Positive effects of wheat variety mixtures on aboveground arthropods are weak and variable

Florence Dubs,Alan Vergnes, Emilie Mirlicourtois,Isabelle Le Viol,Christian Kerbiriou,Jérémie Goulnik,Soumaya Belghali, Laure Bentze,Sébastien Barot,Emmanuelle Porcher

Basic and Applied Ecology（2018）

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摘要

•Wheat variety mixtures have contrasting effects on aboveground arthropod communities.•Wheat intraspecific diversity has a weak positive effect on predator abundances.•Wheat intraspecific and functional diversity have a weak negative effect on spider evenness.•Few wheat stand characteristics have effects on ground or rove beetles.

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关键词

Cultivar mixtures,Farmland biodiversity,Ground beetles,Plant–insect interactions,Rove beetles,Spiders,Winter wheat

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