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We studied the taxonomy and biogeography of Mazama bricenii, a brocket deer classified as Vulnerable by the IUCN, drawing on qualitative and quantitative morphology and sequences of the mitochondrial cytochrome-b gene. We used Ecological Niche Modeling (ENM) to evaluate the hypothesis that M. bricenii of the Venezuelan Cordillera de Mérida (CM) might have(More)
Correlative ecological niche models (ENMs) estimate species niches using occurrence records and environmental data. These tools are valuable to the field of biogeography, where they are commonly used to infer potential connectivity among populations. However, a recent study showed that when locally relevant environmental data are not available, records from(More)
The development of a Grid Portal Workflow aware and specialized in Computational BioChemistry is presented. The P-GRADE Portal (GridSphere based) has been expanded with specific portlet developments adding both support for Computational BioChemistry applications and for different distributed resources is described. As a first prototype, GROMACS, a versatile(More)
Scheduling in real-world manufacturing systems is difficult due in part to the lack of modeling and optimization tools which can be efficiently adapted to various shop floor environments. We propose a framework for modeling manufacturing systems which uses a flexible modeling engine and a declarative l anguage. The language allows a high level specification(More)
Implementation of scheduling systems often fails due in part to an oversimplification of reality. Additionally, high implementation costs are derived from the lack of separation between the plant model and the scheduling algorithms. The proposed modeling engine addresses this problem by enabling the analyst to define high-level plant elements. Some of the(More)
We undertook a comprehensive, critical review of literature concerning the distribution, conservation status, and taxonomy of species of mammals endemic to the Cerrado and the Caatinga, the two largest biomes of the South American Dry-Diagonal. We present species accounts and lists of species, which we built with criteria that, in our opinion, yielded(More)