Study on landscape ecological evaluation based on geographic conditions monitoring datasets
This paper takes the Yellow River Delta National Nature Reserve as the research object,ap-plies landscape ecology theory,proposes a method for dividing human interference intensity based on the geographic conditions monitoring data,and it constructs a landscape ecological evaluation index system by selecting appropriate indicators.This paper uses a 500 m×500 m grid as the evaluation unit,it adopts entropy weight method to determine the weight of individual indicators and obtains the land-scape ecological security index(LESI)based on the six periods of geographic conditions monitoring data from 2015 to 2020.Then it analyzes and evaluates the landscape ecological conditions in the pro-tected area from spatial and temporal dimensions.The results show that the landscape ecological condi-tions in the Yellow River Delta National Nature Reserve have been gradually improved from 2015 to 2020,especially in 2020,both the LESI and overall spatial distribution in the study area are showing a better trend.
landscape ecological evaluationgeographic conditions monitoringhuman interference intensitygrid evaluation unit
万方数据
维普
