{"created":"2022-01-27T02:49:53.768936+00:00","id":2003147,"links":{},"metadata":{"_buckets":{"deposit":"add55e2a-b26c-429b-8b4c-1d3afff96c72"},"_deposit":{"id":"2003147","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"2003147"},"status":"published"},"_oai":{"id":"oai:u-ryukyu.repo.nii.ac.jp:02003147","sets":["1642837622505:1642837905044:1642837912269","1642838403551:1642838407312"]},"author_link":[],"item_1617186331708":{"attribute_name":"Title","attribute_value_mlt":[{"subitem_1551255647225":"除伐後の林分構造(亜熱帯地域における常緑広葉樹林の択伐方式による施業法の研究 (III))(附属演習林)","subitem_1551255648112":"ja"},{"subitem_1551255647225":"On the stand composition after improvement cutting (Studies on the working techniques by selection system for the broad leaved forest in the subtropics (III)) (Forestry Experiment Station)","subitem_1551255648112":"en"}]},"item_1617186419668":{"attribute_name":"Creator","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"平田, 永二","creatorNameLang":"ja"}]},{"creatorNames":[{"creatorName":"砂川, 季昭","creatorNameLang":"ja"}]},{"creatorNames":[{"creatorName":"西沢, 正久","creatorNameLang":"ja"}]},{"creatorNames":[{"creatorName":"山盛, 直","creatorNameLang":"ja"}]},{"creatorNames":[{"creatorName":"新本, 光孝","creatorNameLang":"ja"}]},{"creatorNames":[{"creatorName":"田場, 和雄","creatorNameLang":"ja"}]},{"creatorNames":[{"creatorName":"Hirata, Eiji","creatorNameLang":"en"}]},{"creatorNames":[{"creatorName":"Sunakawa, Sueaki","creatorNameLang":"en"}]},{"creatorNames":[{"creatorName":"Nishizawa, Masahisa","creatorNameLang":"en"}]},{"creatorNames":[{"creatorName":"Yamamori, Naoshi","creatorNameLang":"en"}]},{"creatorNames":[{"creatorName":"Aramoto, Mistunori","creatorNameLang":"en"}]},{"creatorNames":[{"creatorName":"Taba, Kazuo","creatorNameLang":"en"}]}]},"item_1617186476635":{"attribute_name":"Access Rights","attribute_value_mlt":[{"subitem_1522299639480":"open access","subitem_1600958577026":"http://purl.org/coar/access_right/c_abf2"}]},"item_1617186626617":{"attribute_name":"Description","attribute_value_mlt":[{"subitem_description":"本報は, 琉球大学与那演習林79林班は小班内に設置された択伐試験地において, 相対幹距(Sr)を基準にして第1回目の保育伐(除伐)を行い, その結果についてまとめたものである。1.除伐後のha当り本数は, プロット2(Sr=13%)6025本, プロット3(Sr=17%)3817本, プロット4(Sr=21%)2917本, プロット7(Sr=13%)7475本, プロット8(Sr=17%)6150本, プロット9(Sr=21%)4150本である。2.目的樹種の構成比は, 除伐前に比べてやや上昇したが, しかし, なお10%前後の目的外樹種が保残残されている。3.除伐によって, 平均直径は0.2∿1.5cm, 平的樹高は0.1∿0.8mそれぞれ増大した。4.除伐率は, プロット2,3,4,7,8,9の順に, 44%, 31.4%, 46.3%, 16.1%, 31.0%, 35.3%で, ha当り材積はプロット2から順にそれぞれ125m^3,116m^3,85m^3,113m^3,83m^3,72m^3となっている。5.ワイブル分布のパラメーターb, c値が増加し, 除伐前に比べてやや正規型の直径分布を示した。しかし, 択伐林の直径分布は通常逆J字型の分布(マイヤー分布)を示すものと考えられ, その点では今回の除伐法には疑問も残るが, このことについては今後の研究課題にしたい。","subitem_description_type":"Other"},{"subitem_description":"紀要論文","subitem_description_type":"Other"}]},"item_1617186643794":{"attribute_name":"Publisher","attribute_value_mlt":[{"subitem_1522300295150":"ja","subitem_1522300316516":"琉球大学農学部"}]},"item_1617186702042":{"attribute_name":"Language","attribute_value_mlt":[{"subitem_1551255818386":"jpn"}]},"item_1617186783814":{"attribute_name":"Identifier","attribute_value_mlt":[{"subitem_identifier_type":"HDL","subitem_identifier_uri":"http://hdl.handle.net/20.500.12000/4118"}]},"item_1617186920753":{"attribute_name":"Source Identifier","attribute_value_mlt":[{"subitem_1522646500366":"ISSN","subitem_1522646572813":"0370-4246"},{"subitem_1522646500366":"NCID","subitem_1522646572813":"AN00250548"}]},"item_1617186941041":{"attribute_name":"Source Title","attribute_value_mlt":[{"subitem_1522650068558":"ja","subitem_1522650091861":"琉球大学農学部学術報告"},{"subitem_1522650068558":"en","subitem_1522650091861":"The Science Bulletin of the Faculty of Agriculture. University of the Ryukyus"}]},"item_1617187056579":{"attribute_name":"Bibliographic Information","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1980-11-29","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"27","bibliographicPageEnd":"385","bibliographicPageStart":"381"}]},"item_1617258105262":{"attribute_name":"Resource Type","attribute_value_mlt":[{"resourcetype":"departmental bulletin paper","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_1617265215918":{"attribute_name":"Version Type","attribute_value_mlt":[{"subitem_1522305645492":"VoR","subitem_1600292170262":"http://purl.org/coar/version/c_970fb48d4fbd8a85"}]},"item_1617605131499":{"attribute_name":"File","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_access","filename":"KJ00000162076.pdf","mimetype":"application/pdf","url":{"objectType":"fulltext","url":"https://u-ryukyu.repo.nii.ac.jp/record/2003147/files/KJ00000162076.pdf"},"version_id":"9676d1a2-97b5-4adc-90e4-8ff416c1110f"}]},"item_title":"除伐後の林分構造(亜熱帯地域における常緑広葉樹林の択伐方式による施業法の研究 (III))(附属演習林)","item_type_id":"15","owner":"1","path":["1642837912269","1642838407312"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2008-02-14"},"publish_date":"2008-02-14","publish_status":"0","recid":"2003147","relation_version_is_last":true,"title":["除伐後の林分構造(亜熱帯地域における常緑広葉樹林の択伐方式による施業法の研究 (III))(附属演習林)"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2022-10-31T01:16:24.218305+00:00"}