1. N. A. Bogdanov, Yu. S. Chuikov, and V. S. Rybkin, “Assessment of the state of land by the index of soil pollution,” Astrakh. Vestm. Ekol. Obraz., No. 1 (23), 102–112 (2013).
2. Great Encyclopedia of Oil and Gas. http://ngpedia.ru. Cited April 26, 2021 [in Russian].
3. V. I. Vernadsky, Biosphere and Noosphere (Nauka, Moscow, 2016) [in Russian].
4. B. V. Vinogradov, Principles of Landscape Ecology (GEOS, Moscow, 1989) [in Russian].
5. Temporal Procedure for Determination of Prevented Ecological Damage (Goskomekologiya Rossii, Moscow, 1999) [in Russian].