nature plays a central role in human life. For mankind, nature is the primary source of life and existence on earth. For a long time people looked upon "nature" as an unlimited resource for all their material goods. But later people faced big problems, because of its negative impact on the flora and fauna. And came to the conclusion that it was necessary to decide on the rational use of nature, both as a whole and its individual components. The issue of nature preservation has been gaining mo...