{"_buckets": {"deposit": "f97aa4b4-e617-4ff1-bd73-9bc7ce57dfa1"}, "_deposit": {"created_by": 15, "id": "2701", "owners": [15], "pid": {"revision_id": 0, "type": "depid", "value": "2701"}, "status": "published"}, "_oai": {"id": "oai:oacis.repo.nii.ac.jp:00002701", "sets": ["338", "339", "449", "337"]}, "author_link": ["2106", "2800", "4203", "2798", "4201", "4205", "4204", "3326", "4202", "2796", "2793", "2801"], "item_10010_biblio_info_7": {"attribute_name": "書誌情報", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2021-06-08", "bibliographicIssueDateType": "Issued"}, "bibliographic_titles": [{}]}]}, "item_10010_description_25": {"attribute_name": "研究課題番号", "attribute_value_mlt": [{"subitem_description": "15H02802", "subitem_description_type": "Other"}, {"subitem_description": "17H01852", "subitem_description_type": "Other"}]}, "item_10010_description_26": {"attribute_name": "注記", "attribute_value_mlt": [{"subitem_description": "問合せ先は、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": "発表ポイント\n◆「海の砂漠」と呼ばれる亜熱帯外洋域において、最新の高感度分析技術を駆使して海洋表層の生物生産を支える栄養塩供給プロセスを明らかにした。\n◆従来法では表層の生物生産に必要な下層からの栄養塩供給が把握できなかったが、高感度分析法により表層まで届くナノモルレベル（注 1）の窒素・リン供給を捉えることに成功した。\n◆大気および下層からの窒素・リン供給と生物的窒素固定（注 2）のデータを用いて生物生産に必要な窒素とリンの供給量を計算した。窒素については生物要求を十分に満たす供給があったが、リンについては生物要求の 1 割程度の供給しかないことが確認された。\n◆海洋表層では生物に利用された栄養塩をリサイクルして再利用する仕組み（再生）がある。亜熱帯外洋域では生物に含まれるリンは窒素に比べて再生されやすいため、ほんのわずかなナノモルレベルのリン供給であっても活発な生物生産を維持できることが示された。", "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://www.nature.com/articles/s41467-021-23837-y", "subitem_description_type": "Other"}, {"subitem_description": "問合せ先: 橋濱史典", "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": "https://www.nature.com/articles/s41467-021-23837-y", "subitem_relation_type_select": "URI"}}, {"subitem_relation_name": [{"subitem_relation_name_text": "KAKEN研究課題: 天然放射性リン同位体による亜熱帯海域のリン供給過程の解明"}], "subitem_relation_type_id": {"subitem_relation_type_id_text": "https://kaken.nii.ac.jp/ja/grant/KAKENHI-PROJECT-15H02802/", "subitem_relation_type_select": "URI"}}, {"subitem_relation_name": [{"subitem_relation_name_text": "KAKEN研究課題: 海水中の尿素の高感度分析法の開発と貧栄養海域の物質循環における尿素の役割の解明"}], "subitem_relation_type_id": {"subitem_relation_type_id_text": "https://kaken.nii.ac.jp/ja/grant/KAKENHI-PROJECT-17H01852/", "subitem_relation_type_select": "URI"}}, {"subitem_relation_name": [{"subitem_relation_name_text": "研究代表者: 神田 穣太 (東京海洋大学)"}], "subitem_relation_type_id": {"subitem_relation_type_id_text": "https://nrid.nii.ac.jp/ja/nrid/1000060202032/", "subitem_relation_type_select": "URI"}}, {"subitem_relation_name": [{"subitem_relation_name_text": "研究代表者: 橋濱 史典 (東京海洋大学)"}], "subitem_relation_type_id": {"subitem_relation_type_id_text": "https://nrid.nii.ac.jp/ja/nrid/1000080535807/", "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_subject_24": {"attribute_name": "科学研究費研究課題", "attribute_value_mlt": [{"subitem_subject": "天然放射性リン同位体による亜熱帯海域のリン供給過程の解明", "subitem_subject_scheme": "Other"}, {"subitem_subject": "Cosmogenic radiotracer study of phosphorus cycling in oligotrophic subtropical ocean", "subitem_subject_scheme": "Other"}, {"subitem_subject": "海水中の尿素の高感度分析法の開発と貧栄養海域の物質循環における尿素の役割の解明", "subitem_subject_scheme": "Other"}, {"subitem_subject": "Sensitive determination of 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