Study on land ecological security in Zhangjiajie City based on ecological footprint

doi:10.14088/j.cnki.issn0439-8114.2023.08.006

Abstract

Abstract: In order to explore the ecological security and spatial pattern of various types of land in Zhangjiajie City, Hunan Province, based on the ecological footprint analysis, the land ecological footprint, ecological carrying capacity, ecological profit and loss, and ecological pressure index of Zhangjiajie City in five periods of 2000, 2005, 2010, 2015 and 2020 were calculated. Through the establishment of the land ecological security evaluation model, the grade of land ecological security in Zhangjiajie City was evaluated according to the standardized ecological pressure index. The results showed that the ecological footprint per capita of Zhangjiajie City showed an upward trend from 2000 to 2020, with a growth rate of 52.4%; the ecological carrying capacity per capita remained basically stable; the ecological deficit had increased by 1.45 times; the ecological pressure index also increased by 52.2%. The land ecological security in Zhangjiajie City fluctuated, and was generally in an unsafe state. The spatial pattern of land ecological security showed that the unsafe area overlapped with the grassland and water area, and the safe area overlapped with the forest land.

Key words: ecological footprint, ecological carrying capacity, ecological deficit, ecological pressure index, land ecological security, Zhangjiajie City

CLC Number:

F301.2
X826

HE Bi-hu, DENG Ming-rong, XIE Wen-hai, ZHU Shen-hai, HUANG Cheng-hui, ZENG Sheng, LI Ya-hui. Study on land ecological security in Zhangjiajie City based on ecological footprint[J]. HUBEI AGRICULTURAL SCIENCES, 2023, 62(8): 37-43.

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