Effects of tillage practices on spider assemblage in rice paddy fields
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概要
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To examine the effects of tillage practices on spider assemblages in rice paddy fields, we investigated the abundance and biomass of spiders in untilled and tilled paddy fields over three cropping seasons (from 1999 to 2001). In total, we collected 6,829 spiders, consisting of 13 species in seven families. The family Lycosidae was the most abundant, followed by Tetragnathidae, Linyphiidae, and Salticidae. Spider abundance and biomass were greater in untilled than in tilled paddies during each cropping season. Although we detected no significant effect of tillage on spider abundance, we did observe a significant effect of tillage on spider biomass in 2000 and 2001. No differences were found in the abundance and biomass of tetragnathid and linyphiid spiders during the cropping season. In contrast, the abundance and biomass of lycosid or salticid spiders tended to be larger in untilled paddies than in tilled paddies, especially later in the cropping season.
- 日本応用動物昆虫学会の論文
- 2006-05-25
著者
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Motobayashi T
Tokyo Univ. Agriculture And Technol. Tokyo Jpn
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Hidaka Kazumasa
University Farm Faculty Of Agriculture Ehime University
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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
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MURAKAMI Mihoko
Field Science Center, Faculty of Agriculture, Tokyo University of Agriculture and Technology
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TAKAGI Motonori
Field Science Center, Faculty of Agriculture, Tokyo University of Agriculture and Technology
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TAGUCHI Ayame
Field Science Center, Faculty of Agriculture, Tokyo University of Agriculture and Technology
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Taguchi Ayame
Field Science Center Faculty Of Agriculture Tokyo University Of Agriculture And Technology
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Takagi Motonori
Field Science Center Faculty Of Agriculture Tokyo University Of Agriculture And Technology
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Ishijima Chikara
Department Of Bioregulation And Biointeraction Graduate School Of Agriculture Tokyo University Of Ag
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Murakami Mihoko
Field Science Center Faculty Of Agriculture Tokyo University Of Agriculture And Technology
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Kunimi Yasuhisa
Department Of App Lied Biological Science Faculty Of Agriculture Tokyo University Of Agriculture And
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