Schmid, M., Ross, K. and Wüest, A. 2012. Comment on An additional challenge of Lake Kivu in Central Africa – upward movement of the chemoclines by Finn Hirslund. Journal of Limnology. 71, 2 (Jul. 2012), e35. DOI:https://doi.org/10.4081/jlimnol.2012.e35.