{"created":"2024-10-03T01:30:04.358345+00:00","id":2010958,"links":{},"metadata":{"_buckets":{"deposit":"4e83076f-7369-4e97-a1ba-dbc4dad42555"},"_deposit":{"created_by":10,"id":"2010958","owners":[10],"pid":{"revision_id":0,"type":"depid","value":"2010958"},"status":"published"},"_oai":{"id":"oai:fra.repo.nii.ac.jp:02010958","sets":["1:8:1724310827352"]},"author_link":["677","807","879","352"],"item_10002_biblio_info_7":{"attribute_name":"bibliographic_information","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2019-02","bibliographicIssueDateType":"Issued"},"bibliographicNumberOfPages":"8","bibliographicPageEnd":"72","bibliographicPageStart":"65","bibliographicVolumeNumber":"49","bibliographic_titles":[{"bibliographic_title":"水産研究・教育機構研究報告","bibliographic_titleLang":"ja"},{"bibliographic_title":"Bulletin of  Japan Fisheries Research and Education Agency","bibliographic_titleLang":"en"}]}]},"item_10002_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Saccharina longissima (Naga-konbu in Japanese) is distributed in shallow Pacific coastal areas from eastern Hokkaido (Kushiro and Nemuro) to Chishima Island. It is a commercially important Laminariacean kelp species in this area. The variations in the blade size of S. longissima (age 1+) were analyzed in Habomai, eastern Hokkaido, Japan. The fisheries cooperative association of Habomai in Nemuro monitored the blade size of the kelp in the harvest grounds along more than 15 km of coastline in May and June from 2000 to 2014. The monitoring data showed that the blade weight varied among years, and the growth of blade weight was greater in 2002 and 2009 then the other years. The kelps had a poorer growth of the blade in 2001, 2011 and 2013. Correlation analysis revealed that the coefficients between the blade weight in May and the monthly mean water temperature in spring to autumn in the previous year were negative but positive in winter to spring in the same year. Generalized linear regression model (GLM) analysis of the blade weight in May also revealed that the growth models including only monthly mean water temperature (January, April, July and October in the previous year, January, April during in the same year) and longitude effectively estimated the variation of the annual mean weight. Correlation analysis also revealed that the mean wet weight of S. longissima in May represents the growth condition of the kelp of the year, and it is useful for predicting the annual fisheries production in this area. These results suggested that the weight growth of S. longissima is affected by the ambient water temperature both in the previous and the same years. High temperature in the preceding autumn and extremely low temperature in the preceding winter to spring reduce the blade weight in the summer harvest season. Therefore, the increasing trends of water temperature in recent years may be one of the factors decreasing the fisheries production of the kelp in eastern Hokkaido.","subitem_description_language":"en","subitem_description_type":"Abstract"}]},"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"},{"subitem_publisher":"Japan Fisheries Research and Education 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ナツキ","creatorNameLang":"ja-Kana"}],"familyNames":[{"familyName":"Hasegawa","familyNameLang":"en"},{"familyName":"長谷川","familyNameLang":"ja"},{"familyName":"ハセガワ","familyNameLang":"ja-Kana"}],"givenNames":[{"givenName":"Natsuki","givenNameLang":"en"},{"givenName":"夏樹","givenNameLang":"ja"},{"givenName":"ナツキ","givenNameLang":"ja-Kana"}],"nameIdentifiers":[{"nameIdentifier":"807","nameIdentifierScheme":"WEKO"},{"nameIdentifier":"50470141","nameIdentifierScheme":"e-Rad","nameIdentifierURI":"https://kaken.nii.ac.jp/ja/search/?qm=50470141"},{"nameIdentifier":"0000-0002-5747-611X","nameIdentifierScheme":"ORCID","nameIdentifierURI":"https://orcid.org/0000-0002-5747-611X"}]},{"creatorAffiliations":[{"affiliationNameIdentifiers":[],"affiliationNames":[{"affiliationName":"","affiliationNameLang":"ja"}]}],"creatorNames":[{"creatorName":"Onitsuka, Toshihiro","creatorNameLang":"en"},{"creatorName":"鬼塚, 年弘","creatorNameLang":"ja"},{"creatorName":"オニツカ, トシヒロ","creatorNameLang":"ja-Kana"}],"familyNames":[{"familyName":"Onitsuka","familyNameLang":"en"},{"familyName":"鬼塚","familyNameLang":"ja"},{"familyName":"オニツカ","familyNameLang":"ja-Kana"}],"givenNames":[{"givenName":"Toshihiro","givenNameLang":"en"},{"givenName":"年弘","givenNameLang":"ja"},{"givenName":"トシヒロ","givenNameLang":"ja-Kana"}],"nameIdentifiers":[{"nameIdentifier":"352","nameIdentifierScheme":"WEKO"},{"nameIdentifier":"60536051","nameIdentifierScheme":"e-Rad","nameIdentifierURI":"https://kaken.nii.ac.jp/ja/search/?qm=60536051"}]},{"creatorAffiliations":[{"affiliationNameIdentifiers":[],"affiliationNames":[{"affiliationName":"","affiliationNameLang":"ja"}]}],"creatorNames":[{"creatorName":"Ito, Sayaka","creatorNameLang":"en"},{"creatorName":"伊藤, 明","creatorNameLang":"ja"},{"creatorName":"イトウ, 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トモノリ","creatorNameLang":"ja-Kana"}],"familyNames":[{"familyName":"Azumaya","familyNameLang":"en"},{"familyName":"東屋","familyNameLang":"ja"},{"familyName":"アズマヤ","familyNameLang":"ja-Kana"}],"givenNames":[{"givenName":"Tomonori","givenNameLang":"en"},{"givenName":"知範","givenNameLang":"ja"},{"givenName":"トモノリ","givenNameLang":"ja-Kana"}],"nameIdentifiers":[{"nameIdentifier":"677","nameIdentifierScheme":"WEKO"},{"nameIdentifier":"60344321","nameIdentifierScheme":"e-Rad","nameIdentifierURI":"https://kaken.nii.ac.jp/ja/search/?qm=60344321"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_access","date":[{"dateType":"Available","dateValue":"2024-10-02"}],"filename":"fra_k_49_65.pdf","filesize":[{"value":"1.1 MB"}],"format":"application/pdf","licensetype":"license_0","mimetype":"application/pdf","url":{"url":"https://fra.repo.nii.ac.jp/record/2010958/files/fra_k_49_65.pdf"},"version_id":"ea3357cd-c59d-4885-b0d8-b9360ffd97fd"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"Saccharina longissima (Naga-konbu); Laminariacean kelp; growth; water temperature; eastern Hokkaido","subitem_subject_language":"en","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"item_resource_type","attribute_value_mlt":[{"resourcetype":"departmental bulletin paper","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"Growth variation in long blade kelp Saccharina longissima in eastern Hokkaido, Japan","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Growth variation in long blade kelp Saccharina longissima in eastern Hokkaido, Japan","subitem_title_language":"en"}]},"item_type_id":"10002","owner":"10","path":["1724310827352"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2024-10-02"},"publish_date":"2024-10-02","publish_status":"0","recid":"2010958","relation_version_is_last":true,"title":["Growth variation in long blade kelp Saccharina longissima in eastern Hokkaido, Japan"],"weko_creator_id":"10","weko_shared_id":-1},"updated":"2025-03-28T07:10:32.844656+00:00"}