Method of Determining River Basin Ecological Risk with Spatial Aggregation Level and Regional Imbalance Level

Abstract: a method of determining ecological risk with spatial aggregation and regional imbalance level applicable for use in a river basin which involves geographic information, ecology, environmental engineering and computer technology includes the steps of: dividing a river basin into a plurality of fishnets; obtaining a basin landscape disturbance index and a basin landscape vulnerability index; obtaining a basin ecological risk index based on the basin landscape disturbance index and the basin landscape vulnerability index; and determining and evaluating the basin ecological risk in spatial aggregation and the regional imbalance with reference to a spatial autocorrelation value and a basin ecological risk imbalance value obtained by using the basin ecological risk index. the ecological risk in spatial aggregation and the regional imbalance is output and evaluate so that the ecological risk in river basin can be assessed comprehensively with high evaluation accuracy.

Inventor(s): Yu TIAN, Lipin LI, Weijia LI, Yedong GAO, Wei ZHAN, Nanqi REN

CPC Classification: G01N33/24 (Earth materials ( takes precedence))

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