The first layers for the Admiralty Bay Geographic Information System (GIS) are ready and available at the Núcleo de Pesquisas Antárticas e Climáticas, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil. The ...

A pesca artesanal no estuário da Lagoa dos Patos é uma atividade tradicional. As principais espécies-alvo são a tainha Mugil liza, a corvina Micropogonias furnieri e o camarão-rosa Farfantepenaeus paulensis. É comum que ...

Ongoing climatic change on the Antarctic Peninsula is well documented in numerous scientific publications. Nevertheless, spatial and temporal distribution of glacier changes on the Antarctic Peninsula remain largely unknown. ...

It is increasingly recognized that demersal communities are important for the functioning of continental shelf and slope ecosystems around the world, including tropical regions. Demersal communities are most prominent in ...

Freshwater stingrays, or potamotrygonids, are restricted to Neotropical river drainages. These elasmobranchs are well adapted to freshwater environments and the number of described species gradually increases as further ...

Algunas áreas de los Andes centrales son afectadas históricamente por riesgos naturales que ocurren en los ambientes de glaciares. Ya que los glaciares son muy sensibles a los cambios de temperatura, esperamos una ...

Variations in the total area covered by four small corrie glaciers in the eastern slopes of Keller Peninsula, Admiralty Bay, King George Island (KGI) are investigated using a topographical survey, carried out in the austral ...

An ilustrated key with criteria for differentiating phases and stages of fifteen genera of penaied larvae and magalopa of the Southern Brazilian coast was constructed entirely from planktonic samples and published larval ...

Consideramos a hipótese de que, no estuário da Lagoa dos Patos, a biomassa do fitoplâncton no verão seria controlada pela ação de herbívoros. O impacto do pastoreio no crescimento e na biomassa do fitoplâncton ...

The effect of Farfantepenaeus paulensis body weight (BW) on food consumption (FC) and gastric emptying (GE) was determined for four shrimp size classes (SC) under laboratory conditions: SC1 = 1.36 ± 0.43 g (mean wet BW ± ...

The application of artificial insemination techniques as a way to overcome the lack of mating of the closed thelycum Farfantepenaeus paulensis under large scale conditions is reported. The performance of artificially ...

The continental shelf of the extreme southern Brazil is one of the most productive fishing areas in Brazil. Great part of the commercial species is related to the estuary of Patos Lagoon. The estuary serves as spawning, ...

The Forum of Patos Lagoon, a multi-partner entity, was established in 1996 to organize the fishery sector of the estuary of Patos Lagoon (Brazil). Through the Forum, a strong link between fishermen and researchers has been ...

Determining how assembly rules (e.g. limiting similarity, environmental filtering and neutrality) shape community structure along environmental gradients and across spatial scales is still controversial. The study of ...

Ecologists, particularly those engaged in biogeomorphic studies, often seek to connect data from three or more domains. Using three-block partial least squares regression, we present a procedure to quantify and define ...

We investigated the diet, feeding strategy,size-related dietary shifts and prey preferences of South American Hoplias aff. malabaricus in an internationally recognized but poorly investigatedBiosphere Reserve in southern ...

In southern Brazil, cold (La Niña) and warm (El Niño) episodes of the El Niño Southern Oscillation (ENSO) phenomenon cause drought and high rainfall, respectively. The low precipitation and freshwater outflow associated ...

Characidium rachovii (Regan, 1913) é uma espécie frequente em riachos da planície costeira do estado do Rio Grande do Sul, sul do Brasil. Entretanto, seu nicho trófico é ainda desconhecido. O presente trabalho teve como ...

High rainfall associated with El Niño events significantly increases runoff and stream discharge in southern Brazil. High freshwater discharge changes salinity, temperature, and water circulation patterns that can affect ...

This work investigated variations in fish guilds along marine surf zone to freshwater reaches of coastal plain streams and their relationships with environmental factors. Fish and abiotic data were collected monthly during ...