Research Progress on Dynamic Assessment of Cultivated Land Ecological Security in Major Grain Producing Areas
Cultivated land ecological security evaluation based on multiple dimensions,especially dynamic evaluation,has become a hot and difficult research topic in recent years.The research focused on the dynamic evaluation of cultivated land ecological security in major grain producing areas,established a preliminary index system,applied a variety of evaluation models,accurately simulated the changing trend of the ecosystem,and put forward dynamic evaluation methods of cultivated land ecological security in different regions and ecosystem types,the development of decision support system,and the improvement of data collection and processing technology.
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