Abstract
A formalized arrangement of morphogenetic types of litter according to the physicochemical parameters provided their significant grouping in three genetic associations. The litter group (highly decomposed + moderately decomposed) is confined to the tall-grass group of bog birch forests. The rhizomatous (roughly decomposed) litter is formed in the sedge-reed grass bog birch forests. The litter group (peaty + peatified + peat) is associated with the bog-herbaceous-moss group of forest types. The genetic associations of the litters (a) reliably characterize the edaphic conditions of bog birch forests and (b)correspond to formation of the peat of certain ecological groups. We found highly informative the acid-base parameters, the exchangeable cations (Ca2+ + Mg2+) and the total potential acidity, which differentiated the genetic associations of litter practically with 100% probability. The expediency of studying litters under groups of forest types rather than under separate types of bog birch forests was demonstrated.
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Original Russian Text © T.T. Efremova, S.P. Efremov, A.F. Avrova, 2010, published in Pochvovedenie, 2010, No. 8, pp. 920–928.
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Efremova, T.T., Efremov, S.P. & Avrova, A.F. Correlation between the morphogenetic types of litter and their properties in bog birch forests. Eurasian Soil Sc. 43, 858–866 (2010). https://doi.org/10.1134/S106422931008003X
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DOI: https://doi.org/10.1134/S106422931008003X