Research on the Impact of Drought Environment on Plant Community Diversity Based on Differential Equation Models

Abstract

Plants play a crucial role in the influence of ecological environment. In order to predict the changes of plant communities in dry weather, this paper firstly collected monitoring data from a sample of grassland ecological stations from the China Biological Research Network (CERN), and constructed a linear model for the changes of plant communities under different climatic conditions, and since the linear correlation of this model was not strong, this paper then constructed a new non-linear correlation model. Firstly, the interspecific competition model of vegetation community was constructed from the interspecific competition model, and then the functional relationship between drought rate and plant growth rate was obtained using the logistic function, and the multi-species competition model was improved. Finally, data from ecological stations were used to visualise vegetation competition and development.