{"created":"2024-06-10T08:46:35.950414+00:00","id":2007142,"links":{},"metadata":{"_buckets":{"deposit":"6b0fcc3a-e94d-461c-9426-8dbe90d9c2aa"},"_deposit":{"created_by":10,"id":"2007142","owners":[10],"pid":{"revision_id":0,"type":"depid","value":"2007142"},"status":"published"},"_oai":{"id":"oai:fra.repo.nii.ac.jp:02007142","sets":["12:14:1716950799012"]},"author_link":[],"item_10002_alternative_title_1":{"attribute_name":"その他（別言語等）のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"大量斃死の状況と環境について","subitem_alternative_title_language":"ja"}]},"item_10002_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1964-12","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"tnf_k_24_88","bibliographicNumberOfPages":"14","bibliographicPageEnd":"101","bibliographicPageStart":"88","bibliographicVolumeNumber":"24","bibliographic_titles":[{"bibliographic_title":"東北海区水産研究所研究報告","bibliographic_titleLang":"ja"},{"bibliographic_title":"Bulletin of Tohoku Regional Fisheries Research Laboratory","bibliographic_titleLang":"en"}]}]},"item_10002_description_6":{"attribute_name":"内容記述","attribute_value_mlt":[{"subitem_description":"1962年秋から1963年春にかけて松島湾の3個所(Fig.1)でアサクサノリを主体としたノリ養殖を行ない、生育期間中のノリの着生密度の変化，体長組成の変化，生長とそれに及ぼす摘採の影響を調査した。その結果、次の点についての資料を得ることができた。1)摘採を行なった3枚の試験?では網糸10cm当り1,000個体程度で、網?1枚(18×1.2m)当り1,500～3,000枚の乾ノリを収穫できた。その収量は漁場によって異なる。2)ノリの着生密度はいずれも11月・12月に最大となり、その後摘採したと否とにかかわらず漸次減少する。3)単位長さの?上に生育するノリの葉体の面積の合計を推定した。経験的に適当とされる摘採時期は網糸10cm当り推定面積が1,400～1,800cm2(乾燥重量で約0.8～1.1g)となった時であり、1回の摘採で700～1,000cm2のノリが収穫される。また、体長からみると、摘採は大形個体の平均体長が11～16cmになったときであり、体長7,8cm以上の個体を対象とし、1回の摘採で網糸10cm当り20～50個体が収穫され、摘採される個体の約半数は基部からとり除かれ、約半数は体の途中から摘みとられる。4)推定面積から求めた平均生長速度は初摘み頃に最大となり、以後時期と共に低下する。5)体長区分を対数目盛とした体長組成(Fig.6)をとると、初期の間は対数正規分布に近い様式を示すが、一部個体が急激に伸長すると共に小形群と大形群の2つに分離した双峰性の様式に移行し、その後小形群が減少して行く。","subitem_description_language":"ja","subitem_description_type":"Abstract"}]},"item_10002_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"東北海区水産研究所","subitem_publisher_language":"ja"},{"subitem_publisher":"Tohoku Regional Fisheries Research Laboratory","subitem_publisher_language":"en"}]},"item_10002_relation_16":{"attribute_name":"情報源","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"tnf_k_24_88","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/2010844001","subitem_relation_type_select":"URI"}}]},"item_10002_source_id_11":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00167637","subitem_source_identifier_type":"NCID"}]},"item_10002_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0049-402X","subitem_source_identifier_type":"PISSN"}]},"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":"吉田, 忠生","creatorNameLang":"ja"}],"familyNames":[{"familyName":"吉田","familyNameLang":"ja"}],"givenNames":[{"givenName":"忠生","givenNameLang":"ja"}]},{"creatorNames":[{"creatorName":"桜井, 保雄","creatorNameLang":"ja"}],"familyNames":[{"familyName":"桜井","familyNameLang":"ja"}],"givenNames":[{"givenName":"保雄","givenNameLang":"ja"}]},{"creatorNames":[{"creatorName":"黒木, 宗尚","creatorNameLang":"ja"}],"familyNames":[{"familyName":"黒木","familyNameLang":"ja"}],"givenNames":[{"givenName":"宗尚","givenNameLang":"ja"}]}]},"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":"departmental bulletin paper","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"養殖アサクサノリの着生密度・生長と収量について","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"養殖アサクサノリの着生密度・生長と収量について","subitem_title_language":"ja"}]},"item_type_id":"10002","owner":"10","path":["1716950799012"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2024-06-10"},"publish_date":"2024-06-10","publish_status":"0","recid":"2007142","relation_version_is_last":true,"title":["養殖アサクサノリの着生密度・生長と収量について"],"weko_creator_id":"10","weko_shared_id":-1},"updated":"2025-02-04T00:23:42.931906+00:00"}