ИСТИНА

Previously Albic Retisols were believed to be the dominant soil group under taiga forests. However, the studies in Western and Eastern Siberia showed the presence of various loamy soils both with and without textural differentiation. There are Cambisols and Cryosols with specific caviar and cryoplaty structures, Fe-Mn nodules and coatings. We hypothesized that differentiated and poorly differentiated soils form due to local hydrothermal, topographical and lithological conditions. As a result of divergent evolution the diversity of the studied soils was higher than expected previously.