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...International forum on energy environment and sustainable development ifeesd strategies of ecological restoration based the processes degradation a b c mei rong tian ji xi gao zhao ping yang nanjing institute environmental science ministry protection china jiangsu key laboratory atmospheric monitoring pollution control school engineering university information technology tianmeirong com gaojx qq words process abstract have been aggravated under background global climate change increasing social economic it is important to ascertain mechanism which considered prerequisite choosing effective measures this paper further discussed clarified in terms retrogressive succession aviation from natural state impairing ecosystem according differences speed tendency was classified into four categories including mutation jump gradient pulse characteristics were then analyzed followed by analysis put forward that different methods rehabilitation recovery or comprehensive should be applied respectivel...