Mathematical modeling of environmental management in urban natural-production systems Stanislav Rodionov, Nadezhda Michurina, Lyudmila Mosina, Varvara Gvozd, Darya Vasilieva, Yuri Kholopov, Aleksey Losev and Anna Suvorova EPJ Web Conf., 318 (2025) 02007 Published online: 17 February 2025 DOI: 10.1051/epjconf/202531802007