Data/hora: 05/06/2024 11:40:12

Provedor de dados: | 103
País: | Brazil
Título: | Birds from open environments in the caatinga from state of Alagoas, northeastern Brazil
Autores: | Araujo,Helder Farias Pereira de; Rodrigues,Roberta Costa.
Data: | 2011-10-01
Ano: | 2011
Palavras-chave: | Avifauna; Conservation; Habitat preference; Species richness.
Resumo: | Even though the caatinga has been identified as an important area of endemism for South American birds, few studies have been conducted on the distribution, evolution and ecology of birds in this biome. Understanding how habitats contribute to maintain the regional bird diversity is extremely important. In this study, carried out in the backwoods of the state of Alagoas, we present a rapid survey of a caatinga area and discuss the composition of the avifauna in different habitats. From the record of 105 species, we estimated a local richness of 120 (± 5) species. Among the areas surveyed, the dense caatinga shrub areas contributed with more than 42% of the species, holding most of the forest-dependent birds. The open field areas and the vegetation patches contributed 26 and 24% of the observed richness, respectively. The bird community at the vegetation patches is more similar to that registered in the open caatinga shrub areas, than to the fauna of the open fields where these patches are located. Our results support the need to conserve environments which harbor typical caatinga vegetation, and also vegetation patches with those characteristics in greatly altered environments.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Português
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000500011
Editor: | Sociedade Brasileira de Zoologia
Relação: | 10.1590/S1984-46702011000500011
Formato: | text/html
Fonte: | Zoologia (Curitiba)  v.28 n.5 2011
Fonte: | info:eu-repo/semantics/openAccess