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Disentangling direct and indirect effects of experimental grassland management and plant functional-group manipulation on plant and leafhopper diversity.

AutorInnen: 
Everwand G, Rösch V, Tscharntke T & Scherber C
Erscheinungsjahr: 
2014
Vollständiger Titel: 
Disentangling direct and indirect effects of experimental grassland management and plant functional-group manipulation on plant and leafhopper diversity.
ZFMK-Autorinnen / ZFMK-Autoren: 
Publiziert in: 
BMC Ecology
Publikationstyp: 
Zeitschriftenaufsatz
Bibliographische Angaben: 
Everwand G, Rösch V, Tscharntke T & Scherber C (2014) Disentangling direct and indirect effects of experimental grassland management and plant functional-group manipulation on plant and leafhopper diversity. BMC Ecology 14:1
Abstract: 

Plant biodiversity can affect trophic interactions in many ways, including direct bottom-up effects on insects, but is negatively affected by agricultural intensification. Grassland intensification promotes plant productivity, resulting in changes in plant community composition, and impacts on higher trophic levels. Here, we use a novel grassland management experiment combining manipulations of cutting and fertilization with experimental changes in plant functional group composition (independent of management effects) to disentangle the direct and indirect effects of agricultural management on insect herbivore diversity and abundance. We used leafhoppers as model organisms as they are a key insect taxon in grasslands and react rapidly to management changes. Leafhoppers were sampled between May and September 2010 using standardized sweep netting and pan traps.

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c.scherber [at] leibniz-lib.de