Ocorrência e variação temporal de microalgas nocivas em área de aqüicultura costeira no sul do Brasil. A presença de microalgas nocivas em áreas de aqüicultura representa um problema potencial de saúde humana e possíveis ...

O estudo de caso como objetivo avaliar as condições de conforto ambiental dos escritórios de Blumenau/SC, numa amostra de 5 empresas públicas e privadas, de diferentes portes e segmentos, totalizando 247 postos de trabalho. ...

A field study of the microbial food web was conducted in a shallow region of the Patos Lagoon estuary (32°07′S; 52°06′W) between March 1989 and March 1990. On average, bacterial biomass (mainly attached bacteria) constituted ...

A longevidade populacional avança rapidamente no Brasil, porém, há poucas referências quanto à preparação das políticas de saúde e assistência aos idosos para esta nova demanda. O presente artigo trata-se de uma revisão ...

The paper presents a dichotomous key and a comparative table summarizing dimension data and diagnostic characteristics of seventeen Thalassiosira species (diatoms) commonly found in Lagoa dos Patos estuary and the coastal ...

O desenvolvimento acelerado da atividade de aquacultura ao longo dos últimos anos levou ao desenvolvimento de novas tecnologias em busca de sistemas mais produtivos e ao mesmo tempo ecologicamente corretos. O objetivo desta ...

The surf-zone diatom Asterionellopsis glacialis (Castracane) Round attains extremely high abundances (up to 109 cells l–1) and chl a concentrations (up to 1.5 mg chl a l–1), forming darkbrown patches in Cassino Beach, ...

O presente estudo teve como objetivo determinar a eficiência de meios contendo diatomáceas ou flocos microbianos e a mistura de ambos, na sobrevivência, crescimento e conversão alimentar de juvenis de camarão-branco ...

This study aimed at identifying morpho-species of microplankton dinoflagellates (> 20 μm) of the order Peridiniales and Prorocentrales off Santa Marta Grande Cape, CSMG (SC, 28º 40’ S) and Albardão-Chui, AC ( r S, ...

The dinoflagellates of the Dinophysiales order are a morphologically diverse and ecologically heterogeneous group that includes autotrophic, mixotrophic and heterotrophic species and others containing endosymbionts or ...

We examined the morphology of Skeletonema species occurring in coastal waters of southern Brazil, on the basis of LM, SEM, and TEM analyses of six isolated strains and of 13 field samples from the Patos Lagoon estuary and ...

Here we compare cell physiology and domoic acid (DA) production for two strains of the diatom Pseudo-nitzschia multiseries originating from two opposite latitudes: Canada (CA) and Brazil (BR). The algae were grown as ...

The effect of a 7-nao drought (La Nifia 1988) was evaluated on pelagic properties in the large Paros Lagoon (30~176 50~176 Frona December 1987 to December 1988, surface water was sampled along the longitudinal axis of the ...

Algumas diatomáceas são importantes na aquicultura pelas suas qualidades nutricionais e contribuição na formação de flocos microbianos. Com o objetivo de avaliar o crescimento e manutenção da população da diatomácea ...

Bio-floc shrimp culture systems have been investigated in an attempt to optimize water use and prevent the discharge of effluent into the environment. The importance of microalgae in maintaining water quality and nutrition ...

An enclosure experiment in the Patos Lagoon estuary, southern Brazil (32°S, 52°W) investigated the response of phytoplankton to the enhancement of mesozooplankton and fish abundance. Addition of nutrients (NO3 − and ...

Aquaculture generates a large load of effluents richin organic matter and nutrients that may be intro-duced into the environment. This study aimed toassess in a microcosm experiment, the effect ofshrimp pond water mixed ...

Stable isotopes ratios (d13C and d15N) were measured in primary producers and consumers of two bays with contrasting eutrophic conditions in the Patos Lagoon estuary, southern Brazil: the Justino bay, a more pristine ...