Search
Now showing items 21-30 of 542
Estrutura da comunidade de invertebrados aquáticos em arrozais do Rio Grande do Sul
(Universidade Federal de São Carlos, 2009-02-17)
Wetlands are prioritary ecosystems for conservation due to their vast biological diversity and productivity, besides their many functions and value. In southern Brazil conservative
data show that about 90% of the original ...
Morfologia, conservação e ecofisiologia da germinação de sementes de Psidium cattleianum Sabine
(Universidade Federal de São Carlos, 2009-03-09)
Psidium cattleianum has great potential for animal and human
food, for multiple uses of wood and for recovery of degraded areas. Due to its economic importance and to the lack of information on seed germination and ...
Estrutura, variação espacial e temporal da comunidade fitoplanctônica em três lagos do Vale do Rio Doce, Estado de Minas Gerais.
(Universidade Federal de São Carlos, 2002-12-19)
Comportamento bioquímico e fisiológico de sementes florestais nativas durante a embebição.
(Universidade Federal de São Carlos, 2003-04-16)
This work aimed to study the biochemical and physiological changes, with emphasis on alpha-galactosidase enzyme, which occur during the germination of Platymiscium pubescens, Tachigalia multijuga and Caesalpinia peltophoroides ...
Demografia e variação genética de Puma concolor (Linnaeus, 1771) na região nordeste do estado de São Paulo
(Universidade Federal de São Carlos, 2010-07-30)
The northeast area of São Paulo state was originally covered by cerrado and semideciduous forest, but for the last two centuries, it has experienced distinct cycles of human exploitation of its fertile soils. Despite of ...
Efeitos da exposição à fração solúvel da gasolina em parâmetros bioquímicos e fisiológicos de Prochilodus lineatus
(Universidade Federal de São Carlos, 2010-05-19)
The aim of this work was to evaluate the effects of the water-soluble fraction of gasolina (WSFG) to the Neotropical fish Prochilodus lineatus. The WSFG was prepared by adding gasoline to water (1:4) this mixture was then ...
Estudos limnológicos e ecotoxicológicos da bacia do Alto Jacaré-Guaçu com ênfase no desenvolvimento de sedimentos artificiais para avaliação da toxicidade do cromo
(Universidade Federal de São Carlos, 2010-06-01)
This work aimed evaluates the Alto Jacaré-Guaçu rivers basin quality through physical, chemical and biological and ecotoxicological analysis. Samples of water and sediment were collected in April /07; July/07; October/07 ...
Caracterização limnológica e análise da comunidade de macro-invertebrados bentônicos em um trecho da sub-bacia do alto Rio São Francisco (MG, Brasil)
(Universidade Federal de São Carlos, 2010-03-09)
In lotic environments, the benthic fauna is generally well developed and constitutes a community of great importance in the functioning of these ecosystems. The benthic macroinvertebrates participate in food chains, ...
Ecologia de peixes que ocupam diferentes habitats da Planícies de inundação do rio Mogi-Guaçu, SP.
(Universidade Federal de São Carlos, 2005-06-08)
Fish from the Mogi-Guaçu River floodplains were sampled mostly in the wet season of 2001 to 2004, using several sampling gears, such as gill nets, sieves and a Dip net. Sixty
two species were collected, belonging to 5 ...
Efeitos do fogo sobre assembleias de aves de cerrado
(Universidade Federal de São Carlos, 2015-03-27)
Fire is an ecological factor which seasonally affects fire-prone ecosystems, such
as grasslands and open savannas of the Cerrado, and changes some patterns
of the biota. This study aimed to investigate the influence of ...