TY JOUR TI The Content of Chlorophyll 𝑎 and Its Relation to Biogenic Elements of the Pelagic Zone of Lake Baikal KW Chlorophyll 𝑎 KW Lake Baikal KW biogenic elements KW pelagic KW vertical dynamics JO Russian Journal of Earth Sciences AU Sakirko, M.V. AU Blinov, V.V. AU Makarov, M.M. AU Vorobyova, S.S. AU Fedotov, A.P. AU Domysheva, V.M. PY 2026 IS 26 PB Geophysical Center of the Russian Academy of Sciences