O objetivo do experimento foi avaliar o potencial do cultivo em meio heterotrófico (flocos microbianos) no crescimento e sobrevivência de Farfantepenaeus paulensis na fase de berçário. Durante 30 dias foram cultivadas ...

Cyanobacterial blooms and the accompanying production of cyanotoxins are a serious global problem. Toxic blooms of Anabaena species are common in lagoons and reservoirs of southern Brazil. Worldwide, species of the genus ...

Ninety-three species of bony fishes were caught in 4 seasonal bottom-trawl surveys carried out between July 1986 and May 1987 on the outer shelf and upper slope (124 to 587 m depth) along the southern Brazilian coast (30°40' ...

O presente trabalho visou o estudo de Anabaena spiroides na Lagoa dos Patos e dos fatores ambientais favoráveis ao seu aparecimento. Durante 15 meses e em cinco pontos de amostragem ao longo do estuário, foram medidos ...

Cianobactérias são microorganismos procariontes e autotróficos encontrados em diversos habitats. A disponibilidade de nitrogênio e fósforo e de condições ideais de temperatura e de pH nas águas favorecem as florações. No ...

The franciscana dolphin has been considered the most threatened small cetacean in the south-western Atlantic Ocean due to gillnet by-catch. The estimation of the species’ abundance has been recommended as the highest ...

Este estudo foi realizado com o objetivo de avaliar a possibilidade de reduzir a concentração proteica da dieta para pós-larvas de camarão-branco-do-pacífico (Litopenaeus vannamei) por meio da suplementação do aminoácido ...

A dieta e o comportamento alimentar do cherne-poveiro Polyprion americanus no sul do Brasil (28°- 34°40'S, 70-510m) foi estudada a partir de conteúdos estomacais e alimento regurgitado de peixes capturados pela pesca ...

A fim de contribuir com a integração da Educação Ambiental nos currículos escolares, propomos neste trabalho o conceito de ambientalização sistêmica, a qual busca avançar no conceito de ambientalização ao incorporar a ...

In recent years, aquaculture has been growing all over the world. In the estuarine region of Patos Lagoon (southern Brazil), small pilot shrimp farms are being developed by the Mariculture Laboratory at the FURG. Despite ...

Five cruises carried out in the main navigation channel of the Patos Lagoon estuary, southern Brazil, between June and December 1989, showed high concentrations of ammonium (up to 3"0 ~tM), nitrate (up to 13"0 ~tM), and ...

During the summer of 2002 and 2003, daily monitoring of beach profiles were conducted at Cassino Beach, a highly dissipative beach in southern Brazil in order to verify changes in the dynamic inner and outer bar systems ...

A costa do Rio Grande do Sul é caracterizada por uma barreira arenosa dominada por ondas apresentando quatro desembocaduras permanentes fixadas ao longo de 640 km de praia. O presente trabalho visa detalhar as características ...

Um estudo morfodinâmico foi realizado num balneário com reduzida urbanização, o Mar Grosso, localizado em São José do Norte, Rio Grande do Sul. Aspectos morfológicos do sistema praia-duna foram analisados através de perfis ...

Mud deposits near sandy beaches, found throughout the world, are of scientific and societal interest as they form important natural sea defenses by efficiently damping storm waves. A multi-national field experiment to study ...

The Patos Lagoon estuary has one of the most important harbor complexes in Brazil. The increasing navigational activities observed in the last decade enhanced the dredging demand in the access channel of the lagoon. Developments ...

The southern portion of the Brazilian coast is dominated by coastal lagoons formed by sandy barrier spits with small inlets. This coastal configuration is a barrier to the surface flow of freshwater to the sea; thus, we ...

The concentration assessment of Hg, Pb, Cd, Cu, Zn, Cr, Mn and Fe in marine mussels Perna perna, sampled at 15 stations along the 800 km Southern Brazilian Coast, has been carried out. Samplings were taken twice, in summer ...

This paper presents the results of satellite-image digital processing. The area of study covered Patos Lagoon (southern Brazil). Suspended matter distribution was used as conservative traces. Circulation patterns and their ...