2015
DOI: 10.1590/1519-6984.06414
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Effects of season on ecological processes in extensive earthen tilapia ponds in Southeastern Brazil

Abstract: In Southeastern Brazil tilapia culture is conducted in extensive and semi-intensive flow-through earthen ponds, being water availability and flow management different in the rainy and dry seasons. In this region lettuce wastes are a potential cheap input for tilapia culture. This study examined the ecological processes developing during the rainy and dry seasons in three extensive flow-through earthen tilapia ponds fertilized with lettuce wastes. Water quality, plankton and sediment parameters were sampled mon… Show more

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Cited by 2 publications
(1 citation statement)
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“…Because of its trophic connection with phytoplankton, if there is a change in primary production, it will directly affect its quantity and composition. These changes may occur by excess nitrogen and phosphorus in the water (Eskinazi-Sant'Anna et al, 2007;Conley et al, 2009), caused by climate and by fish culture (Sipaúba-Tavares et al, 2011;Favaro et al, 2015). Therefore, analyzing this community is mandatory for assessing water quality and nutrient concentrations (Sipaúba-Tavares et al, 2010).…”
Section: Introductionmentioning
confidence: 99%
“…Because of its trophic connection with phytoplankton, if there is a change in primary production, it will directly affect its quantity and composition. These changes may occur by excess nitrogen and phosphorus in the water (Eskinazi-Sant'Anna et al, 2007;Conley et al, 2009), caused by climate and by fish culture (Sipaúba-Tavares et al, 2011;Favaro et al, 2015). Therefore, analyzing this community is mandatory for assessing water quality and nutrient concentrations (Sipaúba-Tavares et al, 2010).…”
Section: Introductionmentioning
confidence: 99%