{"created":"2025-03-01T01:41:10.526793+00:00","id":2023772,"links":{},"metadata":{"_buckets":{"deposit":"355cfd75-ec55-4802-90a8-ad51df8db3a1"},"_deposit":{"created_by":41,"id":"2023772","owner":"41","owners":[41],"pid":{"revision_id":0,"type":"depid","value":"2023772"},"status":"published"},"_oai":{"id":"oai:hiroshima.repo.nii.ac.jp:02023772","sets":["1727147343679:1730443513549:1730443515198"]},"author_link":[],"item_1617186331708":{"attribute_name":"Title","attribute_value_mlt":[{"subitem_title":"耳石Sr:Ca比によって推定した利根川産大型ヤマメの回遊履歴","subitem_title_language":"ja"},{"subitem_title":"Insight into the migratory history using otolith Sr : Ca ratio of the anadromous masu salmon Oncorhynchus masou masou from the Tonegawa River","subitem_title_language":"en"}]},"item_1617186419668":{"attribute_name":"Creator","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"津行, 篤士","creatorNameLang":"ja"},{"creatorName":"Tsuyuki, Atsushi","creatorNameLang":"en"}],"familyNames":[{"familyName":"津行","familyNameLang":"ja"},{"familyName":"Tsuyuki","familyNameLang":"en"}],"givenNames":[{"givenName":"篤士","givenNameLang":"ja"},{"givenName":"Atsushi","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"反町, 工健","creatorNameLang":"ja"},{"creatorName":"Sorimachi, Kouken","creatorNameLang":"en"}],"familyNames":[{"familyName":"反町","familyNameLang":"ja"},{"familyName":"Sorimachi","familyNameLang":"en"}],"givenNames":[{"givenName":"工健","givenNameLang":"ja"},{"givenName":"Kouken","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"新井, 肇","creatorNameLang":"ja"},{"creatorName":"Arai, Hajime","creatorNameLang":"en"}],"familyNames":[{"familyName":"新井","familyNameLang":"ja"},{"familyName":"Arai","familyNameLang":"en"}],"givenNames":[{"givenName":"肇","givenNameLang":"ja"},{"givenName":"Hajime","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"海野, 徹也","creatorNameLang":"ja"},{"creatorName":"Umino, Tetsuya","creatorNameLang":"en"}],"familyNames":[{"familyName":"海野","familyNameLang":"ja"},{"familyName":"Umino","familyNameLang":"en"}],"givenNames":[{"givenName":"徹也","givenNameLang":"ja"},{"givenName":"Tetsuya","givenNameLang":"en"}]}]},"item_1617186476635":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"open access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_abf2"}]},"item_1617186609386":{"attribute_name":"Subject","attribute_value_mlt":[{"subitem_subject":"大型ヤマメ","subitem_subject_scheme":"Other"},{"subitem_subject":"回遊履歴","subitem_subject_scheme":"Other"},{"subitem_subject":"サクラマス","subitem_subject_scheme":"Other"},{"subitem_subject":"耳石Sr:Ca比","subitem_subject_scheme":"Other"},{"subitem_subject":"利根川","subitem_subject_scheme":"Other"},{"subitem_subject":"Anadromous","subitem_subject_scheme":"Other"},{"subitem_subject":"Migratory history","subitem_subject_scheme":"Other"},{"subitem_subject":"Oncorhynchus masou masou","subitem_subject_scheme":"Other"},{"subitem_subject":"Sr/Ca ratios","subitem_subject_scheme":"Other"},{"subitem_subject":"Tonegawa River","subitem_subject_scheme":"Other"},{"subitem_subject":"480","subitem_subject_scheme":"NDC"}]},"item_1617186626617":{"attribute_name":"Description","attribute_value_mlt":[{"subitem_description":"利根川上流域で採集した大型ヤマメ8個体の回遊性を耳石Sr:Ca比分析を用い検証した。その結果，3個体が降海型，5個体が非回遊型と推定された。最も上流で釣獲された検体（降海型）は，4つの堰を通過し，利根川河口から243km遡上していた。利根川には降海型サクラマスと非回遊型の大型ヤマメが生息しており，環境に応じて柔軟に回遊パターンを変化させている可能性が示唆された。","subitem_description_language":"ja"},{"subitem_description":"The migratory histories of Oncorhynchus masou masou in the Tonegawa River were evaluated from the ontogenetic changes in otolith Sr:Ca ratios. We sampled 8 fish at 180-243 km upstream from the river mouth. Three fish were categorized as anadromous whereas five individual were categorized as nonanadromous life mode with the constantly low Sr:Ca ratios. Intraspecific variation in the migration modes recorded for O. masou masou suggest a plasticity strategy for anadromous behaviors.","subitem_description_language":"en"}]},"item_1617186643794":{"attribute_name":"Publisher","attribute_value_mlt":[{"subitem_publisher":"広島大学大学院生物圏科学研究科"}]},"item_1617186702042":{"attribute_name":"Language","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_1617186819068":{"attribute_name":"identifier_registration","attribute_value_mlt":[{"subitem_identifier_reg_text":"10.15027/43703","subitem_identifier_reg_type":"JaLC"}]},"item_1617186920753":{"attribute_name":"Source Identifier","attribute_value_mlt":[{"subitem_source_identifier":"1348-1371","subitem_source_identifier_type":"ISSN"},{"subitem_source_identifier":"AA11768091","subitem_source_identifier_type":"NCID"}]},"item_1617187024783":{"attribute_name":"開始ページ","attribute_value_mlt":[{"subitem_start_page":"1"}]},"item_1617187056579":{"attribute_name":"bibliographic_information","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2016-12-25","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"6","bibliographicPageStart":"1","bibliographicVolumeNumber":"55","bibliographic_titles":[{"bibliographic_title":"生物圏科学 : 広島大学大学院生物圏科学研究科紀要"},{"bibliographic_title":"Journal of the Graduate School of Biosphere Science, Hiroshima University"}]}]},"item_1617258105262":{"attribute_name":"item_1617258105262","attribute_value_mlt":[{"resourcetype":"departmental bulletin paper","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_1617265215918":{"attribute_name":"出版タイプ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_1617605131499":{"attribute_name":"File","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_access","date":[{"dateType":"Available","dateValue":"2023-03-18"}],"displaytype":"simple","filename":"JGradSchBiospSciHU_55_1.pdf","filesize":[{"value":"1.6 MB"}],"mimetype":"application/pdf","url":{"objectType":"fulltext","url":"https://hiroshima.repo.nii.ac.jp/record/2023772/files/JGradSchBiospSciHU_55_1.pdf"},"version_id":"cbfd4811-17b3-4138-9670-2f3d40ac27c3"}]},"item_1617620223087":{"attribute_name":"Heading","attribute_value_mlt":[{"subitem_heading_banner_headline":"原著論文","subitem_heading_language":"ja"},{"subitem_heading_banner_headline":"Original Articles","subitem_heading_language":"en"}]},"item_1732771732025":{"attribute_name":"旧ID","attribute_value":"43703"},"item_title":"耳石Sr:Ca比によって推定した利根川産大型ヤマメの回遊履歴","item_type_id":"40003","owner":"41","path":["1730443515198"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2023-03-18"},"publish_date":"2023-03-18","publish_status":"0","recid":"2023772","relation_version_is_last":true,"title":["耳石Sr:Ca比によって推定した利根川産大型ヤマメの回遊履歴"],"weko_creator_id":"41","weko_shared_id":-1},"updated":"2025-06-04T07:37:09.491270+00:00"}