TY JOUR TI CARBON STOCKS IN SOILS AND STAND BIOMASS OF YOUNG AND MID-AGED FORESTS OF TATARSTAN KW soil KW forest stand KW carbon reserves KW forest ecosystems KW components of biogeocenosis JO Scientific Notes of V.I. Vernadsky Crimean Federal University. Biology. Chemistry AU Kulagina, V.I. AU Aleksandrova, A.B. AU Ryazanov, S.S. AU Shagidullin, R.R. AU Gordeeva, K.A. AU Sungatullina, L.M. AU Rupova, E.H. PY 2025 IS 11 PB V.I. Vernadsky Crimean Federal University