Recreational Water Quality
Mostrando 1-12 de 23 artigos, teses e dissertações.
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1. Assessing the sources of high fecal coliform levels at an urban tropical beach
Recreational water quality is commonly assessed by microbial indicators such as fecal coliforms. Maceió is the capital of Alagoas state, located in tropical northeastern Brazil. Its beaches are considered as the most beautiful urban beaches in the country. Jatiúca Beach in Maceió was found to be unsuitable for bathing continuously during the year of 2011.
Braz. J. Microbiol.. Publicado em: 27/10/2015
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2. Detection of enteric viruses in recreational waters of an urban lagoon in the city of Rio de Janeiro, Brazil
The aim of this study was to determine the occurrences of the group A rotavirus (RVA), norovirus (NoV) and human adenovirus (HAdV) in the surface waters of an urban lagoon (Rodrigo de Freitas Lagoon) in the city of Rio de Janeiro, Brazil. During one year of surveillance, water samples were obtained from the lagoon and other interconnected ecosystems (river a
Mem. Inst. Oswaldo Cruz. Publicado em: 2012-09
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3. Evaluation of HA negatively charged membranes in the recovery of human adenoviruses and hepatitis A virus in different water matrices
Human adenoviruses (HAdV) and hepatitis A virus (HAV) are shed in the faeces and consequently may be present in environmental waters, resulting in an increase in pathogen concentration that can affect water quality and human health. The aim of this study was to evaluate an adsorption-elution method which utilizes negatively charged membrane HA to determine t
Memórias do Instituto Oswaldo Cruz. Publicado em: 2009-11
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4. RURAL TOURISTIC INVENTARY IN ENVIRONMENT UNITS STUDY CASE: RIVER WATERSHED OF IBICUI RIVER UP TO THE DAM SATURNINO DE BRITO / INVENTÁRIO TURÍSTICO RURAL EM UNIDADES AMBIENTAIS ESTUDO DE CASO: BACIA HIDROGRÁFICA DAS NASCENTES DO RIO IBICUÍ-MIRIM ATÉ A BARRAGEM SATURNINO DE BRITO
Tourism has among its characteristics the dependence on the free time of people who travel, an unstable demand for intangible and diversified products, different public according to the season of year and static environment without the possibility of stocking its production. Besides the public, receptive, food, transportation, recreational and entertainment
Publicado em: 2009
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5. GESTÃO AMBIENTAL E GÊNERO EM PRESIDENTE JUSCELINO MG. / GESTÃO AMBIENTAL E GÊNERO EM PRESIDENTE JUSCELINO MG.
The aim of this research is to identify an economic activity that can improve and/or to use the main water resource of Presidente Juscelino city, MG: the Paraúna River; to propose a mechanism that may contribute to the reduction of consumption of controlled drugs in women (especially antidepressants and ant anxiety); to improve the economic conditions of th
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 01/12/2008
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6. Water quality assessement and water conditions for recreational use in basin of the Carrancas River - MG / AvaliaÃÃo da qualidade das Ãguas e condiÃÃes de balneabilidade na bacia do RibeirÃo de Carrancas-MG
The development of anthropogenic activities without an adequate planning has provided the degradation of waters quality, compromising the several uses of this natural resource, as its utilization for recreational use. In this context, the county of Carrancas, located in the southern area of Minas Gerais state, possesses various natural attractions, such as s
Publicado em: 2007
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7. O uso de praguicidas nas atividades aqüícolas: destino e efeitos após aplicações em tanques experimentais e avaliação nas pisciculturas e pesqueiros da bacia do rio Mogi-Guaçu / The use of pesticides in aquaculture: fate and effects after applications in experimental ponds, and evaluation in fish farms and fee fishing enterprises of Mogi-Guaçu river catchments
The use of pesticides has been the foremost course of action to combat the ectoparasites of farmed fee fishes, in which diflubenzuron (DFB) and the organophosphates methyl parathion (PM) and trichlorfon (TRC) (witch the main sub product is dichlorvos - DDVP) are the most widely used in the Mogi-Guaçu river catchments. The indiscriminate use of such compound
Publicado em: 2007
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8. Avaliação econômica do uso do lago Paranoá para atividades recreacionais. / Economic analisys of the use of the Paranoá Lake for recreational activities
The main objective of this study was to assess the economic relevance of the nautical recreational activity developed in a multiple use water body, and its corresponding relations with the water quality. This assessment was made based on an environmental economic evaluation methodology that estimates the costs and benefits of environmental goods and services
Publicado em: 2006
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9. Lago Paranoá: lazer e sustentabilidade urbana
This master thesis used both urban and environmental approaches to study the use and conservation of the Lake Paranoá. It is a case study at the local level based on the plans and propositions of the Projeto Orla. More specifically, this thesis described and analyzed the creation and occupation of the lake seashore in the urban context of the Distrito Feder
Publicado em: 2006
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10. Avaliação da presença de Cryptosporidium spp. e Giardia spp. em aguas minerais naturais de nascentes e enteroparasitoses em duas comunidades rurais da cidade de Campos do Jordão, SP, Brasil / Evaluation of the presence of Cryptosporidium spp. and Giardia spp. in natural mineral waters from springs and enteroparasitosis in two rural communities in the city of Campos do Jordão, S.P., Brazil
The presence of protozoan parasites Cryptosporidium and Giardia mainly in water destined to the human consumption, assumed in the last 22 years, a great importance in Public Health due to the water transmission of its infectant forms. These protozoa cause gastroenteritis in human and in many animal species. The transmission of these parasites occurs by oral-
Publicado em: 2006
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11. Impact of the ring-billed gull (Larus delawarensis) on the microbiological quality of recreational water.
We evaluated the impact of the ring-billed gull (Larus delawarensis) on the microbiological quality of water. We measured fecal coliforms, Salmonella spp., and Aeromonas spp. in the gull droppings and the number of fecal coliforms in the water prior to and after attracting these birds to the beach with food. Gulls can contribute to the bacteriological degrad
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12. Recreational water quality analyses of the Colorado River corridor in Grand Canyon.
We intensively examined the recreational water quality of the Colorado River and 26 tributaries in Grand Canyon National Park over four consecutive summers. Highly ephemeral precipitation cycles and arid watershed hydrologies were the principal factors influencing water quality. Fecal coliforms (FC) in the river and in most tributaries were less than or equa