki/Q192662","display_name":"Anchovy","level":3,"score":0.5212912559509277},{"id":"https://openalex.org/C2777981335","wikidata":"https://www.wikidata.org/wiki/Q55808","display_name":"Seabird","level":3,"score":0.5120875835418701},{"id":"https://openalex.org/C108469399","wikidata":"https://www.wikidata.org/wiki/Q25367","display_name":"Plankton","level":2,"score":0.5118724703788757},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.4967844784259796},{"id":"https://openalex.org/C16989226","wikidata":"https://www.wikidata.org/wiki/Q16934857","display_name":"Environmental change","level":3,"score":0.47503167390823364},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.46492552757263184},{"id":"https://openalex.org/C132215390","wikidata":"https://www.wikidata.org/wiki/Q461335","display_name":"Abiotic component","level":2,"score":0.4608229398727417},{"id":"https://openalex.org/C151152651","wikidata":"https://www.wikidata.org/wiki/Q3304561","display_name":"Marine ecosystem","level":3,"score":0.4354771375656128},{"id":"https://openalex.org/C2778457140","wikidata":"https://www.wikidata.org/wiki/Q2706095","display_name":"Loligo","level":3,"score":0.43140077590942383},{"id":"https://openalex.org/C188382862","wikidata":"https://www.wikidata.org/wiki/Q170430","display_name":"Predation","level":2,"score":0.4088137149810791},{"id":"https://openalex.org/C2777743550","wikidata":"https://www.wikidata.org/wiki/Q81900","display_name":"Squid","level":2,"score":0.2111317217350006},{"id":"https://openalex.org/C132651083","wikidata":"https://www.wikidata.org/wiki/Q7942","display_name":"Climate change","level":2,"score":0.19186902046203613},{"id":"https://openalex.org/C2909208804","wikidata":"https://www.wikidata.org/wiki/Q127282","display_name":"Fish <Actinopterygii>","level":2,"score":0.15855595469474792},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.10000267624855042}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.2989/02577619209504707","doi":"https://doi.org/10.2989/02577619209504707","is_oa":true,"landing_page_url":"https://doi.org/10.2989/02577619209504707","pdf_url":"https://www.tandfonline.com/doi/pdf/10.2989/02577619209504707?download=true","source":{"id":"https://openalex.org/S4210217868","display_name":"South African Journal of Marine Science","issn_l":"0257-7615","issn":["0257-7615"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"South African Journal of Marine Science","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.2989/02577619209504707","doi":"https://doi.org/10.2989/02577619209504707","is_oa":true,"landing_page_url":"https://doi.org/10.2989/02577619209504707","pdf_url":"https://www.tandfonline.com/doi/pdf/10.2989/02577619209504707?download=true","source":{"id":"https://openalex.org/S4210217868","display_name":"South African Journal of Marine Science","issn_l":"0257-7615","issn":["0257-7615"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"South African Journal of Marine Science","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/14","display_name":"Life below water","score":1.0}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1974021145.pdf","grobid_xml":"https://content.openalex.org/works/W1974021145.grobid-xml"},"referenced_works_count":33,"referenced_works":["https://openalex.org/W429495095","https://openalex.org/W1481916150","https://openalex.org/W1974507916","https://openalex.org/W1983850382","https://openalex.org/W1994737530","https://openalex.org/W1999182357","https://openalex.org/W2003653566","https://openalex.org/W2003799861","https://openalex.org/W2006662439","https://openalex.org/W2015931592","https://openalex.org/W2033286769","https://openalex.org/W2042930203","https://openalex.org/W2044102248","https://openalex.org/W2045644792","https://openalex.org/W2047329148","https://openalex.org/W2055162059","https://openalex.org/W2058493642","https://openalex.org/W2059971024","https://openalex.org/W2073026861","https://openalex.org/W2078602821","https://openalex.org/W2083474632","https://openalex.org/W2086821082","https://openalex.org/W2094259676","https://openalex.org/W2169368831","https://openalex.org/W2182220571","https://openalex.org/W2286603102","https://openalex.org/W2314769825","https://openalex.org/W2317035931","https://openalex.org/W2319472867","https://openalex.org/W2327539496","https://openalex.org/W2330463891","https://openalex.org/W2335628865","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W2078602821","https://openalex.org/W1990455700","https://openalex.org/W1550910865","https://openalex.org/W2168873426","https://openalex.org/W2149228205","https://openalex.org/W2898636190","https://openalex.org/W2058174641","https://openalex.org/W608678732","https://openalex.org/W2090254593","https://openalex.org/W2296039659"],"abstract_inverted_index":{"Changes":[0],"that":[1,109,127],"occurred":[2],"in":[3,60,64,77,103],"sea":[4],"surface":[5,10],"and":[6,14,27,48,53,140],"some":[7,15,78],"deeper":[8],"temperatures,":[9],"winds,":[11],"currents,":[12],"plankton":[13,88],"dominant":[16],"crustacean":[17],"(rock":[18],"lobster":[19],"Jasus":[20],"lalandii),":[21],"molluscan":[22],"(squid":[23],"Loligo":[24],"vulgaris":[25],"reynaudii":[26],"abalone":[28],"Haliotis":[29],"midae),":[30],"fish":[31],"(anchovy":[32],"Engraulis":[33],"capensis,":[34],"pilchard":[35],"Sardinops":[36],"ocellatus,":[37],"Cape":[38],"hakes":[39],"Merluccius":[40],"spp.,":[41],"sole":[42],"Austroglossus":[43],"pectoralis,":[44],"kingklip":[45],"Genypterus":[46],"capensis":[47],"various":[49],"species":[50],"of":[51,79,85,105,143],"linefish)":[52],"seabird":[54],"(Cape":[55],"gannet":[56],"Morus":[57],"capensis)":[58],"resources":[59,107],"the":[61,65,80,98,106,110,123,138,144,158],"Benguela":[62,124,145],"ecosystem":[63],"1980s":[66],"are":[67,162],"documented.":[68],"Although":[69],"fishing":[70],"had":[71],"a":[72,82],"clear":[73],"influence":[74],"on":[75,116],"changes":[76,102],"resources,":[81],"wide":[83,134],"spectrum":[84],"organisms,":[86],"from":[87],"to":[89,148],"top":[90],"predators,":[91],"were":[92],"influenced":[93],"directly":[94],"or":[95],"indirectly":[96],"by":[97],"abiotic":[99],"environment.":[100],"Concurrent":[101],"many":[104],"suggest":[108],"same":[111],"environmental":[112,128,149],"change":[113,121,150,159],"may":[114,151],"impact":[115],"more":[117],"than":[118],"one.":[119],"Simultaneous":[120],"throughout":[122],"system":[125],"indicates":[126],"forcing":[129],"sometimes":[130],"takes":[131],"place":[132],"over":[133],"geographic":[135],"areas.":[136],"At":[137],"northern":[139],"southern":[141],"extremities":[142],"system,":[146],"responses":[147],"be":[152],"different":[153],"because":[154],"processes":[155],"through":[156],"which":[157],"is":[160],"mediated":[161],"different.":[163]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":4},{"year":2014,"cited_by_count":2},{"year":2012,"cited_by_count":7}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
