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Research on Comprehensive Evaluation of Soil and Water Resources Carrying Capacity and Space Differentiation Characteristics in Heilongjiang Province
Author(s): 
Pages: 60-64
Year: Issue:  4
Journal: Water Saving Irrigation

Keyword:  soil and water resourcescarrying capacityevaluation indexsequential global factor analysiscluster analysis;
Abstract: Research on the carrying capacity of soil and water resources is an important issue of land science and water resources science,which can help us to understand the structure and distribution of the use of land and water resources,rationalize the supply of water resources and land use change,and effectively promote the harmonious development of the social economy and environment.In this paper,the improved DPSIR indicator system for the carrying capacity of soil and water resources and the sequential global factor analysis method are used to comprehensively evaluate the carrying capacity of soil and water resources in Heilongjiang Province.At the same time,the evolution of the various subsystems and regional in the carrying capacity of land and water resources are deeply analyzed.The results showed:1The carrying capacity system of soil and water resources is formed by each subsystems,which makes the utilization of soil and water resources in Heilongjiang Province toward a more reasonable direction.2Since the implementation of the strategy of revitalizing the Northeast,the carrying capacity of soil and water resources has changed in various regions in Heilongjiang Province.It presents an"N"shaped trend,and can be divided into stages of evolution:growth,decline and rebound of the period.3The carrying capacity of soil and water resources has obvious spatial differentiation,which constantly increased in the western,northern and southern Heilongjiang province,but it is relatively weak in the east of Heilongjiang province;In generally,the development of the carrying capacity of soil and water resources in Heilongjiang province tends to be good and shows a rising tendency in the past few years.
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