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Composition and structure of bird communities in vegetational gradients of Bodoquena Mountains, western Brazil Anais da ABC (AABC)
GODOI,MAURICIO N.; SOUZA,FRANCO L.; LAPS,RUDI R.; RIBEIRO,DANILO B..
ABSTRACT The informations of bird species distribution in different habitats and the structure of their communities are crucial for bird conservation. We tested the differences in composition, richness and abundance of birds in different phytophysiognomies at Bodoquena Mountains, western Brazil, and we demonstrated the variations in richness and abundance of birds between different trophic groups. Sampling was conducted between July 2011 and June 2012 in 200 point counts arranged in the study area. A total of 3350 contacts were obtained belonging to 156 bird species. Woodland savannas, seasonal forests and arboreal savannas had higher bird abundance and richness, while riparian forests, clean pastures and dirty pastures had smaller values of these...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cerrado; Habitat use; Point counts; Private Reserves; Trophic groups.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652016000100211
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Sensitivity of understorey bird species in two different successional stages of the lowland Atlantic Forest, Brazil Anais da ABC (AABC)
Loures-Ribeiro,Alan; Manhães,Marco A.; Dias,Manoel M..
The Atlantic Forest has a high destruction rate and there is little information available on some aspects of the neotropical bird biology. Changes in environment are important factors that affect the resources available to birds. We compared the species sensitivity level of understorey birds in two areas in distinct successional stages (primary and secondary sections). Two 100 ha plots of lowland Atlantic Forest were analysed between August and December 2006. Among 25 bird species recorded, thirteen had lower abundance in secondary forest, two in primary forest, and ten had not clear tendency. According to the criteria used, the percentages for species with low, and medium and high sensitivity to habitat change were 44% and 56%, respectively. The number of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Degradation; Neotropical birds; Point counts; South America; Tropical forest.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652011000300016
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