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Now showing items 101-110 of 435
Toxicidade, eficácia e efeitos morfofuncionais do antimicrobiano azitromicina para a tilápia Oreochromis niloticus
(Universidade Federal de São Carlos, 2015-08-24)
The increase of fish production in intensive systems involves the use of antimicrobians in the treatment of diseases caused by bacteria. Therefore, the aim of this study was to evaluate acute toxicity (CL50; 48h) of the ...
Estudo da assembleia de quirópteros (Mammalia: Chiroptera) da Gruta do Riacho Subterrâneo – município de Itu – SP
(Universidade Federal de São Carlos, 2015-04-29)
The objective of the present study was to analyze the taxonomic composition and structure
of a bat assemblage of Gruta do Riacho Subterrâneo, a granitic cave located the municipality
of Itu, São Paulo State, Brazil, and ...
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 ...
Riqueza e abundância de espécies em diferentes compartimentos da comunidade vegetal no gradiente fisionômico do Cerrado em Assis, SP
(Universidade Federal de São Carlos, 2012-08-03)
Fire protection has caused ongoing changes in savannas throughout the world, with the expansion of the woody component over more open vegetation. Although these changes have been documented at the landscape level, some ...
Partilha de polinizadores por espécies quiropterófilas em um fragmento de Cerrado, São Paulo
(Universidade Federal de São Carlos, 2010-06-29)
Flowering plants need some external pollen vectors to accomplish sexual reproduction. For plants, the access of sexual mates by pollinators agents is a limiting factor, wich make pollen vectors a critical resource for ...
Ecologia trófica e ecomorfologia da ictiofauna de igarapés maranhenses (Alcântara-MA)
(Universidade Federal de São Carlos, 2011-06-07)
The trophic ecology is one of the most important aspects to understand the role of a species in the community and in the ecosystem functioning. Studies regarding the feeding of fishes coupled to the ecomorphology of a ...
Estruturas de copa e raiz de espécies arbóreas do Cerrado nos primeiros anos de crescimento
(Universidade Federal de São Carlos, 2016-10-03)
Tree species of the cerrado vegetation show several degrees of leaf deciduousness
such as the deciduous, semi deciduous and evergreen. However, it is not clear if these
groups are functional groups. The main objective ...
Formação e mineralização de substâncias húmicas desde a decomposição de macrófitas aquáticas em reservatórios tropicais com diferentes graus de trofia
(Universidade Federal de São Carlos, 2015-07-08)
The decomposition of aquatic macrophytes is important for understanding the cycling of elements and organic matter in aquatic ecosystems. The decomposition rate is driven by biotic and abiotic factors. Thus, the aim of ...
A abordagem da biodiversidade nos resumos públicos dos planos de manejo FSC no Brasil : uma análise crítica
(Universidade Federal de São Carlos, 2016-06-17)
The silviculture activity, as well as other economic activities (industrial, agrarian,
farming, etc.), can cause environmental impacts, both positive and negative,
according to a number of circumstances, such as in ...
Diversidade e possíveis aplicações quimiotaxonômicas dos polissacarídeos extracelulares de microalgas verdes cocoides
(Universidade Federal de São Carlos, 2016-09-09)
The extracellular polysaccharide (EPS) produced by microalgae have mainly been studied
because of their relevance to aquatic environments (Myklestad 1995).
As the monomer composition of the EPS is presented as heteropolymers ...