[Coupling situation of agriculture-ecology-economic system in Zhifanggou watershed of Loess hilly and gully region].
Based on the investigations in the Zhifanggou Watershed of Loess hilly and gully region from 1938 to 2007, and the establishment of eco-environmental and socio-economic comprehensive evaluation indices and coupling model, this paper analyzed the coupling situation of the agriculture-ecology-economic system in the watershed. During the study period, the agriculture-ecology-economic system in the watershed had gone through the coupling processes of economic system vs. ecosystem initial regenesis-consumption-promotion-coordination, and of ecosystem vs. economic system primary response-lag behind-recovery-coordination. According to the coupling degree fitting curves and the coupling type classification, the current agriculture-ecology-economic system in the watershed was still in the situation of coupling, and would be well coordinated.
Liu
Jia
J
Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling 712100, Shaanxi, China. lj198214@163.com
Wang
Ji-Jun
JJ
D000383:Agriculture / Q000191:economics*; D002681:China; D003247:Conservation of Natural Resources / Q000191:economics*; D004463:Ecology / Q000191:economics*; D017753:Ecosystem; D008962:Models, Theoretical; D045483:Rivers