ECOLOGICAL NETWORK OF THE KERCH PENINSULA AS THE BASIS FOR PRESERVING BIODIVERSITY OF NATURAL STEPPE BIOCENOSES Статья Shpakovich A.V., Kharlamova M.D., Mazygula E.D., GrachevV.A. Research Journal of Pharmaceutical, Biological and Chemical Sciences. Research Journal of Pharmaceutical, Biological and Chemical Sciences. Том Vol7. 2016. С. 541-546