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 Author(s): PETRUCIO, M. M.; BARBOSA, F. A. R.; FURTADO, A. L. dos S. The purpose of this study was to measure the phytoplankton production (PP) and bacterial production (BP) simultaneously in seven lakes in the middle Rio Doce basin (southeast Brazil) during the dry an... ... |
 Author(s): BARRETO, D. A.; FURTADO, A. L. dos S.; FOLHARINI, S. DE O.; MARINHO, C.; ROCHA, A. DE M.; BOZELLI, R. L.; AZEVEDO, J. P. S. DE; SILVA, L. H. S. Rivers, as most bodies of water, are subject to eutrophication and water contamination, mainly from domestic sewage and industrial discharges from urban centers and agricultural areas. These growing h... ... |
 Author(s): ROCHE, K. F.; FERREIRA, M. G. A.; CALHEIROS, D. F. Abstract: Aim: Knowledge of the factors influencing the biomass of phytoplankton in rivers is important with reference to the characterization of water quality and predicting the effects of environmen... ... |
 Author(s): PIMENTEL, O. A. L. F.; THEY, N. H.; ANDRADE, R. J. V. de; OLIVEIRA, V. Q. de; AMADO, A. M.; GÁLVEZ, A. O.; BRITO, L. O. The aim of this study was to test the effect of different ionic adjustments in low salinity water on the composition and temporal variation of plankton from intensive shrimp nurseries with a synbiotic... ... |
 Author(s): QUEIROZ, J. F. de; BOEIRA, R. C.; NICOLELLA, G. Resumo: Durante os últimos anos tem-se disseminado o uso de aplicações de grandes quantidades de calcário agrícola (CaCO3), entre 1.000 a 2.000 kg/ha, em viveiros de aquicultura na Ásia e em outros pa... ... |
 Author(s): LIMA, A. F.; REIS, A. G. P. dos; COSTA, V. E.; VALENTI, W. C. Natural food available in ponds can complement formulated feed in fed aquaculture. This study elucidated the natural food intake and its contribution to tambaqui (Colossoma macropomum) growth in ferti... ... |
 Caracterização da comunidade fitoplanctônica na microbacia do Lajeado Santa Fé Baixa, Itapiranga-SC. Author(s): DINNEBIER, H. C. F.; GARBOSSA, A. A.; MATTHIENSEN, A. Resumo: Fatores antrópicos decorrentes do uso e ocupação do solo afetam a qualidade das águas superficiais, com consequências para toda a biodiversidade local. Assim, fazem-se necessários estudos que... ... |
 Author(s): GUIMARÃES, M.; PELEGRINI, M. D. B; PAULA, V. J. de; JONSSON, C. M.; CASTRO, V. L. S. S. de Resumo: O presente estudo teve como objetivo avaliar a toxicidade de agentes tóxicos isoladamente ou simultaneamente. Os compostos estudados foram diflubenzurom e parationa metílica. Inicialmente fora... ... |
 Author(s): RODRIGUES, A. P. O.; FREITAS, L. E. L. de; MACIEL-HONDA, P. O.; LIMA, A. F.; LIMA, L. K. F. de Adequate feeding protocols are extremely important for the technical and economic feasibility of fish production systems. Two feeding rates, 3% and 4% body weight per day (3%BW and 4%BW), and two feed... ... |
 Author(s): BUSTILLO, V.; VICTORIA, R. L.; MOURA, J. M. S. de; VICTORIA, D. de C.; COLICCHIO, E. The influence of Amazonian floodplains on the hydrological, sedimentary, and biogeochemical river budget was investigated over a 2000-km reach. A process-based model relying on the closure of chemical... ... |
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