[1]CHEN Xiangbiao,DING Wenrong.Spatial-temporal Evolution and Trade-off Synergy Relationships of Ecosystem Services in Karst Area of Shilin[J].Research of Soil and Water Conservation,2023,30(02):285-293.[doi:10.13869/j.cnki.rswc.2023.02.043]
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Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
30
Number of periods:
2023 02
Page number:
285-293
Column:
Public date:
2023-03-10
- Title:
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Spatial-temporal Evolution and Trade-off Synergy Relationships of Ecosystem Services in Karst Area of Shilin
- Author(s):
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CHEN Xiangbiao, DING Wenrong
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(Faculty of Geography, Yunnan Normal University, Kunming 650500, China)
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- Keywords:
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ecosystem services; temporal and spatial evolution; trade-off and synergy; spatial autocorrelation; Shilin karst areas
- CLC:
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X171
- DOI:
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10.13869/j.cnki.rswc.2023.02.043
- Abstract:
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The karst area is one of the most fragile natural ecosystems on the earth. To clarify the temporal and spatial changes of ecosystem services and the trade-offs synergy is of great significance to the decision-making of ecological governance in this area and the improvement of people's livelihood and well-being. Based on the equivalent factor method, correlation coefficient and spatial autocorrelation, the spatial and temporal evolution of stone forest ecosystem services from 2000 to 2020 and the trade-off synergy relationship were quantitatively analyzed. The results showed that:(1)the value of ecosystem services continued to increase from 2.047 billion in 2000 to 2.182 billion in 2020, with an increase rate of 6.60%; the spatial distribution pattern of ecosystem services was relatively stable; the high-grade areas mainly distributed in water areas and hilly and mountainous areas with high vegetation coverage, and the low-grade areas concentrated in areas with relatively concentrated construction land and serious karst rocky desertification;(2)the ecosystem service value sensitivity index of each land use type was less than 1, indicating that the stone forest ecosystem service value was inelastic to the revised ecological service value coefficient, and the research results were credible;(3)during the study period, the synergy relationship was the dominant relationship between stone forest ecosystem services, with a synergy rate of 68.60%; the trade-off relationship mainly existed in the relationships between food production, maintenance of nutrient circulation and other subsystems, with a trade-off rate of 29.75%;(4)quantitatively, the four types of ecosystem services all had significant spatial positive autocorrelation, and spatially, the trade-offs and synergy between different ecosystem service pairs were significantly heterogeneous. These research results can provide a reference for Shilin to optimize the spatial pattern of the land and provide a reference for ecological protection and restoration.