Due to the susceptibility to ecological dynamic evolution characteristics during the land reclamation process in abandoned open-pit coal mining areas,the feasibility assessment results of land reclamation are not accurate.To this end,a feature fusion based feasibility assessment algorithm for land reclamation in abandoned open-pit coal min-ing areas was proposed.The probability integral method is used to evaluate the degree of land damage,analyze the dy-namic evolution process of land in the waste gas open-pit coal mine area,and integrate the characteristics of heavy metal pollution,land unit subsidence and horizontal movement,and surface subsidence.Introduce the principle of immune cloning model,construct a target fitness function,and clone an antibody library based on the affinity of im-mune cells and antigens.Based on the results of the cloning operation,evaluate the feasibility of land reclamation in the waste gas open-pit coal mine area,and evaluate the degree of heavy metal pollution in sediment using the land ac-cumulation index method.Based on the actual situation of the mining area,combined with principal component analy-sis method,evaluate the feasibility of agricultural,forestry,animal husbandry,and fishery reclamation.From the ex-perimental results,it can be seen that the different types of land reclamation spaces planned by this algorithm are con-sistent with the ideal results,indicating that the evaluation results of this method are accurate.
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