Search
Now showing items 11-20 of 22
Variação anual da diversidade e produção secundária de Rotifera do reservatório da UHE de Furnas-MG, Brasil
(Universidade Federal de São Carlos, 2010-02-22)
The UHE-Furnas is a reservoir built in 1963 for hydroelectricity generation, but also exploited for multiple purposes. In the last decades it has been subject to continuous antropic impacts as the discharges of domestic ...
Macroinvertebrados em córregos da região da Mata Atlântica (Sudeste do Brasil): influência da cultivo de banana
(Universidade Federal de São Carlos, 2007-08-31)
The integrity of aquatic ecosystems has been compromised by innumerable anthropogenic actions, for example, extensive agriculture that has been producing alterations in water quality and aquatic community characteristics. ...
Avaliação de deformidades morfológicas em larvas de Chironomus (Diptera, Chironomidae) na bacia do rio Piracicaba e sua aplicação no biomonitoramento
(Universidade Federal de São Carlos, 2010-05-06)
The Piracicaba river basin is considered one of the most polluted in the state of São Paulo. It is located in a region with high population density in addition to great development of agribusiness and chemical, textiles, ...
Coleoptera aquáticos associados a troncos submersos em córregos de baixa ordem localizados em diferentes tipos de vegetação do Estado de São Paulo
(Universidade Federal de São Carlos, 2011-03-04)
Riparian vegetation is source of wood debris in streams so variation in vegetation type promote difference in biomass and richness of these substrates, which affect composition and abundance of insects associated with ...
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, ...
Avaliação integrada da poluição em dois estuários do Espírito Santo, Brasil por meio de biomarcadores e análises químicas no ambiente e em Centropomus parallelus Poey, 1860
(Universidade Federal de São Carlos, 2011-03-30)
Estuarine and coastal regions are often impacted by various anthropogenic influences derived from industries, port activities, agriculture and sewage. Two Brazilian estuaries (Piraque-açu - ES and Santa Maria - ES) were ...
A influência da complexidade e cor do ambiente sobre o comportamento de emergência e seleção de habitat em Odonata
(Universidade Federal de São Carlos, 2018-03-02)
Understanding which behavioral traits influence animal occupation in different habitats is indispensable for understanding ecological processes. Different habitat characteristics, such as the visual complexity of the ...
Entomofauna aquática do Ribeirão das Anhumas (Bacia hidrográfica do Rio Mogi-Guaçú, SP) : influência do represamento e do uso da terra na estrutura da comunidade
(Universidade Federal de São Carlos, 2012-02-29)
Changes in river basins such as the deforestation of riparian vegetation, the expansion of agricultural activities and construction of dams, are examples of anthropogenic interference, which interferes with the diversity ...
A comunidade bacterioplanctônica e o estado trófico de dois ecossistemas aquáticos de Minas Gerais
(Universidade Federal de São Carlos, 1999-04-08)
This work analyzed the density, biomass and bacterian biovolume through epifluorescency's microscopy with acridina's orange, they were related with the trophic state
of two aquatic ecosystem in Minas Gerais. The samples ...
A influência do fósforo na toxicidade de cobre e composição bioquímica de Chlorella vulgaris
(Universidade Federal de São Carlos, 2011-09-02)
Metal toxicity to microalgae is dependent on environmental conditions, evolutionary history of the microalgae, and previous exposure of the organism to the specific metal. Also, it is importantly influenced by the physiological ...