{"created":"2024-06-19T05:40:29.565322+00:00","id":2007933,"links":{},"metadata":{"_buckets":{"deposit":"c10a04a8-40b0-42e9-b859-0a7a22602182"},"_deposit":{"created_by":10,"id":"2007933","owners":[10],"pid":{"revision_id":0,"type":"depid","value":"2007933"},"status":"published"},"_oai":{"id":"oai:fra.repo.nii.ac.jp:02007933","sets":["12:14:1716955731445"]},"author_link":["2788","612","618"],"control_number":"2007933","item_10002_biblio_info_7":{"attribute_name":"bibliographic_information","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2006-03","bibliographicIssueDateType":"Issued"},"bibliographicNumberOfPages":"7","bibliographicPageEnd":"19","bibliographicPageStart":"13","bibliographicVolumeNumber":"28","bibliographic_titles":[{"bibliographic_title":"水産工学研究所技報","bibliographic_titleLang":"ja"},{"bibliographic_title":"Technical report of National Research Institute of Fisheries Engineering","bibliographic_titleLang":"en"}]}]},"item_10002_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"We conducted a parallel haul experiment using 2 offshore trawl fishing boats in Chiba Prefecture to examine a performance of the raised footrope trawl fishing gear. One boat employed a conventional trawl net and another employed the raised footrope trawl net. They towed nets in same fishing ground at same time. Headrope heights for both nets and bottom clearance (distance between bottom and fishing-line) for the raised footrope net were measured by using depth loggers and the bottom contact recorder. As a result, the raised footrope net had kept approximately 0.4 m of bottom clearance. Comparison in catch compositions and size distributions in both nets indicated both nets captured Japanese common squid equally while blackthroat seaperch, flounder species, bycacth of unwanted species and marine debris were decreased. The raised footrope net also tended to capture smaller sizes of Japanese horse mackerel, but we considered this was due to the difference in the headrope heights of both nets","subitem_description_language":"en","subitem_description_type":"Abstract"},{"subitem_description":"吊りグランドロープ構造としたトロール網(離底網)の魚種選択効果を調べるために,千葉県沖合底びき網漁船2隻により比較操業実験を行った。1隻の漁船は離底網を,もう1隻の漁船は従来の網を同じ海域で同時に曳網して漁獲物を比較した。実験の際には着底記録計により網の離底距離を,自記式水深計によりヘッドロープ高さを計測した。その結果,離底網は海底と網口の間に約0.4mの離底間隔を保っていた。離底網は,スルメイカを既存網と同様に漁獲した。一方,2つの網で漁獲されたマアジの大きさには違いがみられたが,これは2つの網のヘッドロープ高さの相違に起因すると考えられた。離底網を用いた場合,アカムツ,アナゴ類,異体類の漁獲と非商用種の生物やゴミなどの混獲が減少した。","subitem_description_language":"ja","subitem_description_type":"Abstract"}]},"item_10002_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"水産工学研究所","subitem_publisher_language":"ja"},{"subitem_publisher":"National Research Institute of Fisheries Engineering","subitem_publisher_language":"en"}]},"item_10002_radio_30":{"attribute_name":"item_10002_radio_30","attribute_value_mlt":[{"subitem_radio_item":"吉田","subitem_radio_language":"ja"}]},"item_10002_relation_16":{"attribute_name":"情報源","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"nrife_g_28_13","subitem_relation_type_select":"Local"}}]},"item_10002_relation_17":{"attribute_name":"関連サイト","attribute_value_mlt":[{"subitem_relation_name":[{"subitem_relation_name_language":"ja","subitem_relation_name_text":"日本農学文献記事索引(agriknowledge)"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://agriknowledge.affrc.go.jp/RN/2010730364","subitem_relation_type_select":"URI"}}]},"item_10002_source_id_11":{"attribute_name":"item_10002_source_id_11","attribute_value_mlt":[{"subitem_source_identifier":"AN1056052X","subitem_source_identifier_type":"NCID"}]},"item_10002_source_id_9":{"attribute_name":"item_10002_source_id_9","attribute_value_mlt":[{"subitem_source_identifier":"1341-8750","subitem_source_identifier_type":"PISSN"}]},"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_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":"Matsushita, Yoshiki","creatorNameLang":"en","creatorNameType":"Organizational"},{"creatorName":"松下, 吉樹","creatorNameLang":"ja","creatorNameType":"Organizational"},{"creatorName":"マツシタ, ヨシキ","creatorNameLang":"ja-Kana","creatorNameType":"Organizational"}],"familyNames":[{"familyName":"Matsushita","familyNameLang":"en"},{"familyName":"松下","familyNameLang":"ja"},{"familyName":"マツシタ","familyNameLang":"ja-Kana"}],"givenNames":[{"givenName":"Yoshiki","givenNameLang":"en"},{"givenName":"吉樹","givenNameLang":"ja"},{"givenName":"ヨシキ","givenNameLang":"ja-Kana"}],"nameIdentifiers":[{"nameIdentifier":"2788","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Fujita, Kaoru","creatorNameLang":"en","creatorNameType":"Organizational"},{"creatorName":"藤田, 薫","creatorNameLang":"ja","creatorNameType":"Organizational"},{"creatorName":"フジタ, カオル","creatorNameLang":"ja-Kana","creatorNameType":"Organizational"}],"familyNames":[{"familyName":"Fujita","familyNameLang":"en"},{"familyName":"藤田","familyNameLang":"ja"},{"familyName":"フジタ","familyNameLang":"ja-Kana"}],"givenNames":[{"givenName":"Kaoru","givenNameLang":"en"},{"givenName":"薫","givenNameLang":"ja"},{"givenName":"カオル","givenNameLang":"ja-Kana"}],"nameIdentifiers":[{"nameIdentifier":"612","nameIdentifierScheme":"WEKO"},{"nameIdentifier":"50372074","nameIdentifierScheme":"e-Rad_Researcher","nameIdentifierURI":"https://kaken.nii.ac.jp/ja/search/?qm=50372074"}]},{"creatorNames":[{"creatorName":"Honda, Naoto","creatorNameLang":"en","creatorNameType":"Organizational"},{"creatorName":"本多, 直人","creatorNameLang":"ja","creatorNameType":"Organizational"},{"creatorName":"ホンダ, ナオト","creatorNameLang":"ja-Kana","creatorNameType":"Organizational"}],"familyNames":[{"familyName":"Honda","familyNameLang":"en"},{"familyName":"本多","familyNameLang":"ja"},{"familyName":"ホンダ","familyNameLang":"ja-Kana"}],"givenNames":[{"givenName":"Naoto","givenNameLang":"en"},{"givenName":"直人","givenNameLang":"ja"},{"givenName":"ナオト","givenNameLang":"ja-Kana"}],"nameIdentifiers":[{"nameIdentifier":"618","nameIdentifierScheme":"WEKO"},{"nameIdentifier":"60372075","nameIdentifierScheme":"e-Rad_Researcher","nameIdentifierURI":"https://kaken.nii.ac.jp/ja/search/?qm=60372075"}]},{"creatorNames":[{"creatorName":"Shibata, Terukazu","creatorNameLang":"en","creatorNameType":"Organizational"},{"creatorName":"柴田, 輝和","creatorNameLang":"ja","creatorNameType":"Organizational"},{"creatorName":"シバタ, テルカズ","creatorNameLang":"ja-Kana","creatorNameType":"Organizational"}],"familyNames":[{"familyName":"Shibata","familyNameLang":"en"},{"familyName":"柴田","familyNameLang":"ja"},{"familyName":"シバタ","familyNameLang":"ja-Kana"}],"givenNames":[{"givenName":"Terukazu","givenNameLang":"en"},{"givenName":"輝和","givenNameLang":"ja"},{"givenName":"テルカズ","givenNameLang":"ja-Kana"}]}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"offshore trawl fishery; otter trawl fishing gear; gear modification; selectivity; footrope","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"沖合底びき網漁業; オッタートロール; 漁具改良; 選択性; グランドロープ","subitem_subject_language":"ja","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"item_resource_type","attribute_value_mlt":[{"resourcetype":"article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"千葉県沖合底びき網漁業における吊りグランドロープの魚種選択効果","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"千葉県沖合底びき網漁業における吊りグランドロープの魚種選択効果","subitem_title_language":"ja"},{"subitem_title":"Selectivity of a raised footrope trawl in offshore trawl fishery in Chiba Prefecture","subitem_title_language":"en"}]},"item_type_id":"10002","owner":"10","path":["1716955731445"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2024-06-19"},"publish_date":"2024-06-19","publish_status":"0","recid":"2007933","relation_version_is_last":true,"title":["千葉県沖合底びき網漁業における吊りグランドロープの魚種選択効果"],"weko_creator_id":"10","weko_shared_id":-1},"updated":"2025-06-12T01:47:17.332987+00:00"}