Ensjön, on the southern outskirts of Norrköping, is a popular swimming lake, but also eutrophic. To get clearer water, 48 tons of carp fish will be taken this autumn and also in the following two years.
Ensjön, on the southern outskirts of Norrköping, is a popular swimming lake, but also eutrophic. To get clearer water, 48 tons of carp fish will be taken this autumn and also in the following two years.