Year: 2003, Issue: XLIX, Pages: 131 - 171
The main results of studying of mass fir-spruce forest decline in the Russian Far East arc critically observed. It was concluded that forest decline takes place under the influence of complex of factors that can be divided into causing, predisposing and accompanying. Mass dark-coniferous forest decline in the most cases is developed in the result of stress situations due to atmospheric drought against the high age of stands, which are affected by rots and diseases often in the specific soil hydrological conditions. Conclusions on fir-spruce forests management were made.