Research on agroforestry systems and biodiversity conservation: what can we conclude so far and what should we improve?

Boinot Sébastien, Barkaoui Karim, Meziere Delphine, Lauri Pierre-Eric, Sarthou Jean-Pierre, Alignier Audrey. 2022. Research on agroforestry systems and biodiversity conservation: what can we conclude so far and what should we improve?. BMC Ecology and Evolution, 22:24, 6 p.

https://doi.org/10.1186/s12862-022-01977-z

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Résumé : Through a meta-analysis, Mupepele et al. (BMC Ecol Evol 21:1–193, 2021) assessed the effects of European agroforestry systems on biodiversity, estimated by species richness or species diversity. They showed that the effects of silvoarable and silvopastoral systems depend on the systems they are compared to and the taxa studied. Further, they found that only silvoarable systems increased species richness or diversity, compared to cropland. The authors conclude that agroforestry systems have weak effects on biodiversity and that landscape context or land-use history are probably more important than the practice of agroforestry in itself. However, we draw attention to important shortcomings in this meta-analysis, which downplay the potential of agroforestry for biodiversity conservation in agricultural landscapes. We hope that the meta-analysis by Mupepele et al. (BMC Ecol Evol 21:1–193, 2021), and our comments, will contribute to improving the quality of research on agroforestry systems and biodiversity conservation.

Mots-clés Agrovoc : systèmes agroforestiers, agroforesterie, conservation de la diversité biologique, système sylvopastoral, paysage agricole

Mots-clés géographiques Agrovoc : Europe

Mots-clés libres : Agroforestry, Biodiversity, Meta-analysis, Experimental design, Farming practices, Diversity indices

Classification Agris : P01 - Conservation de la nature et ressources foncières
F08 - Systèmes et modes de culture

Champ stratégique Cirad : CTS 1 (2019-) - Biodiversité

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