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Species richness declines and biotic homogenization have slowed down for NW-European pollinators and plants

Carvalheiro, L.G., Kunin, W.E., Keil, P., Aguirre-Gutiérrez, J., Ellis, W.N., Fox, R., Groom, Q., Hennekens, S., Landuy, W.V., Maes, D., Van de Meutter, F., Michez, D., Rasmont, P., Ode, B., Potts, S., Reemer, M., Roberts, S.P.M., Schaminée, J., WallisDeVries, M.F. and Biesmeijer, J.C. (2013) Species richness declines and biotic homogenization have slowed down for NW-European pollinators and plants. Ecology Letters, 16 (7). pp. 870-878. ISSN 1461-0248

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To link to this item DOI: 10.1111/ele.12121

Abstract/Summary

Concern about biodiversity loss has led to increased public investment in conservation. Whereas there is a widespread perception that such initiatives have been unsuccessful, there are few quantitative tests of this perception. Here, we evaluate whether rates of biodiversity change have altered in recent decades in three European countries (Great Britain, Netherlands and Belgium) for plants and flower visiting insects. We compared four 20-year periods, comparing periods of rapid land-use intensification and natural habitat loss (1930–1990) with a period of increased conservation investment (post-1990). We found that extensive species richness loss and biotic homogenisation occurred before 1990, whereas these negative trends became substantially less accentuated during recent decades, being partially reversed for certain taxa (e.g. bees in Great Britain and Netherlands). These results highlight the potential to maintain or even restore current species assemblages (which despite past extinctions are still of great conservation value), at least in regions where large-scale land-use intensification and natural habitat loss has ceased.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Agriculture, Policy and Development > Biodiversity, Crops and Agroecosystems Division > Centre for Agri-environmental Research (CAER)
ID Code:33236
Uncontrolled Keywords:Accumulation curves, biodiversity loss, community ecology, plant–flower visitor communities, pollination, similarity, spatial homogenisation, species richness estimations, temporal and spatial patterns.
Additional Information:Additional Supporting Information may be downloaded via the online version of this article at Wiley Online Library (www.ecologyletters.com).
Publisher:Wiley

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