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Título: Mesoscale bird distribution pattern in montane phytophysiognomies along an ecotone between two hotspots
Palavras-chave: Biodiversity
Beta diversity
Bird community distribution
Biodiversidade
Diversidade beta
Distribuição da comunidade de aves
Data do documento: 2021
Editor: Universidade Estadual de Maringá
Citação: MOURA, A. S. de et al. Mesoscale bird distribution pattern in montane phytophysiognomies along an ecotone between two hotspots. Acta Scientiarum. Biological Sciences, Maringá, v. 43, e56931, 2021. DOI: 10.4025/actascibiolsci.v43i1.56931.
Resumo: Brazil has a high diversity of birds and presents the largest number of threatened bird species in the neotropical region. Even so, there are gaps in the bird knowledge, especially in ecotonal montane regions. Given this panorama, this study aimed to analyse the bird community distribution (richness, composition, and beta diversity between phytophysiognomies) of an ecotonal montane landscape of southeastern Brazil, with the purpose of detecting substitution patterns of bird species on a meso-scale. Using bird data performed during the years 1998 to 2015 in 46 sampling points, we found high bird richness in montane phytophysiognomies along an ecotone between Cerrado and Atlantic Forest hotspots. The composition present species of both domains, with high turnover component. We highlight the field environments and candeais are considered homogeneous and threathened, which would directly affect birds. The present study contributes to future conservation strategies, as it demonstrates ecotonal regions as transition zones and reinforces the need to consider as particular ecological units. These ecotonal regions are key locations for understanding ecological patterns in response to environmental changes or phytophysiognomies. Knowing how partitioning of the composition occurs within an environmental mosaic is essential to understand the limits and distributions of the species and conserve them.
URI: http://repositorio.ufla.br/jspui/handle/1/50616
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