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Demografia e variação genética de Puma concolor (Linnaeus, 1771) na região nordeste do estado de São Paulo
(Universidade Federal de São Carlos, 2010-07-30)
The northeast area of São Paulo state was originally covered by cerrado and semideciduous forest, but for the last two centuries, it has experienced distinct cycles of human exploitation of its fertile soils. Despite of ...
Efeitos da exposição à fração solúvel da gasolina em parâmetros bioquímicos e fisiológicos de Prochilodus lineatus
(Universidade Federal de São Carlos, 2010-05-19)
The aim of this work was to evaluate the effects of the water-soluble fraction of gasolina (WSFG) to the Neotropical fish Prochilodus lineatus. The WSFG was prepared by adding gasoline to water (1:4) this mixture was then ...
Estudos limnológicos e ecotoxicológicos da bacia do Alto Jacaré-Guaçu com ênfase no desenvolvimento de sedimentos artificiais para avaliação da toxicidade do cromo
(Universidade Federal de São Carlos, 2010-06-01)
This work aimed evaluates the Alto Jacaré-Guaçu rivers basin quality through physical, chemical and biological and ecotoxicological analysis. Samples of water and sediment were collected in April /07; July/07; October/07 ...
Caracterização limnológica e análise da comunidade de macro-invertebrados bentônicos em um trecho da sub-bacia do alto Rio São Francisco (MG, Brasil)
(Universidade Federal de São Carlos, 2010-03-09)
In lotic environments, the benthic fauna is generally well developed and constitutes a community of great importance in the functioning of these ecosystems. The benthic macroinvertebrates participate in food chains, ...
Concepções de educação ambiental e perspectivas pedagógicas de professoras do ensino fundamental e as potencialidades do Pólo Ecológico de São Carlos (SP)
(Universidade Federal de São Carlos, 2010-05-06)
Since 1970´s, in Brazil, a series of educational proposals have incorporated activities related to environmental issues among then outdoor activities in natural spaces. However, we consider that most of those activities ...
Caracterização biológica da ictiofauna carnívora da Represa do Beija-Flor, Estação Ecológica de Jataí, Luiz Antônio, SP
(Universidade Federal de São Carlos, 2010-04-06)
This study was done in Beija-flor Dam a reservoir built in 1965 by damming the Beijaflor stream , a tributary of the Mogi-Guaçu river. It is deemed to be flooded lake to maintain constant communication with the river and ...
Atividade das enzimas celulase e xilanase durante a decomposição anaeróbia de macrófitas aquáticas
(Universidade Federal de São Carlos, 2010-08-12)
Enzymatic activity during decomposition is extremely important to hydrolyze molecules that are assimilated by microorganisms. During aquatic macrophytes decomposition, enzymes act mainly in the breakdown of lignocellulolytic ...
Características limnológicas da bacia hidrográfica do córrego Rico, Jaboticabal, SP
(Universidade Federal de São Carlos, 2010-03-09)
Evaluation of quality and quantity of water contributes to the strategic decisionmaking policies and techniques to ensure the potential use of this resource for agriculture, industry, animal watering and for human consumption. ...
Dinâmica de população de Tapirira guianensis AUBL. (Anacardiaceae), em áreas de restinga e cerradão do Estado de São Paulo
(Universidade Federal de São Carlos, 2010-03-03)
The situation of a population can only be assessed through demographic studies, considering its dynamics in terms of changes on fecundity, recruitment and mortality of individuals. Considering the peculiarities of the ...
Variação espacial e temporal de uma taxocenose de caprelídeos (Crustacea: Amphipoda) em um ecossistema subtropical sujeito à poluição por hidrocarbonetos de petróleo
(Universidade Federal de São Carlos, 2010-06-11)
The petroleum demand, as so as the commerce of its derivates, has caused the introduction of these compounds in marine ecosystems. The transportation and the extraction of petroleum cause severe accidents, impacting coastal ...