HUBEI AGRICULTURAL SCIENCES ›› 2020, Vol. 59 ›› Issue (7): 99-108.doi: 10.14088/j.cnki.issn0439-8114.2020.07.021

• Resource & Environment • Previous Articles     Next Articles

Spatial-temporal distribution and variation tendency on static and dynamic agricultural ecosystem services value based on the clustering analysis in Gansu province

LIU Yang1,2,3, ZHANG Wei2,3, ZHANG Gao-sen2,3, ZHANG Bing-lin2,3, JIANG You-jin1,4, ZHANG Song-lin1   

  1. 1. College of Geography and Environmental Sciences, Northwest Normal University, Lanzhou 730070, China;
    2. Key Laboratory of Extreme Environmental Microbial Resources and Engineering, Lanzhou 730000, China;
    3. Key Laboratory of Desert and Desertification, Northwest Institute of Eco-Environment and Resources (NIEER), Chinese Academy of Sciences, Lanzhou 730000, China;
    4. State Key Laboratory of Soil and Sustainable Agriculture/Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
  • Received:2020-01-02 Published:2020-06-28

Abstract: The composition of agricultural ecological services static value and different types of ecological service functions static value in Gansu province from 2008 to 2017 was estimated by the ecological service function value equivalent factor method. In consideration of the spatial dynamics character of agricultural ecological services, the dynamic value composition of various ecological services was estimated by the weight ratio assignment of different service functions based on clustering and stratification and priority index. And the temporal-spatial distribution of the dynamic value of agro-ecological services in Gansu province was studied. The results showed that the dynamic value of agricultural ecological service functions in Gansu province increased by years from 2008 to 2017. Different dynamic value contributions varied greatly. Grain conservation and other service functions had less correlation with the dynamic value. Total static value of agricultural ecological services in Gansu province from 2008 to 2017 reached 2 187.34 billion yuan. The total dynamic value was 18 34.58 billion yuan. Compared with static value, the value of each dynamic function reduced. The results of variation trend of dynamic value predicted with hots-colds pots found that changes in the agro-ecological environment in Gansu province were instability. The composition of service functions was unbalanced, as well as the elasticity was poor and restorative force was weak. To sum up, Gansu province is in urgent need of the construction of agricultural ecological service functions vigorously developing agricultural economy, actively constructing ecological agriculture, in order to maintain the balance of agricultural ecology, promote the sustainable development of agricultural ecosystems, and increase the value of agricultural ecosystem services.

Key words: value of agricultural ecosystem services, static state, dynamic state, ecological balance, Gansu province

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