<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Water, sediment and associated fauna were studied in a water hyacinth (<italic>Eichhornia crassipes</italic>) stand of a constructed wetland, used for aquaculture effluent treatment in SE Brazil, in February-April (summer/rainy season) and July-September (winter/dry season). The hydrological regime and decomposition processes had strong impact on the wetland water quality and on the associated fauna composition. Protozoa and Rotifera were at high densities, mainly in the dry season. <italic>Vorticella</italic> sp. was the dominant species in both seasons. Zooplankton richness, evenness and diversity were high during both seasons, with higher levels during the rainy season. Protozoa diversity and evenness were higher in the dry season when the water volume was lower. Maximum plant residence time in this wetland should be about 60 days.</p></abstract>

Water, sediment and associated fauna were studied in a water hyacinth (Eichhornia crassipes) stand of a constructed wetland, used for aquaculture effluent treatment in SE Brazil, in February-April (summer/rainy season) and July-September (winter/dry season). The hydrological regime and decomposition processes had strong impact on the wetland water quality and on the associated fauna composition. Protozoa and Rotifera were at high densities, mainly in the dry season. Vorticella sp. was the dominant species in both seasons. Zooplankton richness, evenness and diversity were high during both seasons, with higher levels during the rainy season. Protozoa diversity and evenness were higher in the dry season when the water volume was lower. Maximum plant residence time in this wetland should be about 60 days.

Associated Fauna to <italic>Eichhornia crassipes</italic> in a Constructed Wetland for Aquaculture Effluent Treatment

São Paulo State University, Aquaculture Center, Laboratory of Limnology and Plankton Production, Via de Acesso Professor Paulo Donato Castellane s/n, CEP 14884-900, Jaboticabal SP,

Transylvanian Review of Systematical and Ecological Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Associated Fauna to  in a Constructed Wetland for Aquaculture Effluent Treatment

Water, sediment and associated fauna were studied in a water hyacinth (Eichhornia crassipes) stand of a constructed wetland, used for aquaculture effluent...

Associated Fauna to Eichhornia crassipes in a Constructed Wetland for Aquaculture Effluent Treatment

Published Online: Mar 20, 2017

Page range: 29 - 42

DOI: https://doi.org/10.1515/trser-2017-0003

Keywords
floating macrophytes, zooplankton, aquaculture effluents, macrofauna

© 2017 Lúcia Helena Sipaúba-Tavares et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Associated Fauna to Eichhornia crassipes in a Constructed Wetland for Aquaculture Effluent Treatment

Published Online: Mar 20, 2017

Page range: 29 - 42

DOI: https://doi.org/10.1515/trser-2017-0003

Keywordsfloating macrophytes, zooplankton, aquaculture effluents, macrofauna

© 2017 Lúcia Helena Sipaúba-Tavares et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
floating macrophytes, zooplankton, aquaculture effluents, macrofauna