1. Department of Physical Geography, Ecology, and Nature Protection, Institute of Earth Sciences, Southern Federal University, Zorge Street 40, Rostov-on-Don 344090, Russia
2. Department of Organization and Technologies of Service Activities, Higher School of Business, Southern Federal University, 23-ja Linija Street 43, Rostov-on-Don 344019, Russia
3. Department of Biotechnologies of Food Production, Faculty of Technological Entrepreneurship, Kuzbass State Agricultural University, Markovtseva Street 5, Kemerovo 650056, Russia