Canada's lake labs.

The article focus on the changes which occurs in the Canadian lakes by experimental lakes area since 1950 after applying some experiments. Topics discussed including some experiments which have proven invaluable to aquatic ecosystems including dumping of phosphorus, bitumen and other toxins into crystalline lakes; efforts of scientists in 1966 in convincing the federal and Ontario governments for experimenting with real lakes; and 58 small lakes comes under experimental lakes area.