{"created":"2025-03-26T02:47:41.642151+00:00","id":2013988,"links":{},"metadata":{"_buckets":{"deposit":"33ef3c5b-a81b-4bb4-bed8-a6216ac3ca3f"},"_deposit":{"created_by":92,"id":"2013988","owner":"92","owners":[92],"pid":{"revision_id":0,"type":"depid","value":"2013988"},"status":"published"},"_oai":{"id":"oai:fra.repo.nii.ac.jp:02013988","sets":["1:1735006234112"]},"author_link":["350","989","455","691","476"],"control_number":"2013988","item_10002_biblio_info_7":{"attribute_name":"bibliographic_information","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2022-12-12","bibliographicIssueDateType":"Issued"},"bibliographicNumberOfPages":"17","bibliographicPageEnd":"34","bibliographicPageStart":"18","bibliographicVolumeNumber":"76","bibliographic_titles":[{"bibliographic_title":"SH\"U\"N サスティナブルでヘルシーな “うまい” 日本の魚プロジェクトホームページ（閉鎖）","bibliographic_titleLang":"ja"}]}]},"item_10002_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"本海域のイカナゴ類は3種が混ざっているが漁獲統計は区別されておらず生物特性、生態等が詳らかでない種も存在する。北海道の調査により定期的に海洋観測が行われている。漁業情報だけでは混獲や漁獲物組成に関する情報は十分得られていない。\n\nイカナゴ類を狙う沖底では混獲利用種、非利用種はともにほぼなしと考えられる。対象海域に分布する希少種へのリスクは全体的に低いと判断された。\n\n食物網を通じた間接影響については、複数の種で懸念が認められると考えられた。生態系全体への影響に関しては、長期的に総漁獲量及び漁獲物平均栄養段階の低下が認められ、沖底の影響を排除できなかった。漁業による海底環境の影響については、宗谷海峡周辺の沖底1そうびき(オッタートロール)の強度と規模は低く、漁獲物栄養段階組成に顕著な定向的変化は認められなかったため、海底環境の変化は重篤ではないと判断された。","subitem_description_language":"ja","subitem_description_type":"Abstract"}]},"item_10002_description_6":{"attribute_name":"内容記述","attribute_value_mlt":[{"subitem_description":"2. 海洋環境と生態系への配慮\n\n　概要\n\n　評価範囲\n\n　2.1 操業機の環境・生態系情報，科学調査，モニタリング\n　　2.1.1 基盤情報の蓄積\n　　2.1.2 科学調査の実施\n　　2.1.3 漁業活動を通じたモニタリング\n\n　2.2 同時漁獲種\n　　2.2.1 混獲利用種\n　　2.2.2 混獲非利用種\n　　2.2.3 希少種\n\n　2.3 生態系・環境\n　　2.3.1 食物網を通じた間接作用\n　　　2.3.1.1 捕食者\n　　　2.3.1.2 餌生物\n　　　2.3.1.3 競争者\n　　2.3.2 生態系全体\n　　2.3.3 種苗放流が生態系に与える影響\n　　2.3.4 海底環境\n　　2.3.5 水質環境\n　　2.3.6 大気環境\n　\n　引用文献","subitem_description_language":"ja","subitem_description_type":"TableOfContents"},{"subitem_description":"Ver.1.0.0\n編纂：岸田 達, 松川祐子, 杉崎宏哉\n編纂責任者：杉崎宏哉","subitem_description_language":"ja","subitem_description_type":"Other"}]},"item_10002_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"水産研究・教育機構","subitem_publisher_language":"ja"}]},"item_10002_radio_30":{"attribute_name":"item_10002_radio_30","attribute_value_mlt":[{"subitem_radio_item":"渡邉","subitem_radio_language":"ja"}]},"item_10002_relation_16":{"attribute_name":"情報源","attribute_value_mlt":[{"subitem_relation_name":[{"subitem_relation_name_language":"ja","subitem_relation_name_text":"SH\"U\"Nプロジェクト評価結果"}],"subitem_relation_type":"isPartOf","subitem_relation_type_id":{"subitem_relation_type_id_text":"SHUN_section2_76","subitem_relation_type_select":"Local"}}]},"item_10002_version_type_20":{"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_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Kawauchi, 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