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Now showing items 21-30 of 344
Efeito do alimento contaminado com cobre sobre o ciclo de vida e produção secundária de Daphnia laevis
(Universidade Federal de São Carlos, 2009-06-10)
With the advance of industrialization, there was an increase in the quantity of substances discharged in nature without treatment. Many of these substances are toxic and can cause adverse effects to aquatic biota, and may ...
Perda de matéria orgânica dissolvida por células flutuantes de cianobactérias potencialmente tóxicas expostas a altas intensidades de luz
(Universidade Federal de São Carlos, 2006-08-28)
Anabaena spiroides and Microcystis aeruginosa are cyanobacteria that frequently bloom in Barra Bonita Reservoir. These floating organisms and the characteristic turbulence found at the reservoir exposure the cells to higher ...
Comportamento bioquímico e fisiológico de sementes florestais nativas durante a embebição.
(Universidade Federal de São Carlos, 2003-04-16)
This work aimed to study the biochemical and physiological changes, with emphasis on alpha-galactosidase enzyme, which occur during the germination of Platymiscium pubescens, Tachigalia multijuga and Caesalpinia peltophoroides ...
Hidrologia dos bancos e ilhas oceânicas do nordeste brasileiro. Uma contribuição ao Programa Revize.
(Universidade Federal de São Carlos, 2001-08-06)
This work has as objectives to supply data on the temperature, salinity, dissolved oxygen, pH and nutrients (nitrite, nitrate, phosphate and silicate), of the areas of the banks and oceanic islands of the Zone Economic ...
Subsídios ao extrativismo de briófitas no município de Cananéia, SP
(Universidade Federal de São Carlos, 2009-08-21)
The management of non-timber forest products is an important alternative to forests maintenance. Nevertheless, the demand for some species at commercial scale may result in negative impacts to the local biodiversity. The ...
Caracterização e qualidade ambiental em dois fragmentos florestais na perspectiva da conservação de Alouatta guariba (HUMBOLDT, 1812) no interior do estado de São Paulo
(Universidade Federal de São Carlos, 2009-08-07)
This study was accomplished in two forest s fragments with different environmental characteristics; the Parque Estadual do Morro do Diabo (PEMD), a Conservation Unit located at Pontal of Paranapanema, and the Água-Branca ...
Ecologia de peixes que ocupam diferentes habitats da Planícies de inundação do rio Mogi-Guaçu, SP.
(Universidade Federal de São Carlos, 2005-06-08)
Fish from the Mogi-Guaçu River floodplains were sampled mostly in the wet season of 2001 to 2004, using several sampling gears, such as gill nets, sieves and a Dip net. Sixty
two species were collected, belonging to 5 ...
Influência das condições ambientais e técnicas de produção sobre a incidêcia de enfermidades no cultivo de camarão marinho, Litopenaeus vannamei, no estado do Ceará.
(Universidade Federal de São Carlos, 2003-09-30)
This study investigated the influence of environmental conditions and grow-out management practices on the occurrence of diseases during farming of the penaeid shrimp Litopenaeus vannamei. The work was conducted in commercial ...
Zoneamento ambiental de bacias hidrográficas: uma abordagem metodológica aplicada na bacia do Rio Bonito (SP).
(Universidade Federal de São Carlos, 2003-03-27)
The use of the concept for sustainable development in studies of Applied Ecology has
brought a large increasein the number of analysis and environmental planning methodologies. It comes particularly into a view the development ...
A importância das palmeiras arborescentes de grande porte na dinâmica das florestas amazônicas sazonalmente secas.
(Universidade Federal de São Carlos, 2005-07-07)
We investigated and compared the determinants of palm diversity at different spatial scales: along a moisture gradient in a seasonally dry Amazonian forest and using a climatic
model comprising the entire Brazilian territory. ...