The characteristics of the biogenic element of the runoff fr om the drainage areas of the Gulf of Finland basin experiencing a lim ited anthropogenic impact
zon», 7—9 ijunja 2009 goda. St. Petersburg.
Tretyakov Victor, Seleznev Denis
drainage area, landscape composition, share of agricultural lands, percentage of tillage, forest-land percentage, density of rural population, forest age and type, biogenic element concentration dynamics