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Reproductive pattern of Leptonycteris curasoae Miller (Chiroptera : Phyllostomidae) in northern Venezuala
Dans le but de connaitre s'il existe une influence latitudinale dans le patron social et reproducteur de Leptonycteris curasoae, nous avons mene des etudes sur une colonie de cette espece dans la
Cytogenetics and karyosystematics of Oryzomys albigularis (Rodentia, Cricetidae) from Venezuela.
Several authors have proposed that Oryzomys albigularis constitutes a supraspecific complex and that chromosomal pericentromeric inversions have played a fundamental role in the diversifying process.
Finding the "Conservation" in Conservation Genetics--Progress in Latin America.
From the Centro de Ecologia, Instituto Venezolano de Investigaciones Cientificas (IVIC), Apartado 20632, Caracas 1020-A, Venezuela (Rodriguez-Clark); Provita, Av. Romulo Gallegos, Edf. Pascal, Ofc
Island—Island and Island—Mainland Movements of the Curaçaoan Long-Nosed Bat, Leptonycteris curasoae
Of the 3 species comprising the genus Leptonycteris Miller, L. curasoae has been the least studied with respect to its long-distance flights and potential for seasonal migrations. We studied
Conserving the Genetic Diversity of Plants in Austral and Neotropical America (ANA): A Metanalysis of Published Studies Using Samples of the Region
Of the 656 publications in conservation genetics, 46 % were about plants, of which 83 % studied Magnoliophyta, and the focus of the publications was focused on population genetics and 32.6 % on diagnosing threats to the gene pool.
Feeding habits of Leptonycteris curasoae in northern Venezuela
Differences in pollen frequency observed in the diet during the year seem related to flowering pattern of the plant families present in the study area and breeding females apparently ingest more fruits to supply their particular nutritional and energetic requirements.
Allozyme variation and divergence in the phyllotine rodent Calomys hummelincki (Husson, 1960)
The results seem to support Reig's hypothesis about south to north colonization of genus Calomys in South America.
Allozyme Variation and taxonomic Status of Calomys hummelincki (Rodentia, Sigmodontinae)
The level of genetic polymorphism was analyzed in a population sample of Calomys hummelincki from Venezuela and values are higher than those reported for most species of rodents in the northern hemisphere, but are comparable to those observed in other Sigmodontinae species from Argentina.
Chromosome Characterization of an Endemic South American Rodent, Calomys hummelincki (Husson, 1960) (Sigmodontinae, Phyllotini)
The results indicate that C. hummelincki is not directly derived from C. laucha, and all six populations studied displayed the same diploid number (2n=60) and fundamental number (FN=64).
Trophic relationships among four cricetid rodents in rice fields
Las dieta de todas las especies se relacionan con el estado de' desarrollo del cUltivo, lacomposici6n of the vegetacion y las caracteristicas del area that rodea al cultivo en el momento del muestreo.