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. 2019 Apr 24;12:179. doi: 10.1186/s13071-019-3431-x

Fig. 2.

Fig. 2

Overview of eutrophication variables (a, b) (NO3, PO4) and abiotic variables (c, d): pH; tds, total dissolved salts; EC (mV), electro conductivity in mS per cm. All data shown as the mean ± standard error (SE). Treatments with and without predators were merged in this table. Different letters indicate significant differences between treatments at α = 0.05