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  1. INDEX:組織別
  2. 農研機構 農村工学研究部門
  3. 研究報告
  4. 農工研報
  5. 51号

圃場整備水田における止水域性トンボの保全とミティゲーション対策に関する基礎的研究

https://doi.org/10.24514/00002228
https://doi.org/10.24514/00002228
d3136c18-faf5-408f-840c-59b00613d2ba
名前 / ファイル ライセンス アクション
nkk_report_No51p1-36p.pdf nkk_report_No51p1-36p.pdf (11.8 MB)
Item type 紀要論文01 / Departmental Bulletin Original Article(1)
公開日 2019-03-22
タイトル
タイトル 圃場整備水田における止水域性トンボの保全とミティゲーション対策に関する基礎的研究
タイトル
タイトル Fundamental Research on the Conservation and Mitigation Measures for Stagnant Water Dragonflies in Consolidated Paddy Fields
言語 en
言語
言語 jpn
キーワード
主題Scheme Other
主題 トンボ
キーワード
主題Scheme Other
主題 ミティゲーション
キーワード
主題Scheme Other
主題 圃場整備事業
キーワード
主題Scheme Other
主題 生物間ネットワーク
キーワード
主題Scheme Other
主題 乾田化
キーワード
言語 en
主題Scheme Other
主題 dragonflies
キーワード
言語 en
主題Scheme Other
主題 mitigation
キーワード
言語 en
主題Scheme Other
主題 consolidated paddy fields
キーワード
言語 en
主題Scheme Other
主題 habitat networks
キーワード
言語 en
主題Scheme Other
主題 paddy field aridification
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
ID登録
ID登録 10.24514/00002228
ID登録タイプ JaLC
著者 若杉, 晃介

× 若杉, 晃介

若杉, 晃介

ja-Kana ワカスギ, コウスケ

en WAKASUGI, Kosuke

Search repository
抄録
内容記述タイプ Abstract
内容記述 Paddy field land consolidation projects, which started in 1963 in Japan, have made significant contributions, such as promoting rural areas, solving postwar food shortages, and improving agricultural productivity. In the last several decades, however, there has been a decline in wildlife species adapted to the secondary natural areas inherent in rural landscapes. This decline has resulted from changes in farming methods and the use of large quantities of agricultural chemicals, mechanization of farm work using tractors and combine harvesters, and paddy field land consolidation projects undertaken to improve agricultural output and productivity. In response to this decline, a 2001 amendment of the Land Improvement Act provided that the impact on the environment should be taken into consideration when undertaking these projects. From the viewpoint of maintaining biodiversity, however, the measures undertaken so far have been inadequate. In this thesis, I describe achievements made in mitigation systems in some public work projects in Japan and abroad and examine their applicability to paddy field land consolidation projects. Mitigation, which was first emphasized in American environmental assessments conducted in 1969, refers to acts that counteract the negative impact on ecosystems caused by development projects, including (1) avoidance, (2) minimization, and (3) compensation, listed in the order of priority. The aim of this basic research is to investigate how various mitigation measures during paddy field land consolidation would affect dragonflies, which serve as representatives of wildlife in rural areas. For example, acts falling under “avoidance” would involve conserving particularly important habitats (hot spots) when consolidating land. “Minimization” would involve carrying out consolidation in stages and maintaining habitat networks while taking into account metapopulations. As for “compensation” acts, I propose using fallow fields and other sites to establish biotopes, build thriving habitat networks, and implement ecological farming practices. In order to balance the conservation of dragonflies that inhabit stagnant water with farming, I propose an improved version of inundating paddy fields in winter based on chemical-free, zero-tillage cultivation, which combines existing farming techniques with knowledge of the life cycle of dragonflies, the drought resistance of larvae, and other important species traits. In this research, I studied the impact of paddy field land consolidation projects on the habitat quality of dragonflies and proposed countermeasures based on field measurements of drought resistance of larvae and the potential traveling range of adult dragonflies. These basic data can be used to devise sound mitigation practices and improve the quality of conservation measures for dragonflies.
書誌情報 農村工学研究所報告
en : Bulletin of the NARO, Rural Engineering

巻 51, p. 1-36, 発行日 2012-04-26
出版者
出版者 独立行政法人 農業・食品産業技術総合研究機構 農村工学研究所
ISSN
収録物識別子タイプ ISSN
収録物識別子 1882-3262
DOI
関連タイプ isIdenticalTo
識別子タイプ DOI
関連識別子 10.24514/00002228
著者版フラグ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
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