[1]YAN Lingling,GAO Bingli,XU Caixian,et al.Spatial and Temporal Variability of Social-ecological System Vulnerability and Its Influencing Factors in a Loess Hilly Region-A Case Study of Anding District of Dingxi[J].Research of Soil and Water Conservation,2020,27(05):373-380,388.
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Spatial and Temporal Variability of Social-ecological System Vulnerability and Its Influencing Factors in a Loess Hilly Region-A Case Study of Anding District of Dingxi
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
27
Number of periods:
2020 05
Page number:
373-380,388
Column:
目次
Public date:
2020-08-20
- Title:
- Spatial and Temporal Variability of Social-ecological System Vulnerability and Its Influencing Factors in a Loess Hilly Region-A Case Study of Anding District of Dingxi
- Keywords:
- social-ecological system; vulnerability assessment; spatial and temporal variability; influencing factors; Anding District; loess hilly areas.
- CLC:
- X826
- DOI:
- -
- Abstract:
- Vulnerability assessment has become a hotspot in global environmental change and sustainable development research. Taking Anding District as an example, we built a vulnerability assessment system of social-ecological system analyzed the spatiotemporal changes of the exposure, sensitivity, adaptability and vulnerability from 1995 to 2015, and put forward some countermeasures and suggestions based on the analysis of the main factors which impact on vulnerability. The results show that: during the period 1995—2015, the levels of exposure, sensitivity and vulnerability of the social-ecological system in Anding decreased first and then increased; the exposure degree decreased from southwest to northeast; the spatial distribution of adaptability was consistent with that of exposure, while the spatial variation of vulnerability was opposite to that of adaptability; there was no obvious spatial change of sensitivity. The main influencing factors of social-ecological system vulnerability in the study area were exposure and adaptation. The effective irrigation area(26.77%), forest ratio(10.23%), per capita food production(9.11%), and fertilizer application rate(8.27%)are the main factors which impact the vulnerability of Anding. The livestock carrying capacity per unit area, economic growth rate, and proportion of population educated in high school and above greatly influenced the vulnerability of Anding. Scientific master plan and adaptable measures to the local conditions should be carried out to develop high-efficiency dry farming and ecological agriculture, and to reduce the exposure of social-ecological system. At the same time, strengthening ecological construction, planting trees and grass, and developing stock farming appropriately are the useful ways to improve the adaptability of social-ecological system for regional sustainable development of loess hilly areas.
- References:
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Last Update:
2020-08-25