“…The TSI showed the spatial variation of total phosphorus and the high concentrations of chlorophyll a, promoting interaction between the conditioning factor and the response variable. In lotic environments usually rich in phosphorus, the shorter residence time and low light availability may restrict the development of phytoplanktonic biomass (Cunha et al, 2013;Lemley et al, 2015;Madhu et al, 2017).…”