Through whole-lake perturbation experiments, intensive culling of stunted fish removed 35 tons (1984–1991) of Arctic charr Salvelinus alpinus in Takvatn (15 km²) and 153 tons (1981–1983, 2002–2004) of ...

European whitefish transfer omega-3 fatty acids, but not mercury, into gonads. This transfer decrease muscle fatty acid and increase mercury concentration. In turn during the summer growing season ...