1000 resultados para Gota D Água
Resumo:
A água é um recurso vital para a existência de todos os organismos vivos, e a captação para uso doméstico, produção agrícola, mineração, produção industrial, geração de energia, atividades de lazer e práticas florestais podem levar à deterioração da sua qualidade, atingindo o ecossistema aquático e também a disponibilidade de água potável disponível para consumo humano. O presente trabalho teve como objetivo monitorar a qualidade da água do Córrego Chumbeadinha no município de Ourinhos-SP, que perpassa pela área urbana da cidade e é desprovido de mata ciliar em quase todo seu percurso, além de sofrer dois represamentos artificiais. O Córrego Chumbeadinha é um afluente de segunda ordem do Rio Paranapanema, percorrendo cerca 4 km de sua nascente até sua foz. Foram realizadas amostragens das seguintes variáveis: Sólidos em Suspensão, pH, concentração de oxigênio dissolvido, condutividade elétrica, temperatura da água, coliformes fecais, transparência da água, além do cálculo do índice de estado trófico, em quatro locais no curso do córrego, de setembro de 2009 a abril de 2010. Dessa forma, o córrego Chumbeadinha nasce com uma qualidade boa, apesar de sofrer forte pressão da expansão urbana, porém os demais pontos foram classificados como eutróficos, sendo registrada a presença de coliformes fecais em todas as amostragens. A falta de vegetação nas margens do lago pode ser a grande causadora da eutrofização, pois os sedimentos não encontram dificuldades para chegar até o curso d'água, assim interferindo diretamente no IET do lago.
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The paper aims to diagnose obstacles to the commercialization of agricultural production of the settlement of São Domingos dos Olhos D'Água, municipality of Morrinhos, Goiás state. The research is characterized as exploratory, with qualitative approach and field research. The results show that the difficulties in the commercialization of production, especially those produced with the based on agribusiness and intermediaries, can be overcome with the expansion of public programs to support family farms. It follows that family farming can be a viable alternative to combat the expropriation of the wealth produced by resettled farmers, especially with the establishment of commercializationmechanisms that connect them directly with the final consumer, such as the Food Acquisition Program (Programa de Aquisição de Alimentos).
Resumo:
The paper aims to diagnose obstacles to the commercialization of agricultural production of the settlement of São Domingos dos Olhos D'Água, municipality of Morrinhos, Goiás state. The research is characterized as exploratory, with qualitative approach and field research. The results show that the difficulties in the commercialization of production, especially those produced with the based on agribusiness and intermediaries, can be overcome with the expansion of public programs to support family farms. It follows that family farming can be a viable alternative to combat the expropriation of the wealth produced by resettled farmers, especially with the establishment of commercializationmechanisms that connect them directly with the final consumer, such as the Food Acquisition Program (Programa de Aquisição de Alimentos).
Resumo:
The paper aims to diagnose obstacles to the commercialization of agricultural production of the settlement of São Domingos dos Olhos D'Água, municipality of Morrinhos, Goiás state. The research is characterized as exploratory, with qualitative approach and field research. The results show that the difficulties in the commercialization of production, especially those produced with the based on agribusiness and intermediaries, can be overcome with the expansion of public programs to support family farms. It follows that family farming can be a viable alternative to combat the expropriation of the wealth produced by resettled farmers, especially with the establishment of commercializationmechanisms that connect them directly with the final consumer, such as the Food Acquisition Program (Programa de Aquisição de Alimentos).
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This paper analyses the sustainability under the environmental (ecological) perspective of Water Supply and Sanitary Sewers Systems from Uberaba city, MG. It was accomplished in this analysis, An Environmental Sustainability Assessment of those systems, by the means of specific sustainability indicators proposed for Uberaba, but which may be used for other simi-lar cities. To the characterization of the systems, visitations were made to the main units as well as a documental was elaborated. The definition of the level or stage of the sustainability by the indicators was made based on a literature review, on interviews with the technicians and managers of the systems and based on the characterization and observation of the system reality, being attributed to them the following classification: Non Sustainable, Low Sustaina-bility, Medium Sustainability and High Sustainability. It was verified that the indicators that have lower compatibility to the process of sustainability to the studied systems are those rela-ted to the water physical losses, to the water per capita consumption, to the electricity con-sumption and to the sludge from the water treatment plants disposal untreated into a water body, for the Water Supply System. And those ones related to the attendance with sewage treatment, to the electricity consumption and to the usage of the treated sewage, for the Sani-tary Sewers, all of them classified as Non Sustainable.
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A comunidade bentônica exerce um importante papel em processos ecológicos e eco toxicológico em ambientes aquáticos. Esta comunidade reflete alterações físicas, químicas e ecológicas ocorridas no ambiente aquático, funcionando como indicador de alterações da qualidade ambiental. É constituída, em sua grande parte, de organismos sedentários ou sésseis de vida relativamente longa (RESH, 1993; ROSENBERG e RESH, 1993) indicando o estado trófico passado e presente e os efeitos de poluentes nos corpos d?água, armazenando informações por períodos mais longos. O cultivo de peixes em tanques-rede vem sendo cada vez mais utilizado. O aumento desta atividade faz com que se torne necessária o desenvolvimento e aplicação de tecnologias de baixo custo e práticas para o monitoramento e avaliação da qualidade da água em reservatórios rurais.Em vista disso, coletores do tipo substrato artificial podem ser utilizados para esta finalidade, possuindo a vantagem de reduzir bastante ocusto de avaliação da qualidade da água por empregarem materiais de fácil aquisição e confecção.
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A self-flotator vibrational prototype electromechanical drive for treatment of oil and water emulsion or like emulsion is presented and evaluated. Oil production and refining to obtain derivatives is carried out under arrangements technically referred to as on-shore and off-shore, ie, on the continent and in the sea. In Brazil 80 % of the petroleum production is taken at sea and area of deployment and it cost scale are worrisome. It is associated, oily water production on a large scale, carrier 95% of the potential pollutant of activity whose final destination is the environment medium, terrestrial or maritime. Although diversified set of techniques and water treatment systems are in use or research, we propose an innovative system that operates in a sustainable way without chemical additives, for the good of the ecosystem. Labyrinth adsor-bent is used in metal spirals, and laboratory scale flow. Equipment and process patents are claimed. Treatments were performed at different flow rates and bands often monitored with control systems, some built, other bought for this purpose. Measurements of the levels of oil and grease (OGC) of efluents treaty remained within the range of legal framework under test conditions. Adsorbents were weighed before and after treatment for obtaining oil impregna-tion, the performance goal of vibratory action and treatment as a whole. Treatment technolo-gies in course are referenced, to compare performance, qualitatively and quantitatively. The vibration energy consumption is faced with and without conventional flotation and self-flotation. There are good prospects for the proposed, especially in reducing the residence time, by capillary action system. The impregnation dimensionless parameter was created and confronted with consecrated dimensionless parameters, on the vibrational version, such as Weber number and Froude number in quadratic form, referred to as vibrational criticality. Re-sults suggest limits to the vibration intensity
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Este projeto tem como objetivo elaborar um plano de intervenção visando atuar na baixa adesão do tratamento antihipertensiva entre a população idosa na Estratégia de Saúde da Família Maria de Lourdes Guimarães no Município de Pingo D'Água. Para a elaboração do plano de intervenção foi utilizado o Método do Planejamento Estratégico Situacional. Foi feita pesquisa bibliográfica nas bases de dados do Google Acadêmico e da SciELO
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A educação alimentar inicia-se muito precocemente, nos primeiros meses de vida, quando são construídos os alicerces dos hábitos alimentares. O comportamento alimentar da criança é determinado pela interação da criança com o alimento, pelo seu desenvolvimento anatomofisiológico e por fatores emocionais, psicológicos, socioeconômicos e culturais. Entretanto, a influência mais marcante na formação dos hábitos alimentares é o produto da interação da criança com a própria mãe ou a pessoa mais ligada à sua alimentação. O município Olho d' Água do Casado /AL atende a população pertencente à Estratégia Saúde da Família. O presente estudo tem como objetivo apresentar um projeto de intervenção educativa sobre maus hábitos de nutrição nas crianças do PSF # 3 deste município, o qual constitui um problema de saúde pública. Nossa equipede trabalho PSF#3 tem um área de abrangencia urbana, mais, tem familias em situações precárias de moradía, o 21,9% tem menos de 14 anos, os quais em algum momento do atendimento tem apresentados manifestações de anemía e outras deficiencias nutricionais reconhecidos tanto pelas manifestações clínicas como por exames de laboratorio, pelo que a equipe identifico como problema fundamental que muitas crianças tem um deficiente estado nutricional devido a mãos hábitos de alimentação que tem arraigados as mães e avós e que vem ascendendo de geração em geração, e por isso surgiu a necessidade de elaborar um projeto de intervenção baseado na priorização dos problemas encontrados e com base em seus nós críticos se desenhou um plano de operações e possíveis soluções, com o objetivo de aumentar o nível de informação da população sobre a importância de uma alimentação correta nas crianças e, desta forma, modificar hábitos e estilos de alimentação nelas e assim lograr mudanças na população e melhorar o deficiente estado nutricional das crianças.
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The Orchidaceae is one of the largest flowering plants family and with a great importance to conservation. However, no survey on orchid flowers can be found in Mato Grosso do Sul. Thus, the objective of this work was to make a survey of the Orchidaceae species and of its ecology features in a riparian forest in a fragment of Floresta Estacional Semi-Decidual that belongs to the riparian forest of the Dourados River. The inventory was made by using a sweeping method for collection, and in addition to this the vertical and horizontal position of epiphytes were assessed on the hosts. For characterization of microclimate, it was used a thermohygrometer and luximeter. It was identified 17 species of 13 genera. Of the listed genera, the most abundant ones were: Acianthera, Macradenia and Capanemia. It was also noted a vertical and horizontal distribution of the Orchidaceae in relation to inverse gradient of water and light availability. Some species tended to be sensitive to height level categorization, whereas others seemed to occur with similar frequency along the host. In relation to the cardinal orientation, the apparent preferential response for south and east directions was associated to the low sampling effort and lower water availability, which could occur because the north face is opposed to the water body.
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The main objective of this work is the study of the effect of rice husk addition on the physical and mechanical properties of soil-cement, in order to obtain an alternative construction material. The rice husk preparation consisted of grinding, sieving, and the pre-treatment with lime solution. The physical characteristics of the soil and of the rice husk were determined. Different amounts of soil, cement and rice husk were tested by compaction and unconfined compression. The specimens molded according to the treatments applied to the mixtures were subsequently submitted to compression testing and to tensile splitting cylinder testing at 7 and 28 days of age and to water absorption testing. After determining its physical and mechanical characteristics, the best results were obtained for the soil + 12% (cement + rice husk) mixture. The results showed a promising use as an alternative construction material.
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This paper presents the behavior of three bored piles conducted in diabasic soil submitted to uplift forces. The piles were built at the site for Experimental Studies in Soil Mechanics and Foundations of UNICAMP, located in the city of Campinas, Brazil. Field tests have already been conducted at the site (SPT, CPT, DMT and PMT), as well as laboratory tests by using sample soils taken from a well up to 17 m deep. The water table is not checked until a depth of 17 m. In order to check the behavior of the piles when submitted to uplift forces, slow static load tests were carried out as the recommendations of NBR 12131. The carrying capacity of these piles was also provided by means of theoretical methods, appropriate for uplift forces, and through semi-empirical methods appropriate for compression forces, considering only the portion of lateral resistance. The values estimated by using the considered methods were compared to those obtained by means of load tests. One of the tested piles was extracted from the soil to be the subject of a study on its geometry.
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Universidade Estadual de Campinas . Faculdade de Educação Física
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Phytoplankton may function as a "sensor" of changes in aquatic environment and responds rapidly to such changes. In freshwaters, coexistence of species that have similar ecological requirements and show the same environmental requirements frequently occurs; such species groups are named functional groups. The use of phytoplankton functional groups to evaluate these changes has proven to be very useful and effective. Thus, the aim of this study was to evaluate the occurrence of functional groups of phytoplankton in two reservoirs (Billings and Guarapiranga) that supply water to millions of people in São Paulo city Metropolitan Area, southeastern Brazil. Surface water samples were collected monthly and physical, chemical and biological (quantitative and qualitative analyses of the phytoplankton) were performed. The highest biovolume (mm³.L-1) of the descriptor species and functional groups were represented respectively by Anabaena circinalis Rabenh. (H1), Microcystis aeruginosa (Kützing) Kützing (L M/M) and Mougeotia sp. (T) in the Guarapiranga reservoir and Cylindrospermopsis raciborskii (Wolosz.) Seen. and Subba Raju (S N), Microcystis aeruginosa and M. panniformis Komárek et al. (L M/M), Planktothrix agardhii (Gom.) Anagn. and Komárek and P. cf. clathrata (Skuja) Anagn. and Komárek (S1) in the Billings reservoir. The environmental factors that most influenced the phytoplankton dynamics were water temperature, euphotic zone, turbidity, conductivity, pH, dissolved oxygen, nitrate and total phosphorous.
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A cave population of the armored catfish Isbrueckerichthys alipionis is reported from the Santana Cave, in the rio Betari watershed, Upper Ribeira karst area, Iporanga, São Paulo State, southeastern Brazil. The cave population was compared to an epigean population of I. alipionis and no significant differences where found in morphology or degree of pigmentation. As the cave population is known for at least 30 years and is apparently isolated from epigean streams, it is classified as troglophilic. The discovery of this troglophilic species in the Santana Cave is an additional strong argument for the conservation of that cave.