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Coleoptera (Insecta) em sistemas aquáticos florestados: aspectos morfológicos, comportamentais e ecológicos
(Universidade Federal de São Carlos, 2012-02-29)
The present thesis was drafted to broaden knowledge on Coleoptera, with an emphasis on the family Elmidae, in aquatic systems in the state of São Paulo, Brazil. The thesis is divided in four chapters: 1) inventory of aquatic ...
Análise e zoneamento ambiental da área de proteção ambiental dos rios Ligeirinho e Leãozinho (Erechim, RS)
(Universidade Federal de São Carlos, 2012-03-13)
It was accomplished the analysis and environmental zoning of Ligeirinho and Leãozinho Environmental Protection Area, municipal district of Erechim, RS, with the objective of the environmental quality and ecological ...
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 ...
Estrutura da comunidade microbiana e a importância da bacterivoria por protozoários em uma represa subtropical (Represa do Lobo, SP, Brasil)
(Universidade Federal de São Carlos, 2012-02-13)
Planktonic bacteria play important role in the organic matter decomposition, nutrient cycling and as food for organisms of higher trophic levels such as flagellates and ciliates, thus representing fundamental components ...
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 ...
Avaliação do potencial bacterívoro de três espécies de cladocera de ocorrência tropical e subtropical
(Universidade Federal de São Carlos, 2012-11-19)
Cladocerans occupy an important position in freshwater food webs, acting like a bacteria consumer; being relatively non-selective filter feeders they can exert a strong impact on reducing microbial population. This study ...
Estudo sobre a ictiofauna do Rio Cabeça, um tributário do Rio Corumbataí com nascentes nas cuestas basalticas do estado de São Paulo
(Universidade Federal de São Carlos, 2012-03-08)
This study investigates the composition and distribution of fish species from Rio Cabeça, a tributary of Rio Corumbataí basin. Fish samples and physical data were monthly collected at four regular sampling sites and during ...
Resposta fisiologica de Chlorella vulgaris sob concentrações variáveis de cádmio, fósforo e nitrogênio
(Universidade Federal de São Carlos, 2012-04-09)
Microalgae are capable of adapting themselves to changes in environmental conditions through the production of different biomolecules. This study investigated the effects of the metal, cadmium on the ecophysiological ...
Influência de um fragmento florestal sobre as comunidades de macroinvertebrados de um córrego tropical degradado
(Universidade Federal de São Carlos, 2012-07-05)
Land use changes have resulted in large environmental impacts, and in agricultural landscapes sometimes only forest fragments remain. However, riparian forest remnants can influence positively stream water quality, and ...