Macrófitas aquáticas são comuns e abundantes em ecossistemas aquáticos rasos, e sua presença proporciona microhabitats que podem abrigar uma alta biodiversidade de invertebrados. Entre estes, são comumente encontrados os ...

Balloniscus glaber sp.n., is described from Rio Grande do Sul, Brazil.

A new species of Phalloniscus Budde-Lund, 1908 (Crustacea,Oniscoidea) is described: Phalloniscus I oyolai sp.n.from Curitiba, Paraná, Brazil.

OBJECTIVES: The six-minute walk test has been widely used to evaluate functional capacity and predict mortality in several populations. Thus, the aim of this study was to evaluate the prognostic value of the six-minute ...

This study determined the temporal variation of the biomass and the concentrations of carbon, nitrogen and phosphorus in Azolla filiculoides Lam. in a small (0.5 ha) shallow dystrophic lake located in the city of Rio Grande ...

We evaluated the potential of aquatic macrophyte communities as bioindicators in six small shallow lakes. Methods: The sampling was conducted monthly for one year, during which all macrophytes were surveyed, and the water ...

The aim of this study was to document the richness of aquatic macrophytes in six shallow lakes at Federal University of Rio Grande - FURG, Rio Grande, Rio Grande do Sul, Brazil. Qualitative surveys were carried out during ...

To evaluate leaf degradation and invertebrate colonization of Salix humboldtiana Willd. in a subtropical shallow lake on the coastal plain of Rio Grande do Sul, Brazil; Methods: Litter bags containing 6.85 g of leaves were ...

Chironomids are the most abundant macroinvertebrates in macrophyte detritus. The goal of this study was to characterize the diversity of these animals in decomposing Nymphoides indica and their relationship with abiotic ...

Contextualização: A literatura demonstra o efeito benéfico da terapia ultra-sônica de baixa intensidade sobre o processo de cicatrização de vários tecidos. Objetivo: Avaliar o efeito do ultra-som contínuo (USC) sobre a ...

O imposex caracteriza-se pelo surgimento de caracteres sexuais masculinos, sobretudo pênis e vaso deferente, em fêmeas de moluscos neogastrópodes. O fenômeno é provocado pela contaminação da água do mar e/ou da dieta ...

There are indications that the widespread use of organotin compounds (TBT and TPT) as antifoulings, as stabilizers in plastic and as pesticides, has severely affected several species of marine organisms. The most striking ...

OBJETIVO: Verificar a associação da força muscular respiratória com a capacidade funcional, força proximal de membros inferiores e variáveis bioquímicas em pacientes em hemodiálise (HD). MÉTODOS: Participaram deste estudo ...

Tem sido discutido por mais de 100 anos se a memória de curto prazo (STM) é separada ou apenas uma fase inicial da memória de longo prazo (LTM). A única maneira de resolver esse dilema é descobrir pelo menos um tratamento ...

The aim of this study was to evaluate the effects of growth hormone (GH)overexpression on the gene expression profile of multiple components of the antioxidant defense system(ADS)of different genotypes of a GH transgenic ...

Molluscs of the genus Mesodesma are marine bivalves inhabiting the middle littoral on sandy beaches of temperate and subtropical systems, where they usually are the dominant organisms. This genus is represented on South ...

Most biological actions of growth hormone (GH) are mediated by the insulin-like growth factor I (IGF-I) that is produced after the interaction of the hormone with a specific cell surface receptor, the GH receptor (GHR). ...

The aimof this study was to evaluate the sperm quality of Brazilian £ounder Paralichthys orbignyanus throughout its reproductive season. Sperm was collected at the beginning, middle and end of the breeding period. Spermatozoa ...

The Brazilian flounder, Paralichthys orbignyanus, is being considered for aquaculture due to its high demand and market price. Reproduction and larviculture studies have demonstrated the feasibility of massive fingerling ...

Decapod crustaceans show proliferation of the nerve cells in the olfactory lobe throughout their lives. However, the regulation of this process is still poorly understood, since it may vary with endogenous and exogenous factors. ...