Ciências Biológicas: Últimas Submissões
Resultados 21-30 de 3059
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Rare diseases in Uruguay : focus on infants with abnormal newborn screening
(2019) [Artigo de periódico]Introduction: Newborn Screening Program (NBS) in Uruguay includes congenital hypothyroidism (CHT), phenylketonuria (PKU), congenital adrenal hyperplasia (CAH), cystic fibrosis (CF), medium chain acyl-CoA dehydrogenase ... -
Zooplankton and water quality of lakes of the northern coast of Rio Grande do Sul State, Brazil
(2005) [Artigo de periódico]The indicator properties of zooplankton assemblages were evaluated along the environmental gradient of water quality caused by organic effluent discharge in the following lakes: Marcelino, Peixoto, Pinguela, Palmital, ... -
Spatial and temporal variations of the benthic macrofauna in different habitats of a lagoon of the northern coastal system of Rio Grande do Sul
(2006) [Artigo de periódico]The present work analyses the structure of macrobenthic community in three areas of Itapeva Lagoon, northern coast of Rio Grande do Sul. In each study area, deltaic margin of Três Forquilhas River, central area and east ... -
Spatial and temporal distribution of Nematoda in a subtropical estuary
(2006) [Artigo de periódico]The spatial and temporal distribution of Nematoda communities was analysed in three environments: in the Tramandaí lagoon, where there is a constant input of fresh water, in the Armazém lagoon, where saline water enters ... -
Substrate stability in streams : effects of stream size, particle size, and rainfall on frequency of movement and burial of particles
(2004) [Artigo de periódico]Surface movement and burial of streambed particles are indicated in the literature as mechanisms by which floods disturb stream invertebrate assemblages. We designed an experiment to test whether stream size, rainfall, and ... -
Meiofauna structure in Tramandaí-Armazém estuary (south of Brazil)
(2005) [Artigo de periódico]The meiofauna spatial and temporal distribution at Tramandaí-Armazém estuary was investigated through 4 seasons (summer, autumn, winter, spring), in 2000, in three environments: Tramandaí lagoon, with constant fresh water ... -
Evaluation of metals in water, sediment and fish of Azul lake, an open-air originally coalmine (Siderópolis, Santa Catarina state, Brazil)
(2003) [Artigo de periódico]Seasonal samples were taken between May 2001 and January 2002 in Azul lake, Siderópolis, SC, that was originally an open-air coalmine, presently in disuse. Concentrations of Chromium, Manganese, Nickel, Zinc and Iron were ... -
Ecology of the epilithic diatom community in a low-order stream system of the Guaíba hydrographical region : subsidies to the environmental monitoring of southern brazilian aquatic systems
(2006) [Artigo de periódico]From the relationship between the structure of epilithic diatom communities in the Schmidt Stream - a small water course in the Guaíba hydrographical region, RS, Brazil – and changes in water quality, as well as physical ... -
Functional types in epilithon algae communities of the Maquiné River, Rio Grande do Sul, Brazil
(2004) [Artigo de periódico]Functional types (FTs) are groups of organisms defined by traits and similar in their association to certain environmental variables. When FTs are used to describe communities, patterns can be more clearly related to ... -
Survival of rainbow trout Oncorhynchus mykiss Walbaum, 1792 (Salmoniformes - Salmonidae) eggs in an altitude stream in southern Brazil
(2005) [Artigo de periódico]The introduction of rainbow trout (Oncorhynchus mykiss) in a high altitude stream in Southern Brazil occurs every year in winter to support a put and take fishery of local economical importance. The effects of this ...