Fig. 6From: Local traditional ecological knowledge about hay management practices in wetlands of the Biebrza Valley, PolandFragment of a cross section of the elevation pattern in wetlands by the Biebrza River (based on stratigraphic cross section no. 22, Olszowa Droga village area, made in 1960s, from Wyniki badań glebowo-florystycznych w dolinie Biebrzy dolnej by J. Oświt, 1965 [100])Back to article page