Inicjalne gleby (Lithic Leptosols) piętra połonin w Bieszczadach i w Czarnohorze (Karpaty Wschodnie)

Characteristics of the Bieszczady Mts. and Chornokhora Mts. soils at the primary stadium of development (Lithic Leptosols) has been described. These soils are very shallow formations with profile consisting of a few centimetre of 0fh mor/moder type organic matter horizon situated directly on the weathered rock (R) or on the thick-grained regolith. The organic matter is in the primary stadium of humification, its reaction is very acidic (pH 3,5-4,0) and the fulvic acids prevail within the humus substance fractions. In some cases ratio 1:1 between fulvic and humic acids can be observed.