{"id":"https://openalex.org/W3160028928","doi":"https://doi.org/10.3390/rs13101952","title":"Identification of Fishing Vessel Types and Analysis of Seasonal Activities in the Northern South China Sea Based on AIS Data: A Case Study of 2018","display_name":"Identification of Fishing Vessel Types and Analysis of Seasonal Activities in the Northern South China Sea Based on AIS Data: A Case Study of 2018","publication_year":2021,"publication_date":"2021-05-17","ids":{"openalex":"https://openalex.org/W3160028928","doi":"https://doi.org/10.3390/rs13101952","mag":"3160028928"},"language":"en","primary_location":{"id":"doi:10.3390/rs13101952","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13101952","pdf_url":"https://www.mdpi.com/2072-4292/13/10/1952/pdf?version=1621332774","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2072-4292/13/10/1952/pdf?version=1621332774","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5050666997","display_name":"Yanan Guan","orcid":null},"institutions":[{"id":"https://openalex.org/I211433327","display_name":"Ministry of Natural Resources","ror":"https://ror.org/02kxqx159","country_code":"CN","type":"government","lineage":["https://openalex.org/I211433327","https://openalex.org/I4210127390"]},{"id":"https://openalex.org/I4210114556","display_name":"First Institute of Oceanography","ror":"https://ror.org/01y34t753","country_code":"CN","type":"facility","lineage":["https://openalex.org/I211433327","https://openalex.org/I4210114556","https://openalex.org/I4210127390"]},{"id":"https://openalex.org/I4210162190","display_name":"China University of Petroleum, East China","ror":"https://ror.org/05gbn2817","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210162190"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yanan Guan","raw_affiliation_strings":["First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China","School of Geosciences, China University of Petroleum, Qingdao 266580, China"],"affiliations":[{"raw_affiliation_string":"First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China","institution_ids":["https://openalex.org/I4210114556","https://openalex.org/I211433327"]},{"raw_affiliation_string":"School of Geosciences, China University of Petroleum, Qingdao 266580, China","institution_ids":["https://openalex.org/I4210162190"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100436722","display_name":"Jie Zhang","orcid":"https://orcid.org/0000-0002-2635-7783"},"institutions":[{"id":"https://openalex.org/I211433327","display_name":"Ministry of Natural Resources","ror":"https://ror.org/02kxqx159","country_code":"CN","type":"government","lineage":["https://openalex.org/I211433327","https://openalex.org/I4210127390"]},{"id":"https://openalex.org/I4210114556","display_name":"First Institute of Oceanography","ror":"https://ror.org/01y34t753","country_code":"CN","type":"facility","lineage":["https://openalex.org/I211433327","https://openalex.org/I4210114556","https://openalex.org/I4210127390"]},{"id":"https://openalex.org/I4210162190","display_name":"China University of Petroleum, East China","ror":"https://ror.org/05gbn2817","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210162190"]},{"id":"https://openalex.org/I59028903","display_name":"Ocean University of China","ror":"https://ror.org/04rdtx186","country_code":"CN","type":"education","lineage":["https://openalex.org/I59028903"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jie Zhang","raw_affiliation_strings":["College of Oceanography and Space Informatics, China University of Petroleum, Qingdao 266580, China","First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China","Technology Innovation Center for Ocean Telemetry, Ministry of Natural Resources, Qingdao 266061, China"],"affiliations":[{"raw_affiliation_string":"College of Oceanography and Space Informatics, China University of Petroleum, Qingdao 266580, China","institution_ids":["https://openalex.org/I4210162190"]},{"raw_affiliation_string":"First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China","institution_ids":["https://openalex.org/I4210114556","https://openalex.org/I211433327"]},{"raw_affiliation_string":"Technology Innovation Center for Ocean Telemetry, Ministry of Natural Resources, Qingdao 266061, China","institution_ids":["https://openalex.org/I59028903","https://openalex.org/I211433327"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100430863","display_name":"Xi Zhang","orcid":"https://orcid.org/0000-0003-0032-6636"},"institutions":[{"id":"https://openalex.org/I211433327","display_name":"Ministry of Natural Resources","ror":"https://ror.org/02kxqx159","country_code":"CN","type":"government","lineage":["https://openalex.org/I211433327","https://openalex.org/I4210127390"]},{"id":"https://openalex.org/I4210114556","display_name":"First Institute of Oceanography","ror":"https://ror.org/01y34t753","country_code":"CN","type":"facility","lineage":["https://openalex.org/I211433327","https://openalex.org/I4210114556","https://openalex.org/I4210127390"]},{"id":"https://openalex.org/I59028903","display_name":"Ocean University of China","ror":"https://ror.org/04rdtx186","country_code":"CN","type":"education","lineage":["https://openalex.org/I59028903"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xi Zhang","raw_affiliation_strings":["First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China","Technology Innovation Center for Ocean Telemetry, Ministry of Natural Resources, Qingdao 266061, China"],"affiliations":[{"raw_affiliation_string":"First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China","institution_ids":["https://openalex.org/I4210114556","https://openalex.org/I211433327"]},{"raw_affiliation_string":"Technology Innovation Center for Ocean Telemetry, Ministry of Natural Resources, Qingdao 266061, China","institution_ids":["https://openalex.org/I59028903","https://openalex.org/I211433327"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100726881","display_name":"Zhongwei Li","orcid":"https://orcid.org/0000-0002-3934-9053"},"institutions":[{"id":"https://openalex.org/I4210162190","display_name":"China University of Petroleum, East China","ror":"https://ror.org/05gbn2817","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210162190"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhongwei Li","raw_affiliation_strings":["College of Oceanography and Space Informatics, China University of Petroleum, Qingdao 266580, China"],"affiliations":[{"raw_affiliation_string":"College of Oceanography and Space Informatics, China University of Petroleum, Qingdao 266580, China","institution_ids":["https://openalex.org/I4210162190"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101508918","display_name":"Junmin Meng","orcid":"https://orcid.org/0000-0003-3358-8245"},"institutions":[{"id":"https://openalex.org/I211433327","display_name":"Ministry of Natural Resources","ror":"https://ror.org/02kxqx159","country_code":"CN","type":"government","lineage":["https://openalex.org/I211433327","https://openalex.org/I4210127390"]},{"id":"https://openalex.org/I4210114556","display_name":"First Institute of Oceanography","ror":"https://ror.org/01y34t753","country_code":"CN","type":"facility","lineage":["https://openalex.org/I211433327","https://openalex.org/I4210114556","https://openalex.org/I4210127390"]},{"id":"https://openalex.org/I59028903","display_name":"Ocean University of China","ror":"https://ror.org/04rdtx186","country_code":"CN","type":"education","lineage":["https://openalex.org/I59028903"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Junmin Meng","raw_affiliation_strings":["First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China","Technology Innovation Center for Ocean Telemetry, Ministry of Natural Resources, Qingdao 266061, China"],"affiliations":[{"raw_affiliation_string":"First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China","institution_ids":["https://openalex.org/I4210114556","https://openalex.org/I211433327"]},{"raw_affiliation_string":"Technology Innovation Center for Ocean Telemetry, Ministry of Natural Resources, Qingdao 266061, China","institution_ids":["https://openalex.org/I59028903","https://openalex.org/I211433327"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082534449","display_name":"Genwang Liu","orcid":"https://orcid.org/0000-0003-2238-5020"},"institutions":[{"id":"https://openalex.org/I211433327","display_name":"Ministry of Natural Resources","ror":"https://ror.org/02kxqx159","country_code":"CN","type":"government","lineage":["https://openalex.org/I211433327","https://openalex.org/I4210127390"]},{"id":"https://openalex.org/I4210114556","display_name":"First Institute of Oceanography","ror":"https://ror.org/01y34t753","country_code":"CN","type":"facility","lineage":["https://openalex.org/I211433327","https://openalex.org/I4210114556","https://openalex.org/I4210127390"]},{"id":"https://openalex.org/I59028903","display_name":"Ocean University of China","ror":"https://ror.org/04rdtx186","country_code":"CN","type":"education","lineage":["https://openalex.org/I59028903"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Genwang Liu","raw_affiliation_strings":["First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China","Technology Innovation Center for Ocean Telemetry, Ministry of Natural Resources, Qingdao 266061, China"],"affiliations":[{"raw_affiliation_string":"First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China","institution_ids":["https://openalex.org/I4210114556","https://openalex.org/I211433327"]},{"raw_affiliation_string":"Technology Innovation Center for Ocean Telemetry, Ministry of Natural Resources, Qingdao 266061, China","institution_ids":["https://openalex.org/I59028903","https://openalex.org/I211433327"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5104100377","display_name":"Meng Bao","orcid":null},"institutions":[{"id":"https://openalex.org/I211433327","display_name":"Ministry of Natural Resources","ror":"https://ror.org/02kxqx159","country_code":"CN","type":"government","lineage":["https://openalex.org/I211433327","https://openalex.org/I4210127390"]},{"id":"https://openalex.org/I4210114556","display_name":"First Institute of Oceanography","ror":"https://ror.org/01y34t753","country_code":"CN","type":"facility","lineage":["https://openalex.org/I211433327","https://openalex.org/I4210114556","https://openalex.org/I4210127390"]},{"id":"https://openalex.org/I59028903","display_name":"Ocean University of China","ror":"https://ror.org/04rdtx186","country_code":"CN","type":"education","lineage":["https://openalex.org/I59028903"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Meng Bao","raw_affiliation_strings":["First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China","Technology Innovation Center for Ocean Telemetry, Ministry of Natural Resources, Qingdao 266061, China"],"affiliations":[{"raw_affiliation_string":"First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China","institution_ids":["https://openalex.org/I4210114556","https://openalex.org/I211433327"]},{"raw_affiliation_string":"Technology Innovation Center for Ocean Telemetry, Ministry of Natural Resources, Qingdao 266061, China","institution_ids":["https://openalex.org/I59028903","https://openalex.org/I211433327"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5009198836","display_name":"Chenghui Cao","orcid":"https://orcid.org/0000-0001-9195-7606"},"institutions":[{"id":"https://openalex.org/I211433327","display_name":"Ministry of Natural Resources","ror":"https://ror.org/02kxqx159","country_code":"CN","type":"government","lineage":["https://openalex.org/I211433327","https://openalex.org/I4210127390"]},{"id":"https://openalex.org/I4210114556","display_name":"First Institute of Oceanography","ror":"https://ror.org/01y34t753","country_code":"CN","type":"facility","lineage":["https://openalex.org/I211433327","https://openalex.org/I4210114556","https://openalex.org/I4210127390"]},{"id":"https://openalex.org/I59028903","display_name":"Ocean University of China","ror":"https://ror.org/04rdtx186","country_code":"CN","type":"education","lineage":["https://openalex.org/I59028903"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chenghui Cao","raw_affiliation_strings":["First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China","Technology Innovation Center for Ocean Telemetry, Ministry of Natural Resources, Qingdao 266061, China"],"affiliations":[{"raw_affiliation_string":"First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China","institution_ids":["https://openalex.org/I4210114556","https://openalex.org/I211433327"]},{"raw_affiliation_string":"Technology Innovation Center for Ocean Telemetry, Ministry of Natural Resources, Qingdao 266061, China","institution_ids":["https://openalex.org/I59028903","https://openalex.org/I211433327"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":8,"corresponding_author_ids":["https://openalex.org/A5100430863"],"corresponding_institution_ids":["https://openalex.org/I211433327","https://openalex.org/I4210114556","https://openalex.org/I59028903"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":3.1548,"has_fulltext":false,"cited_by_count":43,"citation_normalized_percentile":{"value":0.91701036,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":100},"biblio":{"volume":"13","issue":"10","first_page":"1952","last_page":"1952"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10230","display_name":"Marine and fisheries research","score":0.9948999881744385,"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":0.9948999881744385,"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/T11622","display_name":"Maritime Navigation and Safety","score":0.9901000261306763,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12388","display_name":"Identification and Quantification in Food","score":0.9616000056266785,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/fishing","display_name":"Fishing","score":0.8897414803504944},{"id":"https://openalex.org/keywords/overexploitation","display_name":"Overexploitation","score":0.6402866840362549},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.5502413511276245},{"id":"https://openalex.org/keywords/automatic-identification-system","display_name":"Automatic Identification System","score":0.5377829670906067},{"id":"https://openalex.org/keywords/fishery","display_name":"Fishery","score":0.5255495309829712},{"id":"https://openalex.org/keywords/china","display_name":"China","score":0.4871256351470947},{"id":"https://openalex.org/keywords/identification","display_name":"Identification (biology)","score":0.4128100872039795},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.37093523144721985},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.1789882779121399},{"id":"https://openalex.org/keywords/ecology","display_name":"Ecology","score":0.13705432415008545},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.07986065745353699}],"concepts":[{"id":"https://openalex.org/C514101110","wikidata":"https://www.wikidata.org/wiki/Q14373","display_name":"Fishing","level":2,"score":0.8897414803504944},{"id":"https://openalex.org/C152613627","wikidata":"https://www.wikidata.org/wiki/Q3050262","display_name":"Overexploitation","level":2,"score":0.6402866840362549},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.5502413511276245},{"id":"https://openalex.org/C146997752","wikidata":"https://www.wikidata.org/wiki/Q787197","display_name":"Automatic Identification System","level":2,"score":0.5377829670906067},{"id":"https://openalex.org/C505870484","wikidata":"https://www.wikidata.org/wiki/Q180538","display_name":"Fishery","level":1,"score":0.5255495309829712},{"id":"https://openalex.org/C191935318","wikidata":"https://www.wikidata.org/wiki/Q148","display_name":"China","level":2,"score":0.4871256351470947},{"id":"https://openalex.org/C116834253","wikidata":"https://www.wikidata.org/wiki/Q2039217","display_name":"Identification (biology)","level":2,"score":0.4128100872039795},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.37093523144721985},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.1789882779121399},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.13705432415008545},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.07986065745353699},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/rs13101952","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13101952","pdf_url":"https://www.mdpi.com/2072-4292/13/10/1952/pdf?version=1621332774","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:b1dd83c013274ac291865401aa51f51e","is_oa":true,"landing_page_url":"https://doaj.org/article/b1dd83c013274ac291865401aa51f51e","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, Vol 13, Iss 10, p 1952 (2021)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/13/10/1952/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs13101952","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing; Volume 13; Issue 10; Pages: 1952","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs13101952","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13101952","pdf_url":"https://www.mdpi.com/2072-4292/13/10/1952/pdf?version=1621332774","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.8500000238418579,"display_name":"Life below water","id":"https://metadata.un.org/sdg/14"}],"awards":[{"id":"https://openalex.org/G127102329","display_name":null,"funder_award_id":"U2006207","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2047570096","display_name":null,"funder_award_id":"61971455","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3160028928.pdf","grobid_xml":"https://content.openalex.org/works/W3160028928.grobid-xml"},"referenced_works_count":58,"referenced_works":["https://openalex.org/W1481790637","https://openalex.org/W1495884303","https://openalex.org/W1970782782","https://openalex.org/W1974770072","https://openalex.org/W1977586526","https://openalex.org/W1980641658","https://openalex.org/W1984519272","https://openalex.org/W2006516693","https://openalex.org/W2017226600","https://openalex.org/W2039099694","https://openalex.org/W2053421276","https://openalex.org/W2054194572","https://openalex.org/W2086180039","https://openalex.org/W2105533573","https://openalex.org/W2112840416","https://openalex.org/W2122111042","https://openalex.org/W2139158399","https://openalex.org/W2161741939","https://openalex.org/W2170958014","https://openalex.org/W2215244420","https://openalex.org/W2242945011","https://openalex.org/W2295598076","https://openalex.org/W2327774300","https://openalex.org/W2329509563","https://openalex.org/W2522067656","https://openalex.org/W2523488207","https://openalex.org/W2553372643","https://openalex.org/W2561939013","https://openalex.org/W2607434602","https://openalex.org/W2654467866","https://openalex.org/W2739067771","https://openalex.org/W2753820606","https://openalex.org/W2758555341","https://openalex.org/W2768348081","https://openalex.org/W2782268739","https://openalex.org/W2788078249","https://openalex.org/W2798476254","https://openalex.org/W2807675081","https://openalex.org/W2904029397","https://openalex.org/W2919841204","https://openalex.org/W2935934953","https://openalex.org/W2964482263","https://openalex.org/W2978402001","https://openalex.org/W3006297925","https://openalex.org/W3012503967","https://openalex.org/W3013341635","https://openalex.org/W3042437391","https://openalex.org/W3043156748","https://openalex.org/W3093308587","https://openalex.org/W3095522316","https://openalex.org/W3126689469","https://openalex.org/W4239510810","https://openalex.org/W4247835056","https://openalex.org/W6629518106","https://openalex.org/W6645589602","https://openalex.org/W6701812117","https://openalex.org/W6784485377","https://openalex.org/W7038718823"],"related_works":["https://openalex.org/W4386773956","https://openalex.org/W2488126558","https://openalex.org/W78186900","https://openalex.org/W4385666112","https://openalex.org/W1549365801","https://openalex.org/W2809970093","https://openalex.org/W1601296467","https://openalex.org/W1445195185","https://openalex.org/W2066726723","https://openalex.org/W4389088042"],"abstract_inverted_index":{"In":[0,39],"recent":[1],"years,":[2],"concern":[3],"has":[4],"increased":[5],"about":[6],"the":[7,14,19,44,69,153,169,172,184,196,206,216],"depletion":[8],"of":[9,16,21,43,46,82,117,134,156,198,208],"marine":[10,36,212],"resources":[11,210],"caused":[12],"by":[13],"overexploitation":[15],"fisheries":[17],"and":[18,51,65,78,85,121,125,127,188,211],"degradation":[20],"ecosystems.":[22],"The":[23,75,132],"Automatic":[24],"Identification":[25],"System":[26],"(AIS)":[27],"is":[28],"a":[29,104,115,163],"powerful":[30],"tool":[31],"increasingly":[32],"used":[33],"for":[34,97,205],"monitoring":[35],"fishing":[37,47,83,98,158,177,181,185],"activity.":[38],"this":[40,135],"paper,":[41],"identification":[42,95],"type":[45],"vessel":[48,99],"(trawlers,":[49],"gillnetters":[50],"seiners)":[52],"was":[53,101,140,150],"carried":[54],"out":[55],"using":[56,103],"150":[57],"million":[58],"AIS":[59,199],"tracking":[60],"points":[61],"in":[62,68,91,129,171,201,215],"April,":[63],"June":[64],"September":[66],"2018":[67],"northern":[70,173,217],"South":[71],"China":[72],"Sea":[73],"(SCS).":[74],"vessels\u2019":[76],"spatial":[77],"temporal":[79],"distribution,":[80],"duration":[81],"time":[84],"other":[86,143],"activity":[87,154],"patterns":[88],"were":[89],"analyzed":[90],"different":[92],"seasons.":[93],"An":[94],"model":[96,136],"types":[100],"developed":[102],"Light":[105],"Gradient":[106],"Boosting":[107],"Machine":[108],"(LightGBM)":[109],"approach":[110],"with":[111,114],"three":[112],"categories":[113],"total":[116],"60":[118],"features:":[119],"speed":[120,126],"heading,":[122],"location":[123],"changes,":[124],"displacement":[128],"multiple":[130],"states.":[131],"accuracy":[133],"reached":[137],"95.68%,":[138],"which":[139],"higher":[141],"than":[142],"advanced":[144],"algorithms":[145],"such":[146],"as":[147],"XGBoost.":[148],"It":[149],"found":[151],"that":[152],"hotspots":[155],"Chinese":[157,176,190],"vessels,":[159],"especially":[160],"trawlers,":[161],"showed":[162,179],"tendency":[164],"to":[165],"move":[166],"northward":[167],"through":[168],"year":[170],"SCS.":[174,218],"Furthermore,":[175],"vessels":[178],"low":[180],"intensity":[182],"during":[183],"moratorium":[186],"months":[187],"traditional":[189],"holidays.":[191],"This":[192],"research":[193],"work":[194],"indicates":[195],"value":[197],"data":[200],"providing":[202],"decision-making":[203],"assistance":[204],"development":[207],"fishery":[209],"safety":[213],"management":[214]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":13},{"year":2024,"cited_by_count":10},{"year":2023,"cited_by_count":9},{"year":2022,"cited_by_count":8},{"year":2021,"cited_by_count":1}],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2021-05-24T00:00:00"}
