Dissolved Oxigen
Mostrando 1-7 de 7 artigos, teses e dissertações.
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1. Heterogeneidade espacial e a qualidade das águas superficiais do Reservatório Guarapiranga (São Paulo-SP-Brasil) / Spatial heterogeneity and water quality of superficial water at the Guarapiranga reservoir (São Paulo-SP- Brazil)
Environmental heterogeneity studies are of great importance in ecology, once it interferes on ecosystems structure and working. Water reservoirs in particular are artificial ecosystems with high spatial and temporal heterogeneity. To test the hypothesis of existence of a pattern of longitudinal heterogeneity, and discuss water quality according to CONAMA 357
Publicado em: 2008
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2. Diagnóstico da qualidade da água do reservatório do Tanque Grande, município de Guarulhos, Estado de São Paulo, no período compreendido entre 1990 e 2005
The main objective of this research was to evaluate the water quality of the Tanque Grande Reservoir, in the period understood between 1990 and 2005, in function of the population increase in around of this reservoir, as well as of the diversification of the use and occupation of the ground in region. The present work had as objective main to analyze the qua
Publicado em: 2007
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3. Distribuição espacial e temporal da comunidade fitoplanctônica em uma área de malacocultura no município de Anchieta ES
The actual paper was made in the coastol region near Anchieta estuarian area in Espírito Santo State in na malacoculture area. The samples were taken monthly from January to December 2004 in 10 (ten) points: Rio, 1A, 1B, 1C, 2A, 2B, 2C, 3A, 3B, 3C. The analysis made were both a phytoplankton comunity quali-quantitative and environmental variables as water t
Publicado em: 2007
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4. Surface water resources quality at watersheds of the Alto Rio Grande region, MG State / Qualidade dos recursos hÃdricos superficiais em sub-bacias hidrogrÃficas da regiÃo Alto Rio Grande
Water resources, essential element to life, have been serious modified in last years, basically by human actions. Water quality studies have been very important to environmental management. This work aims at to study the behavior of surface water resources quality, in three specific environments belong to âWater Resources Unit for Planning and Managementâ
Publicado em: 2007
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5. Solar Disinfection Evaluation and its Social Viability at State of Ceará, Brazil / Avaliação do Processo de Desinfecção Solar (SODIS) e de sua Viabilidade Social no Estado do Ceará
Despite the importance of sanitation for well-being of the mankind and the natural resources conservation, still today a large number of people do not have access to wastewater system neither to public water supply. One technique which has being studied and applied in developing countries as a safe household water treatment method is solar disinfection, SODI
Publicado em: 2006
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6. Estrutura da comunidade de invertebrados bentônicos em dois cursos d'água do Rio Grande do Sul, Brasil
The benthic fauna has an important role in the trophic chain of limnic environments, serving as food for fishes and crustaceans. This work aimed to identify and compare, quantitative and qualitatively, the macrobenthic communities from two watercourses in Rio Grande do Sul State. Samplings were done with a Surber sampler, monthly, from September 1999 to Augu
Revista Brasileira de Zoologia. Publicado em: 2003-03
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7. Qualidade da água e fluxos de nutrientes na interface sedimento-água nas represas do Rio Tietê.
The first Law of Fick in one dimension was utilized for the calculation of those fluxes. In this work was calculated the concentrations of the following chemical species: nitrate, nitrite, ammonium, total nitrogen, orthophosphate, total phosphorus, dissolved organic carbon (DOC), cloride, fluoride, sulfate and silica reactive, as well as the biogeochemicals
Publicado em: 2003