Correction to: Environmental Monitoring and Assessment (2022) 194:1–16 https://doi.org/10.1007/s10661-022-10081-0

Upon publication of the original article, it was noticed that in the HTML version, the winter and summer symbols of Figs. 2 and 3 were the wrong way round.

The corrected Figs. 2 and 3 are shown in the next page.

Fig. 2
figure 1

Total HM concentrations (mg/g) and organic matter (%) in sediments of Manzala Lake during winter and summer seasons. The dotted line represents average shale values (Turekian & Wedepohl, 1961)

Fig. 3
figure 2

Igeo (a), PLI (b), and RI (c) of HMs in the sediments of Manzala Lake. Win, winter; Sum, summer