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[1]CHENG Jing,CHEN Hongxiang,HAN Yonggui.Evaluation of Coordination Degree of Eco-economic System in Three-River Source Region and Its Spatio-temporal Evolution Characteristics[J].Research of Soil and Water Conservation,2022,29(06):336-343.

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Evaluation of Coordination Degree of Eco-economic System in Three-River Source Region and Its Spatio-temporal Evolution Characteristics

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 29 Number of periods: 2022 06 Page number: 336-343 Column: Public date: 2022-10-20

Title:: Evaluation of Coordination Degree of Eco-economic System in Three-River Source Region and Its Spatio-temporal Evolution Characteristics

Author(s):: CHENG Jing, CHEN Hongxiang, HAN Yonggui; (School of Politics and History, Ningxia Normal University, Guyuan, Ningxia 756000, China)

Keywords:: ecological economic system; coordination index; ecosystem service value; Three River Source Region

CLC:: F062.6

DOI:: -

Abstract:: In order to explore the degree of coordinated development of the eco-economic system in the Sanjiangyuan Area, based on the 4th remote sensing data of the study area from 1990 to 2018, the revised ecosystem service equivalent factor per unit area was used to combine the ecological and economic coordination degree model to analyse the Sanjiangyuan Area comprehensive evaluation of ESV and the level of coordination between economic development and ecological environment. The results showed that: from 1990 to 2018, the cultivated land, grassland, water area and construction land in the Three Rivers Source Region showed an increasing trend, increasing by 16.22%, 7.50%, 8.67% and 130.85% respectively. Unused land and forest land showed a fluctuating and decreasing trend, of which unused land declined. The largest range is 24.57%. During the study period, the ESV in the Three Rivers Source area showed a trend of first decreasing and then increasing, and the increase or decrease of grassland ESV was the main reason for the ESV changes in the study area; ESV showed a spatial distribution pattern of high in northwest and low in southeast, Gande and Jiuzhi units the area ESV showed a downward trend, while the remaining counties showed an increasing trend. The ecological and economic coordination index of the Three Rivers Source area were 0.011 7, and the ecological economic development was generally in a low degree of coordination. From the perspective of the spatial distribution pattern, the areas with ecological and economic disorders include Yushu, Jiuzhi and Gande, with the three places all having low-level disorders. The remaining areas are in a state of coordination and belong to low-level coordination areas. On the whole, the ecological and economic development of the study area has a low degree of coordination. The rational development and effective use of regional water and soil resources is the key to achieving the maintenance of ecosystem service functions, development and sustainable economic development and coordinated development in the Three-River Source area.

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Last Update: 2022-10-20