In the original publication of this article (Williams et. al), Figure 4 was printed incorrectly. The correct Figure 4 is as follows:
![](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary:20190922223250479-0427:S0033589419000280:S0033589419000280_fig4g.gif?pub-status=live)
Figure 4. (a) Relative abundance of Chironomidae taxa of Lake Tonc˘ek; (b) total abundance of head capsules (HC/g); (c) diversity index (H); (d) richness (R); (e) mouthpart anomalies (%); (f) loss on ignition (LOI, %); (g) biogenic silica (BSi) concentration profile (mg/g); (h) chironomid zones calculated by a CONISS cluster analysis (Tilia version 1.7.16). Volcanic ash layers are presented in gray (TK1–TK9).
The authors apologize for this error.