Dynamic assessment of urban landscape ecological health in the Yellow River Basin： A case study of Jiaozuo City

doi:10.14088/j.cnki.issn0439-8114.2024.05.019

Abstract

Abstract: Taking Jiaozuo City as an example, based on PSR model and the theory of “vitality-organization-elasticity-function”, using relevant remote sensing data/socio-economic data, etc., visual indicators were selected to construct an evaluation index system, and the index weights were determined by using the integrated model of AHP and entropy weight method, and the landscape ecological health from 2000 to 2020 was evaluated. The results showed that the comprehensive index of landscape ecological health in 2000, 2010 and 2020 was 0.45, 0.53 and 0.52, respectively, showing the overall distribution of high in the north and south, low in the middle and the changing characteristics of rising first and then falling. The change of landscape ecological health was relatively stable, the area of regional improvement was larger than that of degradation, and the transformation was mainly based on adjacent grades, but mainly existed in the transformation between middle and low values, and there was a trend of transformation to adjacent regional grades. According to the research results, based on the impact of urban expansion and human activities on landscape ecological health, it was put forward reasonable suggestions on urban landscape ecological planning from the aspects of optimizing landscape pattern, improving ecological network layout, and controlling land use and development.

Key words: landscape pattern, dynamic assessment of landscape ecological health, Yellow River Basin, Jiaozuo City

CLC Number:

ZHANG Xue-ying, MU Zhan-qiang, KONG De-zheng, WANG Dong-meng, FENG Yan. Dynamic assessment of urban landscape ecological health in the Yellow River Basin： A case study of Jiaozuo City[J]. HUBEI AGRICULTURAL SCIENCES, 2024, 63(5): 106-112.

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