Vineyard Edges Increase Bird Richness and Abundance and Conservation Opportunities in Central Chile

Andrés Muñoz-Sáez ()
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Andrés Muñoz-Sáez: Laboratorio de Agroecología, Biodiversidad, & Sostenibilidad, Departamento de Producción Agrícola, Facultad de Ciencias Agronómicas, Universidad de Chile, Santiago 8820808, Chile

Agriculture, 2024, vol. 14, issue 12, 1-14

Abstract: Agricultural landscapes significantly impact biodiversity, particularly within vineyard ecosystems where the configuration of native vegetation and vineyard edges plays a pivotal role. This study investigated the structure of bird communities across vineyards, their edges, and adjacent native vegetation, utilizing generalized linear mixed models to analyze the influence of surrounding land covers at varying scales of 100 m and 1000 m radii across these three landscape types on bird richness and abundance and functional groups. The results highlight that native vegetation is crucial for supporting endemic bird species, with 41% of all observed species found across all three habitat types and a significant 66.7% shared between native vegetation and edge habitats. In particular, insectivores and carnivores, key to biodiversity conservation and ecosystem service provision, showed higher abundances in areas with extensive native vegetation, underscoring its vital role in maintaining ecological functions. Edges not only enhanced the general bird richness and abundance but also served as crucial habitats for granivores and omnivores, influencing ecosystem dynamics through changes in the trophic guild community structure. These findings underscore the importance of conserving native vegetation within vineyard landscapes to foster a diverse avian community that contributes to enhancing ecosystem services. These results provide an opportunity to intensify restoration initiatives on vineyard edges and enhance our understanding of how certain species adapt to agriculture. This can be considered a vital nature-based solution for sustainable agriculture, promoting biodiversity conservation alongside productive agroecological practices in vineyard ecosystems.

Keywords: agroecosystems; Aves; mediterranean-type ecosystems; trophic guilds; wildlife-friendly farming (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2024
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