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"subitem_description_type": "Other"}, {"subitem_description": "\u6982\u8981\uff08\u6b27\u6587\uff09\uff1aDynamics and management of island ecosystem in the Ryukyu Archipelago which had been disturbed in various ways, e.g. inflow of huge amount of red day into shore ecosystems, were discussed and methods for its restoration were proposed. Research on coral reefs was conducted in cooperation with Research Institute for Subtropics in Naha, Okinawa and proposed an idea for the management of coral reef emphasizing the careful thought of reproductive modes of corals, spawners and brooders. Brooders established local demes in different areas, but gene exchange among sites was expected to be more frequent in spawners. Microenvironment affected the survival rates of corals after the disturbance by high temperature. Organic materials supplied from terretrial and river ecosystems, and so on are important for benthic animals on tidal flat as their foods in mangrove areas, but detritus carried from river system may contribute a lot. Bacterial flora developing on decomposing mangrove leaves is important food source in mangrove ecosystems. In Okinawa, evergreen broad-leaved forests dominated by Castanopsis sieboldii occur together with other climax forest without C. sieboldii. Since various disturbance affected in the latter forest, which is characterized by high species diversity and occurrence of rare species, and its area decreased, its restoration was discussed. Suitable habitats were detected for mongooses and wild cats, but anthropogenic disturbance affected their habitat and behavior in various ways. Theoretical and scientific confirmation were obtained for the management and restoration of island ecosystems, i.e. maintenance of high species diversity and selective management and conservation for undisturbed ecosystems are especially important.", "subitem_description_type": "Other"}, {"subitem_description": "\u672a\u516c\u958b\uff1aP.13\u4ee5\u964d\uff08\u5225\u5237\u8ad6\u6587\u306e\u305f\u3081\uff09", "subitem_description_type": "Other"}, {"subitem_description": "\u7814\u7a76\u5831\u544a\u66f8", "subitem_description_type": "Other"}]}, "item_1617186643794": {"attribute_name": "Publisher", "attribute_value_mlt": [{"subitem_1522300295150": "ja", "subitem_1522300316516": "\u571f\u5c4b\u8aa0"}]}, "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/20.500.12000/13007"}]}, "item_1617186920753": {"attribute_name": "Source Identifier", "attribute_value_mlt": [{"subitem_1522646500366": "NCID", "subitem_1522646572813": "BA63134785"}]}, "item_1617258105262": {"attribute_name": "Resource Type", "attribute_value_mlt": [{"resourcetype": "research report", "resourceuri": "http://purl.org/coar/resource_type/c_18ws"}]}, "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", "download_preview_message": "", "file_order": 0, "filename": "12794001.pdf", "future_date_message": "", "is_thumbnail": false, "mimetype": "", "size": 0, "url": {"objectType": "fulltext", "url": "https://u-ryukyu.repo.nii.ac.jp/record/2005022/files/12794001.pdf"}, "version_id": "37b12119-2097-4c0f-84ce-335b16cdd3db"}]}, "item_title": "\u7409\u7403\u5217\u5cf6\u306e\u5cf6\u5dbc\u751f\u614b\u7cfb\u306b\u304a\u3051\u308b\u81ea\u7136\u74b0\u5883\u306e\u4fee\u5fa9\u6280\u8853\u306e\u958b\u767a\u3068\u4fdd\u5168\u306b\u95a2\u3059\u308b\u7814\u7a76", "item_type_id": "15", "owner": "1", "path": ["1642838403123", "1642838406414"], "permalink_uri": "http://hdl.handle.net/20.500.12000/13007", "pubdate": {"attribute_name": "PubDate", "attribute_value": "2009-11-10"}, "publish_date": "2009-11-10", "publish_status": "0", "recid": "2005022", "relation": {}, "relation_version_is_last": true, "title": ["\u7409\u7403\u5217\u5cf6\u306e\u5cf6\u5dbc\u751f\u614b\u7cfb\u306b\u304a\u3051\u308b\u81ea\u7136\u74b0\u5883\u306e\u4fee\u5fa9\u6280\u8853\u306e\u958b\u767a\u3068\u4fdd\u5168\u306b\u95a2\u3059\u308b\u7814\u7a76"], "weko_shared_id": -1}
  1. その他
  1. 部局別インデックス
  2. 理学部

琉球列島の島嶼生態系における自然環境の修復技術の開発と保全に関する研究

http://hdl.handle.net/20.500.12000/13007
http://hdl.handle.net/20.500.12000/13007
3d108ef5-9699-4986-80f5-4315409facb8
名前 / ファイル ライセンス アクション
12794001.pdf 12794001.pdf
Item type デフォルトアイテムタイプ(フル)(1)
公開日 2009-11-10
タイトル
タイトル 琉球列島の島嶼生態系における自然環境の修復技術の開発と保全に関する研究
言語 ja
作成者 土屋, 誠

× 土屋, 誠

ja 土屋, 誠

諸喜田, 茂充

× 諸喜田, 茂充

ja 諸喜田, 茂充

萩原, 秋男

× 萩原, 秋男

ja 萩原, 秋男

伊澤, 雅子

× 伊澤, 雅子

ja 伊澤, 雅子

渡久山, 章

× 渡久山, 章

ja 渡久山, 章

酒井, 一彦

× 酒井, 一彦

ja 酒井, 一彦

Tsuchiya, Makoto

× Tsuchiya, Makoto

en Tsuchiya, Makoto

Shokita, Shigemitsu

× Shokita, Shigemitsu

en Shokita, Shigemitsu

Hagihara, Akio

× Hagihara, Akio

en Hagihara, Akio

Izawa, Masako

× Izawa, Masako

en Izawa, Masako

Tokuyama, Akira

× Tokuyama, Akira

en Tokuyama, Akira

Sakai, Kazuhiko

× Sakai, Kazuhiko

en Sakai, Kazuhiko

アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
主題
言語 ja
主題Scheme Other
主題 琉球列島
言語 ja
主題Scheme Other
主題 島嶼生態系
言語 ja
主題Scheme Other
主題 サンゴ礁
言語 ja
主題Scheme Other
主題 マングローブ
言語 ja
主題Scheme Other
主題 赤土
言語 ja
主題Scheme Other
主題 環境修復
言語 ja
主題Scheme Other
主題 多様性
言語 ja
主題Scheme Other
主題 ベントス
言語 ja
主題Scheme Other
主題 生物多様性
言語 ja
主題Scheme Other
主題 イリオモテヤマネコ
言語 ja
主題Scheme Other
主題 赤土汚染
言語 ja
主題Scheme Other
主題 亜熱帯常緑広葉樹林
言語 ja
主題Scheme Other
主題 都市環境
言語 ja
主題Scheme Other
主題 物質循環
言語 ja
主題Scheme Other
主題 マングローブ林
内容記述
内容記述タイプ Other
内容記述 科研費番号: 12794001
内容記述タイプ Other
内容記述 平成12年度~平成14年度科学研究費補助金(地域連携推進研究費)研究成果報告書
内容記述タイプ Other
内容記述 研究概要:攪乱を受け続けている琉球列島の島嶼生態系の実態と動態を解明し、修復のための方策を探るために研究を行った。特にサンゴ礁については連携先の財団法人亜熱帯研究所(那覇市在)と共同研究を行い、幼生供給源の保全方策について、繁殖様式の違い(幼生保育型、放卵放精型)に注目して議論する重要性を示した。前者は地域ごとに特徴ある個体群が出来上がっていることを確認し、各地域の保全が重要であることが明らかになった。また微細地形と水温条件の複合した影響がサンゴ群集に現れており、多様な修復策の必要性が示された。マングローブの有機物供給が周辺干潟生態系における動物の食物源として重要であるが、マングローブが存在しない地域ではより上流から供給される食物源の貢献度が高い。またマングローブ葉の分解過程に繁殖するバクテリアは常にベントスの食物として重要であることが、ベントスの脂肪酸組成の解析により明らかになった。沖縄島にはイタジイを優占種とする極相林の他にイタジイを欠く森林も存在する。この後者は近年多くの攪乱を受け、その面積が減少しているので修復を目指した研究を実施した。高い多様性、希少種を多く含む種組成に明確な特徴を有する。森林域に生息するイリオモテヤマネコやジャワマングースについて好適生息の特定ができた。しかしながら森林生態系に人為的攪乱が影響を及ぼし赤土が流れ出た場合には全ての生態系に多様な影響が及ぶことになる。これらの研究により、島嶼生態系の保全には、生態系の多様性の維持が最も重要であること、および攪乱を受けていない生態系を重点的に保全することの理論的裏付けが得られた。
内容記述タイプ Other
内容記述 概要(欧文):Dynamics and management of island ecosystem in the Ryukyu Archipelago which had been disturbed in various ways, e.g. inflow of huge amount of red day into shore ecosystems, were discussed and methods for its restoration were proposed. Research on coral reefs was conducted in cooperation with Research Institute for Subtropics in Naha, Okinawa and proposed an idea for the management of coral reef emphasizing the careful thought of reproductive modes of corals, spawners and brooders. Brooders established local demes in different areas, but gene exchange among sites was expected to be more frequent in spawners. Microenvironment affected the survival rates of corals after the disturbance by high temperature. Organic materials supplied from terretrial and river ecosystems, and so on are important for benthic animals on tidal flat as their foods in mangrove areas, but detritus carried from river system may contribute a lot. Bacterial flora developing on decomposing mangrove leaves is important food source in mangrove ecosystems. In Okinawa, evergreen broad-leaved forests dominated by Castanopsis sieboldii occur together with other climax forest without C. sieboldii. Since various disturbance affected in the latter forest, which is characterized by high species diversity and occurrence of rare species, and its area decreased, its restoration was discussed. Suitable habitats were detected for mongooses and wild cats, but anthropogenic disturbance affected their habitat and behavior in various ways. Theoretical and scientific confirmation were obtained for the management and restoration of island ecosystems, i.e. maintenance of high species diversity and selective management and conservation for undisturbed ecosystems are especially important.
内容記述タイプ Other
内容記述 未公開:P.13以降(別刷論文のため)
内容記述タイプ Other
内容記述 研究報告書
出版者
言語 ja
出版者 土屋誠
言語
言語 jpn
資源タイプ
資源タイプ research report
資源タイプ識別子 http://purl.org/coar/resource_type/c_18ws
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
識別子
識別子 http://hdl.handle.net/20.500.12000/13007
識別子タイプ HDL
収録物識別子
収録物識別子タイプ NCID
収録物識別子 BA63134785
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