Win-win opportunities combining high yields with high multi-taxa biodiversity in tropical agroforestry

2022 | journal article. A publication with affiliation to the University of Göttingen.

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​Win-win opportunities combining high yields with high multi-taxa biodiversity in tropical agroforestry​
Wurz, A.; Tscharntke, T.; Martin, D. A.; Osen, K.; Rakotomalala, A. A. N. A.; Raveloaritiana, E. & Andrianisaina, F. et al.​ (2022) 
Nature Communications13(1).​ DOI: 

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Wurz, Annemarie; Tscharntke, Teja; Martin, Dominic Andreas; Osen, Kristina; Rakotomalala, Anjaharinony A. N. A.; Raveloaritiana, Estelle; Andrianisaina, Fanilo; Dröge, Saskia; Fulgence, Thio Rosin; Soazafy, Marie Rolande; Grass, Ingo
Abstract Resolving ecological-economic trade-offs between biodiversity and yields is a key challenge when addressing the biodiversity crisis in tropical agricultural landscapes. Here, we focused on the relation between seven different taxa (trees, herbaceous plants, birds, amphibians, reptiles, butterflies, and ants) and yields in vanilla agroforests in Madagascar. Agroforests established in forests supported overall 23% fewer species and 47% fewer endemic species than old-growth forests, and 14% fewer endemic species than forest fragments. In contrast, agroforests established on fallows had overall 12% more species and 38% more endemic species than fallows. While yields increased with vanilla vine density and length, non-yield related variables largely determined biodiversity. Nonetheless, trade-offs existed between yields and butterflies as well as  reptiles. Vanilla yields were generally unrelated to richness of trees, herbaceous plants, birds, amphibians, reptiles, and ants, opening up possibilities for conservation outside of protected areas and restoring degraded land to benefit farmers and biodiversity alike.
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Nature Communications 
Zentrum für Biodiversität und Nachhaltige Landnutzung ; Fakultät für Forstwissenschaften und Waldökologie ; Burckhardt-Institut ; Abteilung Biodiversität, Makroökologie und Biogeographie ; Abteilung Waldbau und Waldökologie der Tropen ; Abteilung Agrarökologie 
Volkswagen Foundation
Deutscher Akademischer Austauschdienst
Open-Access-Publikationsfonds 2022



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