General characteristics of the three analysed reservoirs and annual average values of some physical and chemical parameters.

<p>Values correspond to the average of six depths sampled in each reservoir, each month between March and October 2010.</p>a<p>, Zeu: Depth of euphotic zone, Zm: Depth of mixing zone, Cond: conductivity, TAC: total alkalinity, DIN: dissolved inorganic nitrogen, SRP: soluble reactive phosphate, TP: total phosphorus, Si: dissolved silica, BOD₅: biological oxygen demand, COD: chemical oxygen demand, DOC: dissolved organic carbon, TOC: total organic carbon; ^b, <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0116145#pone.0116145-Sarmento1" target="_blank">[44]</a>.</p><p>General characteristics of the three analysed reservoirs and annual average values of some physical and chemical parameters.