The natural background disturbance in the Soviet Far East

The natural system development of the Soviet Far East dates back to the paleolith. It accelerated more and more, and strong anthropogenic pressure is now evident. The main parts of the ecosystems appear to have changed as a result. The authors have elaborated specific methods of ecosystem disturbance assessment. Measurement of a natural scale was adopted; this scale is based on the period necessary to the changed landscape restoration until climax. Assessments for the Amur, Kamchatka, Khabarovsk, Magadan, Prymorie, and Sakhalin regions have been made