A dynamic assessment was made on the eco-efficiency toss caused by forestric harmful plants. Based on the growth rule of harmful plants, the damage assessment model of eeo-efficiency and the comprehensive assessment model were set up. Using dynamic assessment, the loss which made by harmful plants could be evaluated actually, based on the model and utilizing MATLAB simulation, the total loss of eco-effieiency which caused by harmful plants in Baiyun Mountain beauty spot since 15 years ago was worked out, the data was 1 632.7 thousand yuan, this data was about...
