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Heterogeneity of bird communities in a mosaic of habitats on a restinga ecosystem in southeast Brazil Rev. Bras. Zool.
Gomes,Verônica S. da M.; Vecchi,Maurício B.; Loiselle,Bette A.; Missagia,Caio C.C.; Alves,Maria Alice S..
ABSTRACT Restinga occurs as a narrow band of coastal habitats throughout the Atlantic Forest, although it presents considerable variation in vegetation structure, which likely contributes to heterogeneity in species inhabiting this endangered ecosystem. The goal of this study is to examine how variation in vegetation and abiotic conditions in the restinga ecosystem may contribute to heterogeneity of bird communities in Restinga de Jurubatiba, Brazil. Temperature, relative humidity, and vegetation structure were sampled to characterize four sites (dry forest, flooded forest, open scrub and closed scrub). Birds were sampled using observations, mist-netting and voice recordings. Results indicate that major differences of all variables occur between forest and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Avian community; NDVI; Restinga forest; Scrub; Vegetation structure.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000500600
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Molecular sexing and intersexual differences in the morphometry of the Hangnest Tody-Tyrant Hemitriccus nidipendulus (Passeriformes: Rhynchocyclidae) Rev. Bras. Zool.
Medeiros,Reinaldo T.; Chaves,Flávia G.; Vecchi,Maurício B.; Nogueira,Denise M.; Alves,Maria Alice S..
ABSTRACT Variation in the morphometry of individuals in a population may result from natural or sexual selection. In the present study we investigated morphometric differences between males and females of a bird species endemic to the Brazilian Atlantic Forest, the Hangnest Tody-Tyrant, Hemitriccus nidipendulus (Wied, 1831), with no apparent sexual dimorphism. All individuals (n = 56) were sexed by PCR amplification of the intronic fragments of the CHDZ/CHDW alleles obtained from blood samples, and 12 morphometric measurements were recorded. The molecular configuration was similar to that described for other species of Passeriformes, with males presenting a single band of approximately 360 base pairs (bp), and females with two bands of 360 and 400 bp....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Atlantic Forest; Gender differences; Molecular sexing; Restinga; Sexual monomorphism.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100329
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