[1]ZHONG Shaozhuo,SUN Haoyuan.Assessment on Spatiotemporal Variation and Synergies/Tradeoffs Relationships of Ecosystem Services in Qilian Mountain National Nature Reserve Under Different Scenarios[J].Research of Soil and Water Conservation,2023,30(05):358-369.[doi:10.13869/j.cnki.rswc.2023.05.032.]
Copy
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
30
Number of periods:
2023 05
Page number:
358-369
Column:
Public date:
2023-08-10
- Title:
-
Assessment on Spatiotemporal Variation and Synergies/Tradeoffs Relationships of Ecosystem Services in Qilian Mountain National Nature Reserve Under Different Scenarios
- Author(s):
-
ZHONG Shaozhuo1, SUN Haoyuan2
-
(1.School of Economics, Southwestern University of Finance and Economics, Chengdu 611130, China; 2.West Institute for Economic Research, Southwestern University of Finance and Economics, Chengdu 611130, China)
-
- Keywords:
-
Qilian Mountain National Nature Reserve; ecosystem services; synergies and tradeoffs; scenario simulation
- CLC:
-
X826
- DOI:
-
10.13869/j.cnki.rswc.2023.05.032.
- Abstract:
-
[Objective] The aims of this study are to analyze the spatiotemporal characteristics of ecosystem services in Qilian Mountain National Nature Reserve, and explore synergies and tradeoffs between ecosystem services, thus providing scientific support for future management. [Methods] Based on historical data and scenarios of Logistic-CA-Markov approach, InVEST model was employed to evaluate four ecosystem services, i. e. water yield, carbon storage, habitat quality and soil conservation, in Qilian Mountain National Nature Reserve from 2000 to 2050, and then synergies and tradeoffs between ecosystem services were analyzed by spearman correlation analysis and spatial autocorrelation analysis. [Results] Grassland was the main land type in the study area. From 2000 to 2020, the areas of grassland, cultivated land and construction land increased, while the area of forest land decreased. In 2050, the natural-based scenario will continue such a trend, but the ecological protection scenario will show an inverse change. From 2000 to 2020, carbon storage and habitat quality increased, while water yield and soil conservation decreased obviously. The high values of four ecosystem services almost appeared in the south and the low ones in the north. Compared with 2020, the values of all ecosystem services will increase in 2050, especially in the ecological protection scenario. Ecosystem services were generally synergetic, while their local trade-offs/synergies relationship expressed significant spatial heterogeneity. Particularly, the strongest synergistic effects occurred between carbon storage and water yield. [Conclusion] Meaningful spatial-temporal heterogeneity between ecosystem services in Qilian Mountain National Nature Reserve is discovered, which will need partition management in the future.