Resources Science ›› 2019, Vol. 41 ›› Issue (11): 1959-1971.doi: 10.18402/resci.2019.11.01

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Regional convergence of cultivated land multifunctions in China

XIANG Jingwei1, LIAO Xiaoli1, SONG Xiaoqing2, XIONG Jinhui3, MA Weirui1, HUANG Jingmeng4   

  1. 1. School of Public Administration, China University of Geosciences, Wuhan 430074, China
    2. School of Geography and Information Engineering, China University of Geosciences, Wuhan 430074, China
    3. School of Public Affairs, Zhejiang University, Hangzhou 310058, China
    4. Hubei Geological Survey, Wuhan 430034, China
  • Received:2019-02-27 Revised:2019-06-17 Online:2019-11-25 Published:2019-12-03

Abstract:

The coordinated development of regional cultivated land multifunctions is of great practical significance for the sustained economic growth, social harmony, and stability of the country. In this study, by constructing a multifunction evaluation index system of cultivated land, we tested the cultivated land functions of basic living guarantee, contribution to the agricultural economy, and ecological security maintenance in China and the east, central, west, and northeast regions from 2000 to 2015 by using σ, β convergence methods. The main influencing factors are expounded and several suggestions are put forward. The results show that: (1) The spatial heterogeneity and fluctuation of cultivated land in different regions of China were significant, and there is no σ convergence feature of the three major functions of cultivated land and the four regions; the gap of multifunction level of cultivated land among the provinces showed a certain expanding tendency. (2) Except for the agricultural economic contribution function of cultivated land in the eastern region, the multifunctions of cultivated land in the whole country and each region have the characteristic of absolute β convergence, which indicates that under the assumption of the other conditions being the same, the multifunctions of cultivated land in different regions show the characteristic of convergence. (3) After adding the control variables of forest coverage, land-use intensity, and road density, the multifunctions of cultivated land in various regions of China show the characteristic of conditional β convergence mostly, which shows that the overall ecological situation, the degree of human interference, and the status of regional development can drive the multifunctions of cultivated land in different regions to converge to their steady status. (4) Different variables have different effects on multifunctional convergence of cultivated land in different regions, so it is necessary to carry out targeted control strategy according to the actual situation of different regions. According to the research conclusion and the actual development situation, the article puts forward the policy recommendations of focusing on the effective utilization of cultivated land and the coordinated development of the society and economy in China and its eastern, central, western, and northeastern regions, respectively. The research results can provide some scientific reference for the sustainable use of cultivated land, and coordinated and healthy development of the society and economy.

Key words: cultivated land multifunctions, spatiotemporal pattern, regional difference, convergence mechanism, σ convergence, β convergence, China