Heavy metal content in the forest-steppe zone of the Southern UralsSergey Smolentsev, Alexander Volkov, Kirill Danilov, Natalya Shvetsova, Anastasia Korotkova, Irina Matveeva, Svetlana Gryn, Yuri Fedorov and Roman MelnikBIO Web Conf., 173 (2025) 03005DOI: https://doi.org/10.1051/bioconf/202517303005