Introduction
Littoral paludification is one of the most characteristic
features of boreal lake landscape changes (see
Vaarama, 1961; Rintanen, 1996; Andersson, 2001). The
increase of aquatic macrophyte vegetation cover over
time has been reported in several large boreal lakes
(Wallsten, 1981; Andersson, 2001; Partanen & Hellsten