Research on sustainable development of agricultural eco-economic system in Guilin city based on the emergy analysis

doi:10.14088/j.cnki.issn0439-8114.2022.04.037

Abstract

Abstract: Based on the theory and method of emergy analysis, the emergy input-output, environmental carrying capacity and sustainable development of agricultural eco-economic system in Guilin city were analyzed and evaluated by constructing emergy analysis index system. The results showed that the total emergy input of agricultural eco-economic system fluctuated little in Guilin city from 2014 to 2019, and the auxiliary emergy input showed a downward trend after rising. In the renewable auxiliary emergy input, the labor emergy accounted for 94.46%. In emergy output, planting industry accounted for the highest proportion, followed by animal husbandry and forestry. Emergy investment rate remained at a low level; The net emergy output rate increased year by year from 2014 to 2017, and began to decrease in 2018, which remained at a high level; The environmental load rate was low, the environmental pressure was small, and the system was full of vitality and development potential.

Key words: emergy analysis, agricultural eco-economic system, sustainable development, Guilin city, environmental resources

CLC Number:

F127
X24

ZENG Qiao-yun, ZENG Xing-ji, LIAO Xue-ping, ZHOU Feng-jue, HUANG Jing-hua. Research on sustainable development of agricultural eco-economic system in Guilin city based on the emergy analysis[J]. HUBEI AGRICULTURAL SCIENCES, 2022, 61(4): 187-192.

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