More diversity than before: Indications for re…

More diversity than before: Indications for recovery after ecosystem pollution:

Lake Constance, one of the largest freshwater lakes in Europe, suffered from eutrophication, or nutrient contamination caused by agricultural and waste water run-off in the mid-1900s. A study has now revealed that one European whitefish species expanded its genetic variation through hybridization with other whitefish species during the period of eutrophication.