TY JOUR TI Accumulation Characteristics of Bryophytes in Abandoned Disturbed Peatlands: A Case Study From the Kaliningrad Region, Russia KW element accumulation; bryophyte; drained peatlands; X-ray fluorescence analysis; biomonitoring; Sphagnum; Kaliningrad region JO Russian Journal of Earth Sciences AU Baymuratov, R.A. AU Napreenko, M.G. AU Koroleva, Y.V. PY 2023 IS 23 PB Geophysical Center of the Russian Academy of Sciences