Influence of man-made edaphotopes of the spoil heap on biota Vasyl Popovych, Oleksandr Kuzmenko, Andrii Voloshchyshyn and Mykhailo Petlovanyi E3S Web Conf., 60 (2018) 00010 Published online: 16 October 2018 DOI: 10.1051/e3sconf/20186000010