{"id":"https://openalex.org/W804980920","doi":null,"title":"Egg weight, fecundity and reproductive energetics of herring Clupea harengus L. in the northern North Sea and west of Scotland","display_name":"Egg weight, fecundity and reproductive energetics of herring Clupea harengus L. in the northern North Sea and west of Scotland","publication_year":1987,"publication_date":"1987-01-01","ids":{"openalex":"https://openalex.org/W804980920","mag":"804980920"},"language":"en","primary_location":{"id":"mag:804980920","doi":null,"is_oa":false,"landing_page_url":"http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.238656","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":"dissertation","is_traditional":true,"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/A5111921625","display_name":"Sulaiman M. Almatar","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Sulaiman Almatar","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5111921625"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":3,"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/T10230","display_name":"Marine and fisheries research","score":0.9829000234603882,"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":0.9829000234603882,"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/T11505","display_name":"Reproductive biology and impacts on aquatic species","score":0.008700000122189522,"subfield":{"id":"https://openalex.org/subfields/1314","display_name":"Physiology"},"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"}},{"id":"https://openalex.org/T10174","display_name":"Animal Behavior and Reproduction","score":0.0024999999441206455,"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/herring","display_name":"herring","score":1.0},{"id":"https://openalex.org/keywords/egg-weight","display_name":"egg weight","score":0.9950000047683716},{"id":"https://openalex.org/keywords/fecundity","display_name":"fecundity","score":0.9990000128746033},{"id":"https://openalex.org/keywords/reproductive-energetics","display_name":"reproductive energetics","score":0.9980000257492065},{"id":"https://openalex.org/keywords/fish-reproduction","display_name":"fish reproduction","score":0.6679999828338623},{"id":"https://openalex.org/keywords/northern-north-sea","display_name":"northern North Sea","score":0.781000018119812},{"id":"https://openalex.org/keywords/west-of-scotland","display_name":"West of Scotland","score":0.7940000295639038}],"concepts":[{"id":"https://openalex.org/C2777997422","wikidata":"https://www.wikidata.org/wiki/Q209907","display_name":"Clupea","level":4,"score":0.9132329225540161},{"id":"https://openalex.org/C67283656","wikidata":"https://www.wikidata.org/wiki/Q2587899","display_name":"Fecundity","level":3,"score":0.8963204622268677},{"id":"https://openalex.org/C2779290800","wikidata":"https://www.wikidata.org/wiki/Q3127419","display_name":"Herring","level":3,"score":0.8650480508804321},{"id":"https://openalex.org/C97514900","wikidata":"https://www.wikidata.org/wiki/Q719597","display_name":"Energetics","level":2,"score":0.8447061777114868},{"id":"https://openalex.org/C505870484","wikidata":"https://www.wikidata.org/wiki/Q180538","display_name":"Fishery","level":1,"score":0.6790547966957092},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.4386635422706604},{"id":"https://openalex.org/C519853106","wikidata":"https://www.wikidata.org/wiki/Q3640158","display_name":"Reproductive biology","level":4,"score":0.43079501390457153},{"id":"https://openalex.org/C90856448","wikidata":"https://www.wikidata.org/wiki/Q431","display_name":"Zoology","level":1,"score":0.4051857590675354},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.3518028259277344},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.3224737048149109},{"id":"https://openalex.org/C2909208804","wikidata":"https://www.wikidata.org/wiki/Q127282","display_name":"Fish <Actinopterygii>","level":2,"score":0.3008189797401428},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.23038432002067566},{"id":"https://openalex.org/C149923435","wikidata":"https://www.wikidata.org/wiki/Q37732","display_name":"Demography","level":1,"score":0.18005257844924927},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.09117373824119568},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.08504435420036316},{"id":"https://openalex.org/C196843134","wikidata":"https://www.wikidata.org/wiki/Q33196","display_name":"Embryo","level":2,"score":0.059301793575286865},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0},{"id":"https://openalex.org/C87073359","wikidata":"https://www.wikidata.org/wiki/Q33196","display_name":"Embryogenesis","level":3,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:804980920","doi":null,"is_oa":false,"landing_page_url":"http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.238656","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":[{"display_name":"Life below water","score":1.0,"id":"https://metadata.un.org/sdg/14"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W7096806970","https://openalex.org/W2054968548","https://openalex.org/W1972672556","https://openalex.org/W2064810752","https://openalex.org/W6959866315","https://openalex.org/W2227569836","https://openalex.org/W2110616807","https://openalex.org/W2036189314","https://openalex.org/W2053278759","https://openalex.org/W6987429959"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-09-22T06:50:58.402377","created_date":"2016-06-24T00:00:00"}
