This research has been partly funded by Heureka at SUAS.Optimal Management Decisions for Mixed Forests under Risk A STUDY ON THE OPTIMIZED MANAGEMENT OF CHINESE PINE CATERPILLAR (DENDROLIMIUS TABULAEFORMIS) OPTIONAL PLANS OF BINOMIAL SEQUENTIAL CLASSIFICATION SAMPLING FOR MANAGEMENT DECISION MAKING OF THE ENGLISH GRAIN APHID (HOMOPTERA: APHIDIDAE):VALUE OF TALLY THRESHOLDS OF APHIDS IN SAMPLE UNITS Optimization Plan and Management Decision-making for Forage and Livestock in Maqu County Progresses of ecological risk assessment Optimization strategy and management decision-making in balancing forage and livestock in Gannan pastoral area Analysis of AHP strategic decisions for the ecological risk of grazing system and management decisions in an alpine meadow at Gannan, Gansu