{"_buckets": {"deposit": "5226d4be-067b-4bfd-adca-4b19c5ba59b3"}, "_deposit": {"created_by": 1, "id": "62855", "owners": [1], "pid": {"revision_id": 0, "type": "depid", "value": "62855"}, "status": "published"}, "_oai": {"id": "oai:repo.qst.go.jp:00062855", "sets": ["29"]}, "author_link": ["620872", "620880", "620881", "620876", "620878", "620877", "620871", "620873", "620883", "620882", "620879", "620875", "620874"], "item_10005_date_7": {"attribute_name": "発表年月日", "attribute_value_mlt": [{"subitem_date_issued_datetime": "2008-09-12", "subitem_date_issued_type": "Issued"}]}, "item_10005_description_5": {"attribute_name": "抄録", "attribute_value_mlt": [{"subitem_description": "日本最大の淡水魚であるイトウ（Hucho perryi）は近年著しく個体数が減少し絶滅危惧IBに指定されている。イトウの生態については、産卵生態こそ明らかにされつつあるものの、降海性を中心とした生態や生活史に関する知見は不十分である。魚類の生息環境履歴は、淡水より海水に100倍以上多く含まれ、硬組織に蓄積されるストロンチウム（Sr）に着目しその分布を分析することで推定できる。しかし、イトウにおいては硬組織の形成速度や微量元素の取り込みなど、淡水・海水環境下における石灰化に関する基礎知見がほとんどない。そこで本研究は、生息環境履歴推定のための基礎研究として、イトウの飼育実験を行い、成長に伴って形成される鱗の隆起線と対応させたSrの分析を行い、淡水及び海水飼育個体について比較検討することとした。", "subitem_description_type": "Abstract"}]}, "item_10005_description_6": {"attribute_name": "会議概要（会議名, 開催地, 会期, 主催者等）", "attribute_value_mlt": [{"subitem_description": "第２５回PIXEシンポジウム", "subitem_description_type": "Other"}]}, "item_access_right": {"attribute_name": "アクセス権", "attribute_value_mlt": [{"subitem_access_right": "metadata only access", "subitem_access_right_uri": "http://purl.org/coar/access_right/c_14cb"}]}, "item_creator": {"attribute_name": "著者", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "鈴木, 享子"}], "nameIdentifiers": [{"nameIdentifier": "620871", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "吉冨, 友恭"}], "nameIdentifiers": [{"nameIdentifier": "620872", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "市村, 政樹"}], "nameIdentifiers": [{"nameIdentifier": "620873", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "武田, 志乃"}], "nameIdentifiers": [{"nameIdentifier": "620874", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "石川, 剛弘"}], "nameIdentifiers": [{"nameIdentifier": "620875", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "磯, 浩之"}], "nameIdentifiers": [{"nameIdentifier": "620876", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "及川, 将一"}], "nameIdentifiers": [{"nameIdentifier": "620877", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "今関, 等"}], "nameIdentifiers": [{"nameIdentifier": "620878", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "武田 志乃", "creatorNameLang": "en"}], "nameIdentifiers": [{"nameIdentifier": "620879", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "石川 剛弘", "creatorNameLang": "en"}], "nameIdentifiers": [{"nameIdentifier": "620880", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "磯 浩之", "creatorNameLang": "en"}], "nameIdentifiers": [{"nameIdentifier": "620881", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "及川 将一", "creatorNameLang": "en"}], "nameIdentifiers": [{"nameIdentifier": "620882", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "今関 等", "creatorNameLang": "en"}], "nameIdentifiers": [{"nameIdentifier": "620883", "nameIdentifierScheme": "WEKO"}]}]}, "item_language": {"attribute_name": "言語", "attribute_value_mlt": [{"subitem_language": "jpn"}]}, "item_resource_type": {"attribute_name": "資源タイプ", "attribute_value_mlt": [{"resourcetype": "conference object", "resourceuri": "http://purl.org/coar/resource_type/c_c94f"}]}, "item_title": "淡水・海水飼育下におけるイトウ鱗のストロンチウム含量の比較", "item_titles": {"attribute_name": "タイトル", "attribute_value_mlt": [{"subitem_title": "淡水・海水飼育下におけるイトウ鱗のストロンチウム含量の比較"}]}, "item_type_id": "10005", "owner": "1", "path": ["29"], "permalink_uri": "https://repo.qst.go.jp/records/62855", "pubdate": {"attribute_name": "公開日", "attribute_value": "2008-11-18"}, "publish_date": "2008-11-18", "publish_status": "0", "recid": "62855", "relation": {}, "relation_version_is_last": true, "title": ["淡水・海水飼育下におけるイトウ鱗のストロンチウム含量の比較"], "weko_shared_id": -1}