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Now showing items 11-20 of 21
Decomposição de macrófitas aquáticas em dois reservatórios com diferentes estados tróficos
(Universidade Federal de São Carlos, 2012-05-23)
The macrophytes are essential for the development and maintenance of food webs, to carbon dynamics and nutrient cycling in tropical aquatic systems. After senescence and plant death, decomposition of organic detritus depends ...
Efeitos da exposição ao inseticida diflubenzuron em curimbatá, Prochilodus lineatus (Teleósteo, Prochilodontidae)
(Universidade Federal de São Carlos, 2013-06-28)
The diflubenzuron (DFB), sold under the name Dimilin® (CHEMTURA), has been extensively used in aquaculture and agricultural applications may occur contamination of the aquatic environment. Prochilodus lineatus was exposed ...
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 ...
Influência dos antimicrobianos oxitetraciclina e imazalil sobre a decomposição da macrófita aquática Egeria najas Planch
(Universidade Federal de São Carlos, 2015-05-27)
The pharmaceutical compounds residues, especially antibiotics, are among the most
worrying emerging environmental contaminants. These residues potentially cause
negative effects on microorganisms that play an important ...
Composição bioquímica de organismos planctônicos visando à aplicação em aquicultura
(Universidade Federal de São Carlos, 2014-06-09)
Aquaculture is an activity of great importance in food production, but fish survival in post- larval stages represents a big challenge. Artemia sp. is successfully used as live food, but is expensive and one of the ...
Diversidade de macrófitas aquáticas em áreas úmidas do Parque Nacional da Lagoa do Peixe, Rio Grande do Sul
(Universidade Federal de São Carlos, 2011-03-01)
The Lagoa do Peixe National Park is an important conservation unity, aiming to protect the wetlands, one of the most endangered type of ecosystem in the world. In Southern
Brazil around 90% of the wetlands were already ...
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 ...
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 ...
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, ...
Estudo limnológico da Lagoa dos Tropeiros, Capitólio, MG, com ênfase na comunidade de macroinvertebrados bentônicos
(Universidade Federal de São Carlos, 2010-02-26)
The studies on the diversity and functional role of benthic macroinvertebrates in lake ecosystems can provide relevant informations regarding the functioning and the health of these freshwater ecosystems. The aim of this ...