1. Department of Applied Ecology, Saint Petersburg State University, Saint Petersburg, Russia; Department of Environmental Protection and Prudent Exploitation of Natural Resources, Ufa State Petroleum Technological University, Ufa, Russia
2. Department of Applied Ecology, Saint Petersburg State University, Saint Petersburg, Russia
3. Belarusian State University, Minsk, Belarus
4. Department of Geodesy, Cartography and Geographic Information Systems, Bashkir State University, Ufa, Russia