High Declivity Areas
Mostrando 1-12 de 16 artigos, teses e dissertações.
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1. Definition of priority areas for soil and water conservation in the Itanguá watershed, Capão Bonito, SP state, Brazil
Resumo O uso inadequado dos solos pode provocar erosão e assoreamento dos cursos d’água reduzindo assim a quantidade e a qualidade da água na bacia. A implantação de práticas conservacionistas de solo e a presença de vegetação nativa são ações de fundamental importância para a conservação do solo e água na bacia, uma vez que elas atuam dimi
Ciênc. Florest.. Publicado em: 30/09/2019
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2. Avaliação da produção de sedimento na bacia hidrográfica do rio Potengi através do modelo SWAT
Anthropic disturbances in watersheds, such as inappropriate building development, disorderly land occupation and unplanned land use, may strengthen the sediment yield and the inflow into the estuary, leading to siltation, changes in the reach channel conformation, and ecosystem/water quality problems. Faced with such context, this study aims to assess the ap
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 06/12/2010
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3. Relações entre a morfodinâmica e a utilização em trechos da costa oceânica da Ilha de Santa Catarina, SC, Brasil
This Doctorate dissertation analyzes the relation among morphodynamic characteristics of oceanic sandy beaches and the use of its coast. The study area is the oceanic coast of Santa Catarina Island, in Florianópolis, SC, southern Brazil. First of all, data about forty beach profiles, which had been monitored, were collected. Several parameters were analyzed
Publicado em: 2009
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4. Utilização de sistemas de informação geográfica na identificação de áreas vulneráveis à contaminação do lençol freático : o caso da bacia do alto e médio curso do rio Uberabinha - MG
Due to the necessity of finding an efficient way of management for the water resources, the drainage basin has been proposed as the basic unity for its planning and management. As mentioned, it has been chosen the basin portion of the Uberabinha River situated in the city of Uberlandia as the area to be studied. As the drainage basin of the Uberabinha River
Publicado em: 2009
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5. Floristic composition and structure of the shrub-arboreal component of the Parque Natural Municipal da Cratera de Colônia, São Paulo, SP. / Composição florística e estrutura do componente arbustivo-arbóreo do Parque Natural Municipal da Cratera de Colônia, São Paulo, SP
The conservation of the biodiversity has been theme debated in several environment meeting in the world. The forestal areas near urban centers have received little attention from conservative programs, because many people belief that these areas are irreparably degraded. However, if adequately investigated, these areas could be useful indicating the patterns
Publicado em: 2009
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6. Relações entre a cobertura vegetal e os meios físicos e antrópicos na Microbacia Córrego dos Veados, Tanque Grande, Guarulhos, SP.
The adoption of micro hydrographic basin as units of environmental studies hás made possible to analyze them in holistic way, as demand this type of research. In this case, this dissertation discusses studies in the area of the reservoir Tanque Grande, located in the city of Guarulhos, São Paulo State, Brazil. For in such a way, it was selected the micro h
Publicado em: 2009
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7. Padrões espaciais da raiva bovina e seus determinantes no estado de são paulo entre 1992 e 2003
- Cattle rabies is a zoonosis that has been studied since the beginning of last century due to its importance in the public health, ecology and economy fields. The understanding of its epidemiology through an ecology approach is the starting point of this Thesis. This study understands that either territory or cattle raise of Sao Paulo State, Brazil, influen
Publicado em: 2008
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8. Isolamento e identificação de Klebsiella de solo de cerrado e o uso de suas enzimas para modificação química de fungicidas / Isolation and identification of Klebsiella in cerrado soil and its use of enzymes for chemical modification of fungicides
In this research, open ground samples (Brazilian Savannah Cerrado) proceeding from treated cultures of soy with Opera (epoxiconazol and piraclostrobin) had been used as source of resistant microorganisms to fungicide. The sample were collected in July 2006, in three points of planted area and two depths, 0 to 20 cm, and from 80 cm to 1m, next to the state hi
Publicado em: 2008
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9. Geoprocessamento na escolha de sistemas ambientais para aterros sanitários na Região Metropolitana de Fortaleza CE. / GIS in the choice of environmental systems for landfills in the metropolitan area of Fortaleza - CE.
The great deal of rubbish production is, currently, one of the biggest worldwide problems and it tends to aggravate due to the high number of people in the globe and to the type of our productive system. Parallel to the solid residues increase, it also happens a reduction of available areas for its disposal and a raise of urban ground prices. It is what has
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 12/03/2007
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10. The forest topsoil seed bank as a degraded area rehabilitation strategy / O uso do banco de sementes florestal contido no topsoil como estrategia de recuperação de areas degradadas
After the nineties, the awareness of the society and enhancement of legal environmental requirements resulted in a greater number of initiatives on degraded lands rehabilitation. The use of topsoil, which contains the forest seed bank and high concentrations of organic matter, has been successfully used, but its application still restrict to flat or low-decl
Publicado em: 2007
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11. DINÂMICA POPULACIONAL DE TRACHEMYS DORBIGNI, (TESTUDINES: EMYDIDAE) EM AMBIENTE ANTRÓPICO EM PELOTAS, RS / POPULATIONAL DYNAMIC OF TRACHEMYS DORBIGNI (TESTUDINES: EMYDIDAE) IN AN ANTHROPIC ENVIRONMENT IN SOUTHERN BRAZIL
Informations about the population dynamic of Trachemys dorbigni were collected from February 2006 to January 2007, in the Santa Barbara stream, Pelotas, Brazil. It was collected 377 individuals in the traps, 160 females, 146 males and 71 juveniles. The sex ratio was not different from 1:1. Males of T. dorbigni reached sexual maturity at 127 mm length. The sm
Publicado em: 2007
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12. Hydric erosion and initial development of the Eucalyptus grandis in a Red-Yellow Argisol submitted to different methods of soil preparation in the Vale do Paraíba-SP region / Erosão hídrica e desenvolvimento inicial do Eucalyptus grandis em um Argissolo Vermelho-Amarelo submetido a diferentes métodos de preparo de solo no Vale do Paraíba - SP
In Brazil, and especially in the state of São Paulo in the Vale do Paraíba region, eucalypt plantation is expanding to high declivity areas occupied with degraded pastures due to the limited agricultural value of these topographies and its greatest forest aptitude. Such areas are naturally more susceptible to the hydric erosion, which reduces the fores
Publicado em: 2005