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Master's Dissertation
DOI
Document
Author
Full name
Maureen Voigtlaender
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
Piracicaba, 2007
Supervisor
Committee
Lima, Walter de Paula (President)
Chaves, Djalma Miler
Laclau, Jean Paul
Title in Portuguese
Caracterização hidrológica e biogeoquímica de microbacias: uma comparação entre Mata Atlântica e Pinus taeda L.
Keywords in Portuguese
Bacia hidrográfica
Biogeoquímica
Hidrologia
Mata Atlântica
Pinheiro
Abstract in Portuguese
No Estado do Paraná, o setor industrial de papel e celulose possui aproximadamente 200 mil hectares de área reflorestada com Pinus . A crescente demanda vem impulsionando a implantação de novas áreas, sendo imprescindível a otimização do uso da área que se apresenta como o fato central da sustentabilidade. Neste contexto, não somente o que diz respeito à produtividade propriamente dita, mas aspectos relativos à qualidade ambiental, como os recursos hídricos e a conservação do solo são importantes para a conservação do ecossistema. Esse trabalho teve como objetivo principal caracterizar a dinâmica hidrológica e a biogeoquímica de duas microbacias, cobertas respectivamente, por Mata Atlântica e Pinus taedaL. As microbacias localizadas na região centro-leste do Estado do Paraná, no Município de Telêmaco Borba, foram selecionadas com a finalidade de realizar medições de precipitação e vazão, durante o período de agosto de 2005 a julho de 2006, e principalmente quantificar o balanço dos nutrientes. De acordo com os resultados, concluiu-se que as duas microbacias apresentaram características semelhantes para a dinâmica hidrológica, para as propriedades do solo e, principalmente para o balanço geoquímico dos nutrientes. Portanto, essas constatações apóiam a hipótese para futuras comparações entre as duas microbacias e permitem inferir que prováveis mudanças que possam ocorrer poderão ser atribuídas às práticas do manejo florestal.
Title in English
Hydrological biogeochemical characterization of small catchments: a comparison between Rainforest and Pinus taeda L.
Keywords in English
Biogeochemistry
Hydrology
Pine
Rainforest
River basin
Abstract in English
In the State of Paraná, Brasil, the pulp and paper industry holds about 200 thousand hectares of Pine plantatios. An increasing demand has been stimulating the implantation of new areas and this fact requires the optimization of land use practices, that which is itself a central fact for sustainability. In this context, not only from the perspective of the productivity, itself, but also in regards to environmental aspects, such as water resources and the conservation of the soil, which are important for the conservation of the ecosystem. The main objective, of this work was to characterize the hydrological and biogeochemical dynamics of two small catchments, covered wither Rainforest and Pinus taeda L. plantation. The catchments, located in the center east region of the Paraná State, in the municipality of Telêmaco Borba, were selected with the purpose of water balance calculation through continuous measurement of precipitation and streamflow, during the period of August of 2005 until July of 2006, and, mainly, the estimation of the catchment nutrients budget. The results showed that the two catchments presented similar characteristics in hydrological dynamics, as well an in soil properties and, mainly, in the geochemical nutrients budgets. Therefore, these evidences support the hypothesis for future comparisons between the two catchments and allow inferring that probable changes that can occur might be attributed to the practical forest management in one of them.
 
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Publishing Date
2007-06-15
 
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