Čučulović, Ana Stanojković, Jelena Čučulović, Rodoljub Radaković, N. Nestorović, S. Veselinović, Dragan eng ABSTRACT In June 2019, 18 soil samples and 20 moss samples were collected from 3 regions on the territory of National Park Đerdap. The radionuclide content (Bq/kg) in soil (moss) was: 137Cs 3.5-496 (5.5-908), 40K 36.4-918 (136-493), 226Ra 7.8-45.0 (4.2-34.1), and 232Th 8.2-59.5 (1.7-22.2). The external gamma dose rate (nGy/h) in 2019 on the territory of NP Đerdap is in the range from 22.4 to 93.6, average value 50.0. Values of the external gamma dose were in the range of the expected values and close to the average values in the world. The mean value of annual effective dose (10-5 Sv) in the NP Đerdap is 6.12×10-5 and is lower then the mean value on the world level of 7.00×10-5 Sv. Identifikator monografske publikacije: ISBN 978-86-82475-40-8 https://phaidrabg.bg.ac.rs/o:25234 info:eu-repo/semantics/article http://creativecommons.org/licenses/by/4.0/legalcode Society of Physical Chemists of Serbia application/pdf 1492271 bytes Radioactivity in soil and mosses from NP DJERDAP in 2019 2021 Physical chemistry II radionuclides, ionization radiation, environment, the Chernobyl nuclear power plant, NP Djerdap, soil, moss, gamma radiation dose