{"created":"2023-07-25T09:59:20.775320+00:00","id":2664,"links":{},"metadata":{"_buckets":{"deposit":"8535304c-2edb-4cb8-9a6f-1484ccff5ab2"},"_deposit":{"created_by":15,"id":"2664","owners":[15],"pid":{"revision_id":0,"type":"depid","value":"2664"},"status":"published"},"_oai":{"id":"oai:oacis.repo.nii.ac.jp:00002664","sets":["134:660:661","78:564"]},"author_link":["3308","4127","600","2118"],"item_10010_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2016-09-26","bibliographicIssueDateType":"Issued"}}]},"item_10010_description_26":{"attribute_name":"注記","attribute_value_mlt":[{"subitem_description":"問い合わせ先は、発信当時のものです","subitem_description_type":"Other"}]},"item_10010_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"海洋を漂流・漂着するゴミの約70％を占める廃プラスチックは、漂着した海岸での紫外線や熱による劣化で次第に微細片化したのち、再び海洋を漂流していきます。大きさが5 mmを下回った微細プラスチック片は「マイクロプラスチック」と呼ばれ、表面に有害物質を吸着する性質がありますが、それが誤食によって海洋生物に取り込まれてしまうなど、海洋生態系への悪影響が危惧されています。これまでの研究によって、世界各地の沿岸域や日本海などの縁辺海、さらには太平洋や大西洋、あるいは北極海での浮遊が確認されています。このたび、環境省環境研究総合推進費(4-1502)の助成を受けて、マイクロプラスチックによる海洋汚染を調査している九州大学と東京海洋大学の共同研究チームが、東京海洋大学の海鷹丸で南極海の調査を行った結果、南極海に設定した全5測点から計44粒のプラスチック粒子が発見され、うち38粒は南極大陸に最も近い2測点で見つかりました。採集数と採集に用いた網を通過した海水量、そして船上観測した風速や波高をもとに推定した、マイクロプラスチックの浮遊密度(深さ方向の鉛直積分値)は、最も多い測点で28万6千粒/km2となりました。これは北太平洋での平均的な浮遊密度と同じ水準です。この研究成果は \"Microplastics in the Southern Ocean\"としてMarine Pollution Bulletin誌にて近日中にオンラインリリースされます。南極海でのマイクロプラスチックの浮遊を査読付学術誌に報告した研究は、これが世界で初めてのものとなります。","subitem_description_type":"Abstract"}]},"item_10010_description_6":{"attribute_name":"内容記述","attribute_value_mlt":[{"subitem_description":"プレスリリース掲載論文はこちら: https://doi.org/10.1016/j.marpolbul.2016.09.037","subitem_description_type":"Other"}]},"item_10010_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"東京海洋大学総務課広報室"}]},"item_10010_relation_17":{"attribute_name":"関連サイト","attribute_value_mlt":[{"subitem_relation_name":[{"subitem_relation_name_text":"プレスリリース掲載論文"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"http://id.nii.ac.jp/1342/00002592/","subitem_relation_type_select":"URI"}},{"subitem_relation_name":[{"subitem_relation_name_text":"東京海洋大学"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://www.kaiyodai.ac.jp/","subitem_relation_type_select":"URI"}},{"subitem_relation_name":[{"subitem_relation_name_text":"九州大学"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://www.kyushu-u.ac.jp/ja/","subitem_relation_type_select":"URI"}},{"subitem_relation_name":[{"subitem_relation_name_text":"環境省"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://www.env.go.jp/","subitem_relation_type_select":"URI"}},{"subitem_relation_name":[{"subitem_relation_name_text":"関連資料①"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"http://id.nii.ac.jp/1342/00002271/","subitem_relation_type_select":"URI"}},{"subitem_relation_name":[{"subitem_relation_name_text":"関連資料②"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://www.env.go.jp/press/102780.html","subitem_relation_type_select":"URI"}},{"subitem_relation_name":[{"subitem_relation_name_text":"東京海洋大学のプラスチック・スマート・アクション"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://www.kaiyodai.ac.jp/overview/sdgs/post_326.html","subitem_relation_type_select":"URI"}}]},"item_10010_rights_15":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"Copyright©All Rights Reserved Tokyo University of Marine Science and Technology"}]},"item_10010_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_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"磯辺, 篤彦"},{"creatorName":"イソベ, アツヒコ","creatorNameLang":"ja-Kana"}],"nameIdentifiers":[{"nameIdentifier":"3308","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"内山, 香織"},{"creatorName":"ウチヤマ, カオリ","creatorNameLang":"ja-Kana"}],"nameIdentifiers":[{"nameIdentifier":"4127","nameIdentifierScheme":"WEKO"}]},{"creatorAffiliations":[{"affiliationNameIdentifiers":[{"affiliationNameIdentifier":"","affiliationNameIdentifierScheme":"ISNI","affiliationNameIdentifierURI":"http://www.isni.org/isni/"}],"affiliationNames":[{"affiliationName":"","affiliationNameLang":"ja"}]}],"creatorNames":[{"creatorName":"Uchida, Keiichi","creatorNameLang":"en"},{"creatorName":"内田, 圭一 ","creatorNameLang":"ja"},{"creatorName":"ウチダ, ケイイチ","creatorNameLang":"ja-Kana"}],"familyNames":[{"familyName":"Uchida","familyNameLang":"en"},{"familyName":"内田","familyNameLang":"ja"},{"familyName":"ウチダ","familyNameLang":"ja-Kana"}],"givenNames":[{"givenName":"Keiichi","givenNameLang":"en"},{"givenName":"圭一 ","givenNameLang":"ja"},{"givenName":"ケイイチ","givenNameLang":"ja-Kana"}],"nameIdentifiers":[{"nameIdentifier":"600","nameIdentifierScheme":"WEKO"},{"nameIdentifier":"50313391","nameIdentifierScheme":"e-Rad","nameIdentifierURI":"https://kaken.nii.ac.jp/ja/search/?qm=50313391"}]},{"creatorAffiliations":[{"affiliationNameIdentifiers":[{"affiliationNameIdentifier":"","affiliationNameIdentifierScheme":"ISNI","affiliationNameIdentifierURI":"http://www.isni.org/isni/"}],"affiliationNames":[{"affiliationName":"","affiliationNameLang":"ja"}]}],"creatorNames":[{"creatorName":"Tokai, Tadashi","creatorNameLang":"en"},{"creatorName":"東海, 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