{"id":"https://openalex.org/W56089642","doi":null,"title":"Fishery indicators from the Japanese Tuna Fisheries in the Western Central Pacific","display_name":"Fishery indicators from the Japanese Tuna Fisheries in the Western Central Pacific","publication_year":1998,"publication_date":"1998-01-01","ids":{"openalex":"https://openalex.org/W56089642","mag":"56089642"},"language":"en","primary_location":{"id":"mag:56089642","doi":null,"is_oa":false,"landing_page_url":"http://www.spc.int/DigitalLibrary/Doc/FAME/Meetings/SCTB/11/WP6.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},"volume":null,"type":"article","indexed_in":[],"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/A5017333256","display_name":"Takeo MATSUMOT\u039f","orcid":"https://orcid.org/0000-0002-4301-5654","observed_orcids":["https://orcid.org/0000-0002-4301-5654"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Takeo MATSUMOT\u039f","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-4301-5654","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065387771","display_name":"Hiroaki Okamoto","orcid":"https://orcid.org/0000-0003-0827-0964","observed_orcids":["https://orcid.org/0000-0003-0827-0964"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hiroaki Okamoto","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0003-0827-0964","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050477231","display_name":"N. Miyabe","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"N. Miyabe","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5051542070","display_name":"Ken Ikehara","orcid":"https://orcid.org/0000-0003-3906-4303","observed_orcids":["https://orcid.org/0000-0003-3906-4303"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ken Ikehara","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0003-3906-4303","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.008064,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"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/T10230","display_name":"Marine and fisheries research","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"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/T10230","display_name":"Marine and fisheries research","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"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/T10302","display_name":"Fish Ecology and Management Studies","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2309","display_name":"Nature and Landscape Conservation"},"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/T12319","display_name":"Fish Biology and Ecology Studies","score":9.999999747378752e-05,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/tuna-fisheries","display_name":"tuna fisheries","score":0.8370000123977661},{"id":"https://openalex.org/keywords/skipjack-tuna","display_name":"skipjack tuna","score":0.8180000185966492},{"id":"https://openalex.org/keywords/yellowfin-tuna","display_name":"yellowfin tuna","score":0.9959999918937683},{"id":"https://openalex.org/keywords/bigeye-tuna","display_name":"bigeye tuna","score":0.9980000257492065},{"id":"https://openalex.org/keywords/length-frequency-distribution","display_name":"length frequency distribution","score":0.7789999842643738},{"id":"https://openalex.org/keywords/fish-size-structure","display_name":"fish size structure","score":0.5270000100135803},{"id":"https://openalex.org/keywords/bimodal-size-distribution","display_name":"bimodal size distribution","score":0.6480000019073486},{"id":"https://openalex.org/keywords/western-and-central-pacific","display_name":"Western and Central Pacific","score":0.5809999704360962}],"concepts":[{"id":"https://openalex.org/C505870484","wikidata":"https://www.wikidata.org/wiki/Q180538","display_name":"Fishery","level":1,"score":0.7872651219367981},{"id":"https://openalex.org/C164958353","wikidata":"https://www.wikidata.org/wiki/Q1847935","display_name":"Fish measurement","level":3,"score":0.6419591307640076},{"id":"https://openalex.org/C514101110","wikidata":"https://www.wikidata.org/wiki/Q14373","display_name":"Fishing","level":2,"score":0.5991342663764954},{"id":"https://openalex.org/C2909208804","wikidata":"https://www.wikidata.org/wiki/Q127282","display_name":"Fish <Actinopterygii>","level":2,"score":0.5168600678443909},{"id":"https://openalex.org/C2779991348","wikidata":"https://www.wikidata.org/wiki/Q633957","display_name":"Skipjack tuna","level":4,"score":0.4925611615180969},{"id":"https://openalex.org/C85079727","wikidata":"https://www.wikidata.org/wiki/Q3560114","display_name":"Quarter (Canadian coin)","level":2,"score":0.47981762886047363},{"id":"https://openalex.org/C2780532849","wikidata":"https://www.wikidata.org/wiki/Q6146274","display_name":"Tuna","level":3,"score":0.4423953592777252},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.4030238687992096},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.39807918667793274},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.32062745094299316},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.31763768196105957},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.10473397374153137},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:56089642","doi":null,"is_oa":false,"landing_page_url":"http://www.spc.int/DigitalLibrary/Doc/FAME/Meetings/SCTB/11/WP6.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":null,"sustainable_development_goals":[{"score":1.0,"id":"https://metadata.un.org/sdg/14","display_name":"Life below water"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W625181905","https://openalex.org/W7071588054","https://openalex.org/W2251114705","https://openalex.org/W2325189231","https://openalex.org/W2375851624","https://openalex.org/W7033723108","https://openalex.org/W2308867758","https://openalex.org/W6988766474","https://openalex.org/W7017217203","https://openalex.org/W100378604"],"abstract_inverted_index":{"Length":[0,131],"frequencies":[1,27,216],"of":[2,28,97,111,134,157,180,198,212],"skipjack,":[3],"yellowfm":[4,184,201],"and":[5,21,34,48,63,84,170,183,196,223,244],"bigeye":[6,99],"tunas":[7,185],"caught":[8,31,104,243],"by":[9,19,138],"the":[10,77,91,108,154,167,174,177,193,209,213,227,232,236,250],"Japanese":[11],"puree":[12],"seine":[13],"fishery":[14],"(equatorial":[15],"fishery)":[16],"were":[17,68,87,217],"estimated":[18],"landing":[20],"port":[22],"sampling":[23],"data.":[24],"Overall":[25],"length":[26,53,215],"each":[29],"species":[30,137],"in":[32,38,51,105,121,124,142,166,173,231],"1996":[33,72,125],"1997":[35,122],"are":[36,140],"shown":[37,141],"Fig.":[39],"1.":[40],"For":[41,144],"yellowfm,":[42],"most":[43],"fish":[44,62,66,81,161],"ranged":[45],"between":[46,82],"30":[47],"140":[49],"cm":[50,86,152,222],"fork":[52],"(FL).":[54],"In":[55,235],"1997,":[56,158,214],"more":[57],"large":[58],"(>":[59],"60":[60,83],"cm)":[61,101,248],"less":[64],"small":[65],"(<50cm)":[67],"observed":[69],"compared":[70],"with":[71,126,190],"data":[73],"It":[74],"is":[75,203],"noteworthy-that":[76],"catch":[78,115,175],"for":[79,90],"medium":[80,98],"80":[85],"significant":[88],"possibly":[89],"first":[92,178,210],"time.":[93],"Similarly":[94],"considerable":[95],"amount":[96],"(60-80":[100],"was":[102,148,242],"also":[103,116],"addition":[106],"to":[107,192],"regular":[109],"size":[110,120,194,202,241,246],"this":[112],"species.":[113],"Skipjack":[114],"indicates":[117],"much":[118,239],"larger":[119,205,240],"than":[123,206],"dominant":[127,146],"mode":[128,147],"at":[129,149,176,220],"51cm.":[130],"frequency":[132],"distributions":[133],"those":[135],"three":[136],"quarter":[139,156,169,179],"Fig.2.":[143],"skipjack":[145],"around":[150],"50":[151],"until":[153],"third":[155],"but":[159,226],"smaller":[160,245],"(about":[162],"40cm":[163],"FL)":[164],"appeared":[165],"fourth":[168],"far":[171],"dominated":[172],"1998.":[181],"Bigeye":[182],"indicate":[186],"similar":[187],"seasonal":[188],"changes":[189],"respect":[191],"range":[195],"position":[197],"modes,":[199],"although":[200],"slightly":[204],"bigeye.":[207],"During":[208],"half":[211],"bimodal":[218],"(modes":[219],"43":[221],"64":[224],"cm),":[225],"modes":[228],"became":[229],"obscure":[230],"following":[233,237],"quarter.":[234],"quarters,":[238],"(40-50":[247],"recruited":[249],"fishery.":[251]},"counts_by_year":[],"updated_date":"2025-11-06T04:12:42.849631","created_date":"2016-06-24T00:00:00"}