Search Results - "Oliveira, Viviane M. de"

Multifractal fluctuations in zebrafish (Danio rerio) polarization time series by Romaguera, Antonio R. de C., Vasconcelos, João V. A., Negreiros-Neto, Luis G., Pessoa, Nathan L., Silva, Jadson F. da, Cadena, Pabyton G., Souza, Adauto J. F. de, Oliveira, Viviane M. de, Barbosa, Anderson L. R.

“…In this work, we study the polarization time series obtained from experimental observation of a group of zebrafish ( Danio rerio ) confined in a circular tank…”
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Contributions to the Taxonomy of Arlesminthurus Bretfeld and Calvatomina Yosii (Collembola, Symphypleona, Appendiciphora), with the Description of New Species from Northeastern Brazil by Cipola, Nikolas G., Medeiros, Gleyce Da S., Oliveira, Viviane A. M. De, Barbosa, Luís G. De M., Lycarião, Thainá A., Bellini, Bruno C.

“…Arlesminthurus Bretfeld is a small genus of Neotropical Bourletiellidae, with only four described species so far. Calvatomina Yosii is a widespread taxon of…”
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Speckle statistics as a tool to distinguish collective behaviors of Zebrafish shoals by de Souza, Adauto J. F., Romaguera, Antonio. R. de C., Vasconcelos, João V. A., Negreiros-Neto, Luis G., de Oliveira, Viviane M., Cadena, Pabyton G., Barbosa, Anderson L. R., Lyra, Marcelo L.

“…Zebrafish have become an important model animal for studying the emergence of collective behavior in nature. Here, we show how to properly analyze the…”
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Effect of Landscape Structure on Species Diversity by Campos, Paulo R A, Rosas, Alexandre, de Oliveira, Viviane M, Gomes, Marcelo A F

“…The effects of habitat fragmentation and their implications for biodiversity is a central issue in conservation biology which still lacks an overall…”
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Environmental Heterogeneity Enhances Clonal Interference by Campos, Paulo R. A, Neto, Pedro S. C A, de Oliveira, Viviane M, Gordo, Isabel

“…Clonal interference (CI) is a phenomenon that may be important in several asexual microbes. It occurs when population sizes are large and mutation rates to new…”
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The effect of spatially correlated environments on genetic diversity–area relationships by Neto, Elias D.C., de Oliveira, Viviane M., Rosas, Alexandre, Campos, Paulo R.A.

“…Understanding the spatial patterns of genetic diversity and what causes them is an important outstanding question in ecology. Here we investigate the roles of…”
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Neutral communities in fragmented landscapes by Campos, Paulo R. A., Neto, Elias D. C., Oliveira, Viviane M. de, Gomes, M. A. F.

“…Habitat fragmentation displays a crucial role in conservation biology. Despite this, little is known about the detailed ecological consequences of habitat…”
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Complementarity and diversity in a soluble model ecosystem by de Oliveira, Viviane M, Fontanari, J F

“…Complementarity among species with different traits is one of the basic processes affecting biodiversity, defined as the number of species in the ecosystem. We…”
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Habitat fragmentation effects on biodiversity patterns by Conceição, Katiane S., de Oliveira, Viviane M.

“…We study the effects of habitat fragmentation on biodiversity patterns by means of a simple spatial model which considers selective geographic colonization,…”
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Population turnover and adaptation in heterogeneous environments by Campos, Paulo R.A., de Oliveira, Viviane M.

“…We study adaptive dynamics in a structured population model of asexual individuals which takes into account environmental heterogeneity among the…”
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Adaptation of asexual populations in correlated environments by Chaves Filho, Valdemir L., de Oliveira, Viviane M., Campos, Paulo R.A.

“…We introduce two computational models of subdivided populations of asexual organisms which present variability in selection pressure. In both models one can…”
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MUTATIONAL EFFECTS ON THE CLONAL INTERFERENCE PHENOMENON by Campos, Paulo R. A, de Oliveira, Viviane M

“…We study the process of fixation of beneficial mutations in an asexual population by means of a theoretical model. Particularly, we wish to investigate how the…”
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Epistasis and environmental heterogeneity in the speciation process by Campos, Paulo R.A., de Oliveira, Viviane M., Rosas, Alexandre

“…The study of evolutionary mechanisms driving evolution of natural populations is a central issue in evolutionary biology. In this context the question of…”
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Emergence of prime numbers as the result of evolutionary strategy by CAMPOS, Paulo R. A, DE OLIVEIRA, Viviane M, GIRO, Ronaldo, GALVAO, Douglas S

“…We investigate by means of a simple theoretical model the emergence of prime numbers as life cycles, as those seen for some species of cicadas. The cicadas,…”
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Scale-free networks in evolution by Campos, Paulo R.A, de Oliveira, Viviane M

“…In this paper we address the emergence of scale-free behavior in a simple evolutionary model. We model a growing population that starts from a small number of…”
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Diversity behavior in a community model with spatial heterogeneity by Daza, Sara L.C., Barbosa, Anderson L.R., de Oliveira, Viviane M.

“…•We study how spatial heterogeneity combined with mutation events affect the diversity.•In our model the resource distribution is carried out by using a…”
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Gene phylogenies and protein–protein interactions: possible artifacts resulting from shared protein interaction partners by Campos, Paulo R.A., de Oliveira, Viviane M., Wagner, Günter P., Stadler, Peter F.

“…The study of gene families critically depends on the correct reconstruction of gene genealogies, as for instance in the case of transcription factor genes like…”
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Evolving division of labor in a response threshold model by Fontanari, José F., de Oliveira, Viviane M., Campos, Paulo R.A.

“…The response threshold model explains the emergence of division of labor (i.e., task specialization) in an unstructured population by assuming that the…”
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The interplay of tradeoffs within the framework of a resource-based modelling by de Oliveira, Viviane M., Amado, André, Campos, Paulo R.A.

“…Tradeoffs are supposed to play a key role in driving the maintenance and the generation of biodiversity. Although an extensive literature exists on the effect…”
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The emergence of division of labor in a structured response threshold model by de Oliveira, Viviane M., Campos, Paulo R.A.

“…We a propose an adaptive population model, which is structured in groups, to investigate the appearance of division of labor. In the model, the individuals…”
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