Abstract
The approaches of multivariate statistics have been used for the numerical classification of morphogenetic types of moss litters in swampy spruce forests according to their physicochemical properties (the ash content, decomposition degree, bulk density, pH, mass, and thickness). Three clusters of moss litters— peat, peaty, and high-ash peaty—have been specified. The functions of classification for identification of new objects have been calculated and evaluated. The degree of decomposition and the ash content are the main classification parameters of litters, though all other characteristics are also statistically significant. The final prediction accuracy of the assignment of a litter to a particular cluster is 86%. Two leading factors participating in the clustering of litters have been determined. The first factor—the degree of transformation of plant remains (quality)—specifies 49% of the total variance, and the second factor—the accumulation rate (quantity)— specifies 26% of the total variance. The morphogenetic structure and physicochemical properties of the clusters of moss litters are characterized.
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Original Russian Text © T.T. Efremova, A.F. Avrova, S.P. Efremov, 2016, published in Pochvovedenie, 2016, No. 9, pp. 1031–1041.
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Efremova, T.T., Avrova, A.F. & Efremov, S.P. Formalized classification of moss litters in swampy spruce forests of intermontane depressions of Kuznetsk Alatau. Eurasian Soil Sc. 49, 969–978 (2016). https://doi.org/10.1134/S1064229316090039
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DOI: https://doi.org/10.1134/S1064229316090039