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Porträtt av Henrik Smith. Foto.

Henrik Smith

Professor

Porträtt av Henrik Smith. Foto.

Landscape heterogeneity and farming practice alter the species composition and taxonomic breadth of pollinator communities

Författare

  • Georg Andersson
  • Klaus Birkhofer
  • Maj Rundlöf
  • Henrik Smith

Summary, in English

Effects of landscape heterogeneity and farming practice on species composition are less well known than those on species richness, in spite of the fact that community composition can be at least as important for ecosystem services, such as pollination. Here, we assessed the effect of organic farming and landscape heterogeneity on pollinator communities, focusing on multivariate patterns in species composition and the taxonomic breadth of communities. By relating our results to patterns observed for species richness we show that: (1) species richness generally declines with decreasing landscape heterogeneity, but taxonomic breadth only declines with landscape heterogeneity on conventionally managed farms. We further highlight the importance to provide results of species composition analyses as (2) primarily hoverfly species benefited from organic farming, but three bee species from different families were favoured by conventionally managed farms and (3) two hoverfly species with aphidophagous larvae showed contrasting responses to landscape heterogeneity. These results advance the understanding of how landscape heterogeneity and farming practices alter insect communities and further suggest that diversity patterns need to be analysed beyond species richness to fully uncover consequences of agricultural intensification.

Avdelning/ar

  • Biodiversity
  • Centrum för miljö- och klimatvetenskap (CEC)
  • BECC: Biodiversity and Ecosystem services in a Changing Climate
  • Biodiversitet och bevarandevetenskap

Publiceringsår

2013

Språk

Engelska

Sidor

540-546

Publikation/Tidskrift/Serie

Basic and Applied Ecology

Volym

14

Issue

7

Dokumenttyp

Artikel i tidskrift

Förlag

Elsevier

Ämne

  • Earth and Related Environmental Sciences
  • Ecology

Nyckelord

  • Pollinators
  • Landscape context
  • Landscape ecology
  • Agricultural
  • intensification
  • Agri-environment schemes

Status

Published

Projekt

  • Effects of Farming Practice on Pollinators and Pollination across Space and Time

Forskningsgrupp

  • Biodiversity and Conservation Science

ISBN/ISSN/Övrigt

  • ISSN: 1618-0089