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Now showing items 11-20 of 34
Avaliação do consumo de bactérias pelo zooplâncton em um reservatório eutrófico raso (Reservatório do Monjolinho São Carlos SP)
(Universidade Federal de São Carlos, 2012-02-13)
Bacteria, found in terrestrial and aquatic environments, besides their important role in organic matter decomposition and nutrient cycling, are a food source for organisms of the higher trophic levels in the food chain, ...
Compostos com potencial alelopático em Aristolochia esperanzae O. Kuntze
(Universidade Federal de São Carlos, 2012-02-13)
ABSTRACT Allelopathy is defined as any process involving secondary metabolites that influence the growth and development of natural and cultivated systems. Plants of the Aristolochia genus are known for their use in ...
Perda de originalidade e extinções simuladas de espécies arbustivo-arbóreas de cerrado
(Universidade Federal de São Carlos, 2012-03-02)
Originality measures how different a given species is from all other species regarding either their phylogenetic history or functional traits and may be used to assign conservation priorities. This dissertation is divided ...
Riqueza ictiofaunística e aspectos hidrogeomorfológicos de rios e riachos das regiões de cabeceira e de planície de inundação da Bacia Tocantins-Araguaia, Brasil Central
(Universidade Federal de São Carlos, 2012-03-12)
This study aims to characterize the hydromorphological variables that structure the ichthyofauna and see if there is difference in the estimated species richness and species richness of families and trophic groups between ...
Estudo da fauna de Pimplinae (Hymenoptera: Ichneumonidae) em áreas de cerrado no estado de São Paulo
(Universidade Federal de São Carlos, 2012-04-10)
This study aimed to contribute to the knowledge of Brazilian fauna of Pimplinae through the characterization and quantification of their genera and species in Cerrado areas of State of São Paulo. Using Malaise traps and ...
Toxicidade do cádmio em uma cadeia alimentar constituída por uma microalga (Scenedesmus quadricauda), um cladócero (Simocephalus serrulatus) e um peixe (Hyphessobrycon eques)
(Universidade Federal de São Carlos, 2012-04-27)
The effects of trace metals contamination in aquatic environments are of concern in the ecotoxicological point of view. In these environments the organisms are exposed to metals in the dissolved form and also through ...
Efeitos dos herbicidas clomazone e ametrina em parâmetros funcionais da espécie de peixe neotropical Prochilodus lineatus
(Universidade Federal de São Carlos, 2012-03-30)
The use of biomarkers can provide a great help in the evaluation of the damages caused by pesticides in aquatic organisms. The present study aimed to verify the toxicity of clomazone and ametryn for a tropical freshwater ...
Cultivo de surubim pintado (Pseudoplatystoma corruscans) e híbrido (P. reticulatum X P. corruscans) em sistema de recirculação de água
(Universidade Federal de São Carlos, 2012-05-31)
This study aimed to test a pilot recirculating aquaculture system (RAS) and to evaluate in this system the effects of the stocking density on the production of species of surubim pintado , Pseudoplatystoma corruscans, and ...
Sistemática e biogeografia de Labrundinia Fittkau, 1962 (Diptera: Chironomidae : Tanypodinae): uma abordagem morfológica e molecular
(Universidade Federal de São Carlos, 2012-12-19)
This doctoral research focused on the systematics and biogeography of the Labrundinia species (Insecta: Diptera: Chironomidae: Tanypodinae). The basis of this study rested on the examination of the type material of all ...
Análise da paisagem e dinâmicas territoriais na bacia hidrográfica do Rio Pardo (RS)
(Universidade Federal de São Carlos, 2012-11-30)
The watershed river region that makes up the landscape of the Pardo s watershed has characteristics that make it interesting for the application of landscape studies, since, over the centuries, has been undergoing significant ...