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Cytogenetic variation of repetitive DNA elements in Hoplias malabaricus (Characiformes - Erythrinidae) from white, black and clear water rivers of the Amazon basin Genet. Mol. Biol.
Santos,Fabíola Araújo dos; Marques,Diego Ferreira; Terencio,Maria Leandra; Feldberg,Eliana; Rodrigues,Luís Reginaldo R..
Abstract Hoplias malabaricus is a common fish species occurring in white, black and clear water rivers of the Amazon basin. Its large distribution across distinct aquatic environments can pose stressful conditions for dispersal and creates possibilities for the emergence of local adaptive profiles. We investigated the chromosomal localization of repetitive DNA markers (constitutive heterochromatin, rDNA and the transposable element REX-3) in populations from the Amazonas river (white water), the Negro river (black water) and the Tapajós river (clear water), in order to address the variation/association of cytogenomic features and environmental conditions. We found a conserved karyotypic macrostructure with a diploid number of 40 chromosomes (20...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cytogenomics; FISH; RDNA; REX 3; Tapajós river.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572016000100040
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Species list of bats (Mammalia, Chiroptera) of Santarém area, Pará State, Brazil Zoologia
Bernard,Enrico.
Despite its enormous area, diversity of habitat, and bat species, studies in the Brazilian Amazon represent just a small portion of the bat research in the South América. Consequently, the distribution of the major part of the bat species in the Brazilian Amazon remains incompletely documented. Conservation strategies involving bat species in the Brazilian Amazon may be difficult without more information about geographic distribution, status, roost, food preferences, and reproduction of the species. Here is presented an updated list of species of bats of Alter do Chão, and complete this list with data from the nearby Amazon National Park, providing a list of bats in the Santarém area. This list includes at least 55 species of bats, representing 34 genera,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Chiroptera; Species list; Amazon forest; Bats; Biodiversity; Tapajós river; Santarém; Brazil.
Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752001000200016
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