Impacts of tillage practices on hoppers and predatory wolf spiders (Araneae : Lycosidae) in rice paddies
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概要
- 論文の詳細を見る
We investigated the effects of tillage practices on the densities of wolf spiders and planthoppers and leafhoppers in rice paddy fields. Paddies were subjected to one of two different treatments (no tillage and conventional tillage), and seasonal changes in the densities of wolf spiders and hoppers were investigated over two growing seasons (1999 and 2000). In both years, the density of wolf spiders was significantly higher and the density of hoppers tended to be lower in no-tilled paddies than in conventionally tilled paddies, although the latter difference was not statistically significant. The Iwao's omega values, which represent the degree of correlation between the spatial distributions of wolf spiders and hoppers, were higher in no-tilled than in tilled paddies during August when the hopper density decreased in no-tilled paddies.
- 日本応用動物昆虫学会の論文
- 2004-02-25
著者
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Motobayashi T
Tokyo Univ. Agriculture And Technol. Tokyo Jpn
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Kunimi Yasuhisa
Department of Applied Biological Science, Faculty of Agriculture, Tokyo University of Agriculture an
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Motobayashi Takashi
Field Science Center Faculty Of Agriculture Tokyo University Of Agriculture And Technology
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Kunimi Yasuhisa
Dep. Of Bioregulation And Biointeraction Graduate School Of Agriculture Tokyo Univ. Of Agriculture A
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Ishijima Chikara
Department Of Bioregulation And Biointeraction Graduate School Of Agriculture Tokyo University Of Ag
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NAKAI Madoka
Department of Bioregulation and Biointeraction, Graduate School of Agriculture, Tokyo University of
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Nakai Madoka
Department Of Bioregulation And Biointeraction Graduate School Of Agriculture Tokyo University Of Ag
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Nakai Madoka
Department Of Applied Biological Science Faculty Of Agriculture Tokyo University Of Agriculture And
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Kunimi Yasuhisa
Department Of App Lied Biological Science Faculty Of Agriculture Tokyo University Of Agriculture And
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