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Linking farming systems to farmland bird diversity: an interdisciplinary approach

Bonthoux, Sébastien and Choisis, Jean-Philippe and Gibon, Annick and Balent, Gérard Linking farming systems to farmland bird diversity: an interdisciplinary approach. (2010) In: Is What Humans Do Natural? 2010 US-IALE Twenty-fifth Anniversary Symposium, 5 April 2010 - 9 April 2010 (Athens, United States). (Unpublished)

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Abstract

In agricultural landscapes, the ecological processes are generally constrained by the structure of the mosaic of habitats which results of the relationships between the farmers and their territory. Currently, ecological processes are studied at the patch or the landscape scale without explicitly considering the functional units of agricultural activities which are the farm’s territories. In this study we examine the relationships which can be established between different farming systems, their spatial organization and farmland bird communities. From 34 farm surveys carried out in the LTER site “Vallées et Coteaux de Gascogne” in the South-western part of France, we characterized the local farming systems and their spatial organization. A typology was carried out by crossing the farming systems characteristics and their spatial structure. On the 34 farm territories, we carried out 363 bird point counts, sampled in a systematic way on a grid of 250m of side to compare farming systems territories with farmland bird communities. Five farming systems were defined, the most representative being the mixing crop-livestock system. Species richness and total abundance of birds were higher on livestock systems compare to cropping systems. Farmland specialist birds and forest birds showed preference for livestock systems, hedge species were equally distributed between livestock and cropping system territories. This study brings useful information for the management of the avifauna in agricultural landscape demonstrating that the avifauna is different according to farming systems which supposes that landscapes are different between farming systems.

Item Type:Conference or Workshop Item (Paper)
Additional Information:No full-text document attached to this repository
ProdINRA Id:35030
Audience (conference):International conference without published proceedings
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Institution:French research institutions > Institut National de la Recherche Agronomique - INRA (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
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Deposited On:19 Jan 2017 10:53

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