Abstract
At present, Gongga Mountain forest ecosystem is facing the impacts of external pollution and human factors, and the development of Gongga Mountain forest ecosystem in the future is bound to be affected. System dynamics is a discipline which can solve the highly non-linear, high-order, multi-variable, multi-feedback, complex and time-varying large-scale system problems of society, economy, ecology and biology, requiring low data accuracy. Therefore, in this paper, firstly, a simulation of Gongga Mountain forest ecosystem was carried out using the system dynamics, and the validity of model was tested; secondly, according to the simulation results, it was pointed out that the total quantity of plants in Gongga Mountain forest ecosystem declined constantly, but the quantity of shrubs increased, and grassland area decreased constantly, so Gongga Mountain forest ecosystem was facing a rapid degradation trend; finally, suggestions were put forward for the protection and improvement of Gongga Mountain forest ecosystem according to the analysis results.
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