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[1]CHEN Xiangbiao,DING Wenrong.Land Use Change and Ecosystem Service Function in Lake Basin of Central Yunnan Plateau[J].Research of Soil and Water Conservation,2022,29(03):205-212.

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Land Use Change and Ecosystem Service Function in Lake Basin of Central Yunnan Plateau

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 29 Number of periods: 2022 03 Page number: 205-212 Column: Public date: 2022-04-20

Title:: Land Use Change and Ecosystem Service Function in Lake Basin of Central Yunnan Plateau

Author(s):: CHEN Xiangbiao, DING Wenrong; (Faculty of Geography, Yunnan Normal University, Kunming 650500, China)

Keywords:: land-use change; ecosystem service value; value estimation; lake basin; Central Yunnan Plateau

CLC:: F301.2

DOI:: -

Abstract:: Exploring the dynamic changes of regional land use and ecosystem service value plays an important role in optimizing the spatial pattern of land and ecological construction and protection. Taking five plateau lake basins in central Yunnan(Dianchi Lake, Fuxian Lake, Xingyun Lake, Qilu Lake and Yangzong Lake)as research units, according to the Landsat TM/OLI remote sensing land use interpretation data in 2000, 2010 and 2020, we analyzed the land use structure and change process by using single land use dynamic attitude, comprehensive index model of land use degree and land use transfer matrix. The results show that:(1)the land use types in the lake basin of Central Yunnan Plateau were mainly farmland, forest, grassland and construction land, with the construction land area increasing continuously and the farmland area decreasing continuously, with an average annual reduction rate of 1.44%;(2)during the past 20 years, the land use in lake basin was in a rapid development stage, and the change rate of land use degree was 0.82; the net transfer-in of construction land area was far greater than the net transfer-out, resulting in a sharp decrease in farmland area;(3)during the study period, the value of ecosystem services generally showed a decreasing trend, from 22.494 billion yuan in 2000 to 20.958 billion yuan in 2020, with an average reduction rate of 5.20%; water, forests and grasslands were the main parts of the value of ecosystem services, accounting for more than 94% of the total value of ecosystem services;(4)among individual ecosystem service values, hydrological regulation contributed the most; except for the steady increase of water supply, the other ecosystem service values showed a small trend, and the loss of food production service value was the most significant, from 4.8763×10⁸ yuan in 2000 to 3.8945×10⁸ yuan in 2020. Land use changes in the study area were significant, and the total value of ecosystem services declined.

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Last Update: 2022-04-20