{"created":"2024-10-03T01:15:29.602120+00:00","id":2010788,"links":{},"metadata":{"_buckets":{"deposit":"c478e54e-6e7b-4c0b-863f-b1104e72572a"},"_deposit":{"created_by":10,"id":"2010788","owners":[10],"pid":{"revision_id":0,"type":"depid","value":"2010788"},"status":"published"},"_oai":{"id":"oai:fra.repo.nii.ac.jp:02010788","sets":["1:8:1724311990861"]},"author_link":["1980","763","1988","818","852","2036"],"item_10002_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2003-03","bibliographicIssueDateType":"Issued"},"bibliographicNumberOfPages":"6","bibliographicPageEnd":"14","bibliographicPageStart":"9","bibliographicVolumeNumber":"6","bibliographic_titles":[{"bibliographic_title":"水産総合研究センター研究報告","bibliographic_titleLang":"ja"},{"bibliographic_title":"Bulletin of  Fisheries Research Agency","bibliographic_titleLang":"en"}]}]},"item_10002_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Sixty-three individuals of mature bluefin tuna (Thunnus thynnus orientalis) have been maintained in a 14-ha cove of Amami Island, Japan. Spawning activity was observed on 22 days during May 28 through November 10 in 2001. In order to investigate spawning frequency, period and number of spawning female per day, mtDNA genotypes of spawned eggs were analyzed. MtDNA Dloop region was amplified via PCR and the genotypes of 23 to 64 eggs collected per day were determined by RFLP analysis. Ten genotypes were detected among 691 eggs in total. Forty percent of the eggs belonged to genotype 3, which was observed on 20 out of 22 spawning days. Occurrence of genotypes 6, 7 and 10 were also frequent and observed on 9 to 11 days. Occurrence of the other genotypes was much less frequent. In June, eggs having genotype 3 were observed almost every day for a whole week. Occurrence of certain genotypes for 2 to 3 consecutive days was not unusual. Substantial spawning with such consecutive spawning was observed by mid November. These results differed from general presumption that individual female of natural population spawns intermittently for only a few times during April to August.","subitem_description_language":"en","subitem_description_type":"Abstract"}]},"item_10002_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"水産総合研究センター","subitem_publisher_language":"ja"}]},"item_10002_relation_16":{"attribute_name":"情報源","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"fra_k_6_9","subitem_relation_type_select":"Local"}}]},"item_10002_relation_17":{"attribute_name":"関連サイト","attribute_value_mlt":[{"subitem_relation_name":[{"subitem_relation_name_text":"日本農学文献記事索引(AgriKnowledge)"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://agriknowledge.affrc.go.jp/RN/2010671194","subitem_relation_type_select":"URI"}}]},"item_10002_source_id_11":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA11589591","subitem_source_identifier_type":"NCID"}]},"item_10002_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"1346-9894","subitem_source_identifier_type":"PISSN"}]},"item_10002_version_type_20":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"open 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mitochondrial DNA analysis","subitem_title_language":"en"}]},"item_type_id":"10002","owner":"10","path":["1724311990861"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2024-10-02"},"publish_date":"2024-10-02","publish_status":"0","recid":"2010788","relation_version_is_last":true,"title":["ミトコンドリアDNA分析から推定した養成クロマグロの産卵生態"],"weko_creator_id":"10","weko_shared_id":-1},"updated":"2025-04-01T02:25:03.827534+00:00"}