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Mostrando ítems 31-40 de 46
Efeito de diferentes intensidades de perturbação na estrutura da comunidade de peixes de riachos
(Universidade Federal de São Carlos, 2009-06-10)
Land use changes can impact aquatic communities, compromising water quality due to the physical and chemical degradation of the habitat. This study evaluated the hypothesis that stream fish communities differ relative to ...
Avaliação ecotoxicológica da adição de nitrato em sedimentos eutrofizados da Represa Ibirité (Betim MG): experimentos em microcosmos
(Universidade Federal de São Carlos, 2009-05-15)
The objective of the present dissertation was to make a toxicity assessment of the application of calcium nitrate solution as a remediation procedure for sediments of a
eutrophic aquatic ecosystem. The study was carried ...
Labrundinia Fittkau, 1962 (Diptera: Chironomidae: Tanypodinae: Pentaneurini) : taxonomia e história natural de espécies do estado de São Paulo
(Universidade Federal de São Carlos, 2009-03-05)
The aim this work was study species Labrundinia Fittkau, 1962 (Diptera: Chironomidae: Tanypodinae: Pentaneurini) at São Paulo State. This taxon is commonly cited in ecological
studies, always in generic level. In the ...
Investigação do potencial alelopático de Pittosporum undulatum Vent
(Universidade Federal de São Carlos, 2009-03-26)
Pittosporum undulatum Vent., an Australian tree implicated in supression of tree recruiment in many ecosystems, is found invading secondary Araucaria forests in subtropical Brazil. The first chapter of this study aimed to ...
A pesca de iscas vivas na região estuarino-lagunar de Cananéia/SP: análise dos aspectos sociais, econômicos e ambientais como subsídio ao manejo dos recursos e ordenamento da atividade
(Universidade Federal de São Carlos, 2009-03-02)
As it happens in some places of rich biodiversity, which offer touristic attractions, we can notice in the Estuarine Lagoon Complex of Cananéia, Iguape e Ilha Comprida SP/Brazil a rise in the number of tourists, ...
Caracterização ambiental e condição do uso da terra da paisagem do município de São Félix do Araguaia - MT
(Universidade Federal de São Carlos, 2009-07-29)
There is an increase need for remote sensing data and associated analysis techniques in detecting and monitoring
landscape change, particularly for resource management and planning. Information derived from remote sensing ...
Estudo das interações fitoplâncton-protozooplâncton no reservatório de Barra Bonita, SP, com ênfase na toxicidade de microcistinas
(Universidade Federal de São Carlos, 2009-09-03)
The increasing eutrophication of aquatic environments, resulting from the human activities, is related to cyanobacterial blooms that are described, all over the world, as the agents causing toxicity and death in humans, ...
Aspectos da dinâmica populacional e reprodutiva de Pimelodus maculatus (Siluriformes, Pimelodidae) no reservatório de Cachoeira Dourada (GO-MG)
(Universidade Federal de São Carlos, 2009-04-29)
Growth and reproduction parameters of the yellow-mandi, Pimelodus maculatus (LACÉPÈDE, 1803) (Siluriformes, Pimelodidae), were determined for the Cachoeira Dourada reservoir (GO-MG). The field work occurred throughout ...
Estudos da ontogenia e da alimentação inicial de larvas de peixes, com ênfase em dourado Salminus brasiliensis (Characiformes, Characidae)
(Universidade Federal de São Carlos, 2009-11-12)
Samples were carried out on embryos and larvae of dourado Salminus brasiliensis from 6 hours after fertilization (haf) until the 17th day after fertilization (daf) in order to study the development of sensory system, by ...
Contribuição à educação ambiental: a construção da consciência ecológica em alunos do ensino fundamental
(Universidade Federal de São Carlos, 2009-04-06)
The present research is a qualitative-quantitative study, involving participative-actionresearch and descriptive procedures, achieved through analysis of empirical knowledge and field (practical) research. The object of ...