In Norway, for example, which has nearly 200,000 lakes, over half of the freshwater lakes have been found to be acidic, indirectly affecting the survival of fish and other aquatic life forms.
以全國有近廿萬個湖泊的挪威為例，發現有半數以上淡水湖呈酸性，並間接影響魚群與其他水棲生物的生存。