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Herbivores, saprovores and natural enemies respond differently to within-field plant characteristics of wheat fields

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hdl:2117/90156

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Caballero López, Berta
Blanco Moreno, José M.
Pujade Villar, Juli
Ventura, Daniel
Sánchez Espigares, Josep AntonMés informacióMés informacióMés informació
Sans Serra, Francesc Xavier
Document typeArticle
Defense date2016-05-26
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
Understanding ecosystem functioning in a farmland context by considering the variety of ecological strategies employed by arthropods is a core challenge in ecology and conservation science. We adopted a functional approach in an assessment of the relationship between three functional plant groups (grasses, broad-leaves and legumes) and the arthropod community in winter wheat fields in a Mediterranean dryland context. We sampled the arthropod community as thoroughly as possible with a combination of suction catching and flight-interception trapping. All specimens were identified to the appropriate taxonomic level (family, genus or species) and classified according to their form of feeding: chewing-herbivores, sucking-herbivores, flower-consumers, omnivores, saprovores, parasitoids or predators. We found, a richer plant community favoured a greater diversity of herbivores and, in turn, a richness of herbivores and saprovores enhanced the communities of their natural enemies, which supports the classical trophic structure hypothesis. Grass cover had a positive effect on sucking-herbivores, saprovores and their natural enemies and is probably due to grasses’ ability to provide, either directly or indirectly, alternative resources or simply by offering better environmental conditions. By including legumes in agroecosystems we can improve the conservation of beneficial arthropods like predators or parasitoids, and enhance the provision of ecosystem services such as natural pest control
CitationCaballero-López, B., Blanco-Moreno, J., Pujade-Villar, J., Ventura, D., Sanchez-Espigares, J., Sans, F.X. Herbivores, saprovores and natural enemies respond differently to within-field plant characteristics of wheat fields. "Journal of insect conservation", 26 Maig 2016, vol. 20, núm. 3, p. 467-476. 
URIhttp://hdl.handle.net/2117/90156
DOI10.1007/s10841-016-9879-5
ISSN1366-638X
Publisher versionhttp://link.springer.com/article/10.1007/s10841-016-9879-5
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  • ADBD - Anàlisi de Dades Complexes per a les Decisions Empresarials - Articles de revista [92]
  • Departament d'Estadística i Investigació Operativa - Articles de revista [604]
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