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 ...

A comunidade de macrófitas aquáticas desempenha um papel estrutural e funcional de grande importância ecossistêmica em ambientes límnicos de águas rasas. Estes ambientes de lagos rasos e banhados são muito comuns na planície ...

Os invertebrados aquáticos constituem um grupo de extrema importância ecossistêmica, pois apresentam uma grande biodiversidade que reúne animais de várias categorias taxonômicas, sendo essenciais na manutenção da estrutura ...

Resumo: Este trabalho foi desenvolvido com o objetivo de caracterizar temporalmente a comunidade de macroinvertebrados associados a Salvinia spp. no arroio Bolaxa, na planície costeira da região sul do Rio Grande do Sul. ...

In the Imboassica Lagoon (22o 24’S and 42o 42’W) (Macaé, RJ, Brazil), two species of macroalgae of the genus Chara (C. angolensis and C. fibrosa) registered in large areas were identified. The lagoon is subject to ...

The community of Charophytes in the Imboassica coastal lagoon in Brazil (22◦ 24_ S and 42◦ 42_ W) sometimes occupies almost the entire benthic region, and presents a large variation in C:N:P ratio. The effect of drawdown ...

This paper presents the results of a study on the clonal growth of Typha domingensis Pers. in the Imboassica lagoon, in the intervals between four drawdowns. Sampling was performed over a period of two years, from permanent ...

The growth relations of the shrimps Farfantepenaeus brasiliensis (Latreille, 1817) and F. paulensis (Pérez-Farfante, 1967) were evaluated at Imboassica lagoon, Macaé, Rio de Janeiro State, between June 1995 and September ...

Macrobrachium acanthurus Wiegmann, 1836 is a Palaemonidae commonly found in Brazilian coastal environments. At Imboassica lagoon, located in the north of the State of Rio de Janeiro, it is found in two stages of its life ...

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 ...

A Lagoa Imboassica, Macaé, RJ, Brasil (22º50';44º42'W), vem sofrendo vários impactos antrópicos, destacando-se o lançamento de esgotos domésticos in natura e a abertura artificial da barra de areia que a separa do oceano. ...

This investigation of the aquatic macrophyte Eleocharis mutata (L.) Roem. Et Schult. was carried out in Imboassica lagoon, a coastal lagoon in Macaé (22_500S; 44_420W), in the northern part of Rio de Janeiro, Brazil. The ...

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 ...

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 ...

This work was performed at Imboassica lagoon (Macaé, RJ), an urban coastal lagoon subject to anthropogenic impacts, such as the inflow of untreated domestic sewage, landfilling in its margins and artificial openings of the ...

Chironomidae larvae are important macroinvertebrates in limnic environments, but little knowledge exists about their biometrics development characteristics. This study aims to describe the immature Chironomus calligraphus ...

The northern part of the state of Rio de Janeiro shelters many coastal lagoons, located, mostly, i the “restinga” strip that stretches from the municipality of Macaé to the municipality of Quissamã During 1995 and 1996 ...

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 ...