Isabaev B.M., Ryabinina Z.N., Yudichev E.N.
TO THE QUESTION OF THE PRESENT STATUS OF FLORA AND VEGETATION OF THE NORTHERN-EASTERN PRECASPIAN TERRITORY ^{[№ 6 ' 2011]}
The results of studies of diversity and the current state of flora and vegetation in the Northern-Eastern Precaspian territory are given in this article. The authors provide a variety of factors of human impact and vegetation characteristics of formations. The necessity of applying the ecosystem approach to assessment and conservation of biodiversity in the region is proved in this work.

Zhukov A.A., Yudichev E.N., Ryabinina Z.N.
ABOUT REGIONAL STRATEGY OF BIOVARIETY RETENTION AND RATIONAL USING OF BIOLOGICAL RESOURCES OF ORENBURG REGION ^{[№ 4 (app.1) ' 2006]}

Yudichev E.N., Ryabinina Z.N., Safonov M.A.
TO THE QUESTION OF FORMING OF LEGISLATIVE BASE OF VEGETABLE WORLD IN ORENBURG REGION ^{[№ 4 (app.1) ' 2006]}