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"title": ["上越市西部中山間地域の水田節足動物群集-集落と農法のちがいが生息密度と種多様度におよぼす影響-"], "weko_shared_id": -1}
上越市西部中山間地域の水田節足動物群集-集落と農法のちがいが生息密度と種多様度におよぼす影響-
https://nodai.repo.nii.ac.jp/records/391
https://nodai.repo.nii.ac.jp/records/391f6feac14-3db3-40d3-b57b-51207225c3c6
名前 / ファイル | ライセンス | アクション |
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KJ00006055383.pdf (597.0 kB)
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Item type | [ELS]紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2010-03-15 | |||||
タイトル | ||||||
タイトル | 上越市西部中山間地域の水田節足動物群集-集落と農法のちがいが生息密度と種多様度におよぼす影響- | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Arthropod Communities of Paddy Rice Fields in the Western Hilly and Mountainous Area of Zyoetu City : Effects of settlement environment and farming method on population density and species diversity | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 害虫 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 天敵 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 有機農法 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | SHANNON-WIENERの多様度指数 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 指標生物 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | pest | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | natural enemy | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | organic farming | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | SHANNON-WIENER's diversity index | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | indicator species | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00164184 | |||||
論文名よみ | ||||||
タイトル | ジョウエツシセイブチュウサンカンチイキ ノ スイデンセッソクドウブツグンシュウ シュウラクト ノ ウホウ ノ チガイ ガ セイソクミツド ト シュタヨウド ニ オヨボス エイキョウ | |||||
著者 |
足達, 太郎
× 足達, 太郎× 石川 忠× 岡島 秀治× Adati, Taro× Ishikawa Tadashi× Okajima, Shuji |
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著者所属(日) | ||||||
東京農業大学国際食料情報学部国際農業開発学科 | ||||||
著者所属(日) | ||||||
東京農業大学農学部農学科 | ||||||
著者所属(日) | ||||||
東京農業大学農学部農学科 | ||||||
著者所属(英) | ||||||
en | ||||||
Department of International Agricultural Development, Faculty of International Agriculture and Food Studies, Tokyo University of Agriculture | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Agriculture, Faculty of Agriculture, Tokyo University of Agriculture | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Agriculture, Faculty of Agriculture, Tokyo University of Agriculture | ||||||
記事種別(日) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 論文 | |||||
記事種別(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Article | |||||
抄録(日) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 上越市の西部中山間地域の二つの集落において,慣行農法および有機農法を実施している水田から,はらいおとし法によって節足動物を捕獲し,害虫・天敵・その他に区分したうえで,種(種群)ごとの生息密度と種多様度を調査した。捕獲した全サンプルのうち,害虫は個体数比率で70%を占めたのに対し,天敵とその他の節足動物はそれぞれ16%および14%にとどまった。類別にみると,害虫のなかではウンカ・ヨコバイ類が大多数をしめ,そのほかにガ類やコウチュウ類が捕獲された。天敵のなかではクモ類が大多数をしめた。その他の節足動物ではトビムシ類が大半をしめ,ほかにユスリカ類が捕獲された。集落別・農法別にみた害虫および天敵の生息密度は,年次や季節によって変化がみられた。このような発生消長はウンカ・ヨコバイ類,フタオビコヤガ,クモ類でも顕著だった。二元分散分析の結果,集落のちがいが生息密度に有意な影響をおよぼすのは,セジロウンカなどをふくむ5種および8種群の節足動物であることがわかった。いっぽう,農法のちがいが生息密度に有意な影響をおよぼすのは,クモ類などをふくむ2種および6種群であり,そのうち1種群以外はすべて生息密度が慣行区よりも有機区で高かった。各調査区について種の多様度指数(H′)をもとめたところ,吉浦よりも大渕で害虫の種多様度が高く,また慣行区よりも有機区のほうが高かった。天敵では集落間・農法間とも種多様度に顕著な差はみられなかった。本研究の結果,有機区での生息密度が高く,年次ごとに比較的安定した密度推移を示すことがわかったクモ類については,今後,さまざまな種類の農法が水田生態系におよぼすインパクトを評価するための指標生物として活用できる可能性がある。 | |||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | In two settlements, Obuti and Yosiura, in the western hilly and mountainous area of Zyoetu City, Niigata, Japan, arthropod communities of paddy rice fields, which were grown by conventional and organic farming methods, were investigated. Among the total sample, 70% of the population was identified as rice pests, while natural enemies and other arthropods occupied 16% and 14%, respectively. Among the pests, plant- and leaf-hoppers were the most dominant and proportions of moths and beetles followed. Among the natural enemies, spiders were the most dominant. Other arthropods included springtails as majority and some chironomids. Annual and seasonal changes of arthropod densities were observed in the respective settlements and farming methods. Such changes were significant also in plant- and leaf-hoppers, the green rice caterpillar (Naranga aenescens) and spiders. Two-way analysis of variance indicated that densities of five species and eight species groups, including the whitebacked rice planthopper, Sogatella furcifera, differed with the settlement. On the other hand, densities of two species and six species groups, including spiders, differed with the farming method. Their densities, except for one species group, were higher in organic farming than conventional farming. Diversity index (H') of pests was higher at Obuti than Yosiura, and in organic farming than conventional farming. No difference in diversity index of natural enemies was observed between the settlements or farming methods. Spiders seem to be used as indicator species for evaluating impact of farming methods on paddy field ecosystem because their density was higher in organic farming plots and seasonal change of their population dynamics was constant. | |||||
書誌情報 | 巻 54, 号 4, p. 267-276 | |||||
レポート・講演番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | E | |||||
表示順 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 5 | |||||
アクセション番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | KJ00006055383 |