Sand Exploitation
Mostrando 1-8 de 8 artigos, teses e dissertações.
-
1. Logging impact on Amazonian white-sand forests: perspectives from a sustainable development reserve
RESUMO A super-exploração madeireira é uma das principais causas de perda da biodiversidade e extinções locais. Na Amazônia brasileira o uso intensivo focado em poucas espécies tem levado à redução de suas populações e à substituição destas espécies, consideradas “nobres” pelo mercado madeireiro, por espécies “menos nobres” com popul
Acta Amaz.. Publicado em: 04/11/2019
-
2. Caracterização de leveduras do gênero Trichosporon isoladas de três regiões costeiras do Estado de São Paulo / Characterization of Trichosporon spp. Isolated from three coastal regions of São Paulo State, Brazil
Coastal regions are being threatened because they have a predatory and uncontrolled exploitation of natural resources by changing biodiversity. Yeasts are part of the marine ecosystem, though some species are associated with superficial mycoses, subcutaneous and / or systemic. The objective of this study was to quantify yeast, isolation and Trichosporon spp.
Publicado em: 2010
-
3. Aproveitamento da areia gerada em obra de desassoreamento - caso: Rio Paraibuna/SP. / Exploitation of sand generated from the removal of sediment work - case: Paraibuna River /SP.
Em decorrência do assoreamento do leito do Rio Paraibuna, no município de Paraibuna/SP, a captação de água para a Estação de Tratamento de Águas (ETA) desse município vem enfrentando problemas com a sucção de areia e outros detritos, fato este que diminui a capacidade de captação e aumenta o desgaste de equipamentos. No presente caso, o problema
Publicado em: 2010
-
4. Estudos sedimentolÃgico, morfolÃgico e hidrodinÃmico do Canal de Santa Cruz â PE
The Chanal of Santa Cruz is estuarine system with 22 Km of extension, two connections of the sea and 36.6 Km2 of area. Itâs situated on Pernambuco North cost and separating ItamaracÂa Island from to the continent. They discharge a set of rivers and streams, being main the Itapessoca, Carrapicho, Botafogo and Igarassu. The mongrove ecossistem it was much de
Publicado em: 2008
-
5. Utilização do composto de resíduos da poda da arborização urbana em substratos para produção de mudas. / Utilization of the compost of residues from the pruning of the urban trees in substrate, for the production of seedling.
The discarding of materials by the humanity is increasing. Cultural, economic and population factors contribute for volumetric formation of these materials. To minimize the effect of the accumulation of these materials in the garbage deposits, public politics must be implemented to enlarge the recycling of inorganic materials and the composting of the organi
Publicado em: 2007
-
6. Tratamento das águas de chuva escoadas sobre telhado e avaliação do seu uso
This research, qualitative and quantitative, is resulted of experiments for the treatment and quality of rain waters, flowed off on roofs, for domestic and industrial use. The choice of the subject is justified by the fact of the exploitation of the rain water to be an auxiliary resolution to the water scarcity, mainly in places where the lack of this resour
Publicado em: 2004
-
7. Susceptibility of spiny rats (Proechimys semispinosus) to Leishmania (Viannia) panamensis and Leishmania (Leishmania) chagasi
The role of Proechimys semispinosus as reservoir of Leishmania (Viannia) panamensis on the Colombian Pacific coast was experimentally evaluated. The susceptibility to L. chagasi also was assessed to determine the utility of this rodent as a model for studying reservoir characteristics in the laboratory. Wild-caught animals were screened for natural trypanoso
Memórias do Instituto Oswaldo Cruz. Publicado em: 2002-09
-
8. Caracterização da oferta e demanda de agregados minerais em Campinas
Some of the major Brazilian cities face difficults regarding sand and crushed stone supply, the most important mineral aggregate used in house building in Brazil and elsewhere. The main again effects observed are scarcity of raw material, poor quality and high prices. This dissertation aims to characterized and to asses the constraints regarding the supply o
Publicado em: 1990