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<p>Land-use changes, driven by the expansion of agriculture and livestock farming, are one of the main drivers of biodiversity loss in the Amazon region. In this context, Succesional Agroforestry Systems - SAFs, emerge as a potential alternative to reconcile agricultural production with biodiversity conservation and restoration. This study assessed the impact of different land-use types on ant diversity and the composition of habitat-use guilds in areas of primary forest, pastures, shifting cultivation, and SAFs at different ages. The results indicate that primary forests consistently exhibited the highest alpha, beta, and gamma diversity. The community composition also shifted along the land-use gradient, with disturbed areas showing a higher relative representation of generalist and open-area species, while forest specialists were proportionally more represented in primary forests. Old SAFs displayed diversity values and guild composition that were intermediate between primary forests and more intensively managed systems whereas young SAFs more closely resembled pastures and shifting cultivation areas. These findings highlight the importance of SAF age in shaping biodiversity recovery trajectories, suggesting that mature agroforestry systems have the potential to promote the recovery of biodiversity in human-modified landscapes. This study underscores the importance of long-term agroforestry management strategies to promote conservation and ecological restoration, especially in regions of high biodiversity value, such as the Amazon.</p>

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Successional agroforestry systems as land use that promote the restoration and conservation of ant assemblages in the Amazon

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年3月10日

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  • Dhâmyla Bruna de Souza Dutra,
  • João Pedro Gomes Chaves,
  • Kauã Magalhães,
  • Gabriel Pedrosa,
  • Luane Karoline Fontenele,
  • Camila Braga da Conceição,
  • Icaro Wilker,
  • Carla Rodrigues Ribas,
  • Rodrigo Machado Feitosa,
  • Vitória Brunetta,
  • Cristaianny Nogueira de Oliveira,
  • Fernando Augusto Schmidt

摘要

Land-use changes, driven by the expansion of agriculture and livestock farming, are one of the main drivers of biodiversity loss in the Amazon region. In this context, Succesional Agroforestry Systems - SAFs, emerge as a potential alternative to reconcile agricultural production with biodiversity conservation and restoration. This study assessed the impact of different land-use types on ant diversity and the composition of habitat-use guilds in areas of primary forest, pastures, shifting cultivation, and SAFs at different ages. The results indicate that primary forests consistently exhibited the highest alpha, beta, and gamma diversity. The community composition also shifted along the land-use gradient, with disturbed areas showing a higher relative representation of generalist and open-area species, while forest specialists were proportionally more represented in primary forests. Old SAFs displayed diversity values and guild composition that were intermediate between primary forests and more intensively managed systems whereas young SAFs more closely resembled pastures and shifting cultivation areas. These findings highlight the importance of SAF age in shaping biodiversity recovery trajectories, suggesting that mature agroforestry systems have the potential to promote the recovery of biodiversity in human-modified landscapes. This study underscores the importance of long-term agroforestry management strategies to promote conservation and ecological restoration, especially in regions of high biodiversity value, such as the Amazon.