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<p>In recent years, neotropical forest cover has been experiencing significant losses and alterations due to agricultural expansion, threatening many natural areas of the Brazilian Cerrado and Caatinga. Our study aimed to investigate how land use affects the structure, taxonomic diversity, and spatial structure of diversity and individuals in tree and shrub communities with different regeneration times in the Cerrado-Caatinga ecotone. We sampled vegetation 10 and 25&#xa0;years after the onset of agricultural land use, as well as unmanaged vegetation. The greatest variation in vegetation structure (abundance, basal area, and regrowth) occurred in regenerating communities. In contrast, unmanaged communities exhibited greater differentiation in the spatial structure of individuals. Taxonomic and spatial diversity was higher in regenerating communities (10&#xa0;years after the onset of agricultural use) and in unmanaged ones, with the latter presenting greater diversity. Thus, we demonstrate that land use in Cerrado-Caatinga ecotone areas affects the recovery of structure, as well as taxonomic and spatial diversity, evidencing that these communities do not follow the same regeneration pattern. Some communities and sites showed slower recovery trajectories, which may have been influenced by the intensity of prior land use and intraspecific competition.</p>

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Divergent recovery of woody plant community in Cerrado-Caatinga ecotone after agricultural abandonment

  • 期刊论文

  • 发表日期：

    2026年5月5日

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  • Ronaldo de Araújo Ibiapina,
  • Vitor de Andrade Kamimura,
  • Pedro Manuel Villa,
  • Abel Augusto Conceição,
  • Rodrigo Ferreira de Morais

摘要

In recent years, neotropical forest cover has been experiencing significant losses and alterations due to agricultural expansion, threatening many natural areas of the Brazilian Cerrado and Caatinga. Our study aimed to investigate how land use affects the structure, taxonomic diversity, and spatial structure of diversity and individuals in tree and shrub communities with different regeneration times in the Cerrado-Caatinga ecotone. We sampled vegetation 10 and 25 years after the onset of agricultural land use, as well as unmanaged vegetation. The greatest variation in vegetation structure (abundance, basal area, and regrowth) occurred in regenerating communities. In contrast, unmanaged communities exhibited greater differentiation in the spatial structure of individuals. Taxonomic and spatial diversity was higher in regenerating communities (10 years after the onset of agricultural use) and in unmanaged ones, with the latter presenting greater diversity. Thus, we demonstrate that land use in Cerrado-Caatinga ecotone areas affects the recovery of structure, as well as taxonomic and spatial diversity, evidencing that these communities do not follow the same regeneration pattern. Some communities and sites showed slower recovery trajectories, which may have been influenced by the intensity of prior land use and intraspecific competition.