98 resultados para patches
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Pós-graduação em Agronomia (Irrigação e Drenagem) - FCA
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Engenharia Civil e Ambiental - FEB
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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The Atlantic Forest biome, reduced to 12% of its original coverage, holds a significant portion of brazilian biodiversity, with high levels of endemism. Among the few remaining areas of the Atlantic, there is the region between the Complex of Cantareira and the municipality of Nazaré Paulista, which will be the object of study of this work. Using the concepts of Landscape Ecology, and analysis of thematic maps, this study aims to characterize the region in a ecologically scaled perspective, identifying two types of hotspots: i) for conservation and ii) for maintain habitat connectivity. Concepts of Landscape Ecology as landscape structure, patches, matrix, corridors (structural and functional) and connectivity, as well as their effects on local biodiversity was adopted and applied in the study region. We also analyzed the effects of roads, hydrographic system, Permanent Protection Areas (PPAs), and Conservation Units for flora and fauna maintenance at regional scale. This allowed us to define strategies and priority areas for the conservation and restoration of forest fragments of Atlantic Forest remnants within the study region. This study generated relevant knowledge for a better planning the region in order to create best conditions for the maintenance of regional biodiversity, and consequently, allowing to improve the quality of life for local population
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The human development requires that urban and industrial centers to be interconnected, with different modes of transport, among which the land transport is the most important. The roads may cross sections of remnant forests, which contain considerable diversity of species. Besides habitat fragmentation, the roads can also hinder connectivity between different patches. This kind of impact is not very well known. We reviewed the literature on Road Ecology in the Neotropics, and its relation to conservation of the biodiversity. We considered 32 papers on this issue. We compiled what is known and what the direction to take, as well as failures to be avoid in the samples, for future studies involving Road Ecology. Despite the growing trend of this subject, flaws in the methods for this type of studies show that there is no standardization of sampling effort or of experimental design for these studies. We also found that there is a lack of study of some taxonomic classes. The simple animal roadkills records do not make clear the impacts of the roads. The necessity of different designs for specific taxonomic classes must be considered, in order to produce better quality data and reliable results. Animals can avoid roads, getting isolated and limited to smaller areas of life. The dispersal and colonization of exotic flora species are facilitated by roads. Nevertheless, it is not known how or at which scale, these invasions impact the local communities. Finally, we proposed a flowchart as a conceptual model illustrating the potential impacts of roads on biodiversity and ecology interactions
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In this study we analyzed the influence of demographic parameters on the population dynamics of Tribolium castaneum, combining empiricism and population theory to analyze the different effects of environmental heterogeneity, by employing Ricker models, designed to study a two-patch system taking into account deterministic and stochastic analysis. Results were expressed by bifurcation diagrams and stochastic simulations. Dynamic equilibrium was widely investigated with results suggesting specific parametric spaces in response to environmental heterogeneity and migration. Population equilibrium patterns, synchrony and persistence in T. castaneum were discussed
Localização automática de pontos de controle em imagens aéreas baseada em cenas terrestres verticais
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Biologia Animal - IBILCE
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)