Testing method to remove invasive species

On the island Pensaskari in Tornio archipelago is a small lake which have become overgrown with the invasive Canadian waterweed (Elodea canadensis). Watch the video and news article from the Swedish television that followed the work removing the invasive species from the lake. Or check out the news article from the Finnish media.
Keep an eye on invasive alien species

By noticing the species, reporting them and never releasing them back into the wild you can help stopping the spread of them in the Bothnian Bay.