Ecosystem health assessment of Taiyuan City based on landscape pattern analysis

doi:10.14088/j.cnki.issn0439-8114.2025.03.011

Abstract

Abstract: Based on the land use data of Taiyuan City, Shanxi Province from 2000 to 2020, the Fragstats software was used to calculate the landscape pattern index and analyze the change of landscape pattern. The “pressure-state-response” (PSR) model and entropy weight method were used to evaluate the ecosystem health status of Taiyuan City. The results showed that cultivated land, grassland and forest land were the dominant landscape types in Taiyuan City, and their areas accounted for a large proportion. The construction land area expanded year by year, and the increase was large. The area of water and other land types was small, and the connectivity was poor. The overall landscape showed a trend of homogeneity and diversification, and the fragmentation of the landscape was deepened. The overall ecosystem health of Taiyuan City showed the distribution pattern of good in the north and south region, and bad in the central region. The comprehensive index of ecosystem health in Taiyuan City showed a downward trend from 2000 to 2015, and reached the lowest value in 2015. The comprehensive index of ecosystem health increased from 2015 to 2020. The indicators of urbanization, population density and human disturbance were significantly correlated with ecosystem health in Taiyuan City（P<0.01）.

Key words: landscape pattern, PSR model, ecosystem health, land use, Taiyuan City

CLC Number:

X826

HU Ya-ping, WANG Chun-ling, CHEN Xiao-ping, ZHEN Zhi-lei. Ecosystem health assessment of Taiyuan City based on landscape pattern analysis[J]. HUBEI AGRICULTURAL SCIENCES, 2025, 64(3): 66-73.

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