RESPONSE OF THE LANDSCAPE TO FRAGMENTATION DUE TO HUMAN DISTURBANCE IN A MOUNTAIN CITY: EVIDENCE FROM GUIYANG IN SOUTHWEST CHINA

IF 0.6 4区环境科学与生态学 Q4 ECOLOGY

Applied Ecology and Environmental Research Pub Date : 2023-01-01 DOI:10.15666/aeer/2104_31093122

H. Han, Y. Wei, Y. Liu, Y. Zhang, J. Wang, T. Luo, Y. Zhang

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Abstract

. Under the interference of a series of strong human activities, such as the rapid expansion of built-up land and massive infrastructure construction, the issue of landscape fragmentation in mountain cities has become highlighted. Therefore, the city of Guiyang in southwestern China is selected as a representative of a typical mountain city in this study. Multiple landscape fragmentation indices and the human disturbance index (HDI) are used to analyze the response of the landscape to human disturbances in a mountain city. The results reveal that the gradient zone with a relatively flat topography is a significant region for the substantial changes of the HDI and landscape fragmentation indices. The changes of the HDI and landscape fragmentation indices are found to be similar in the gradient zone of the slope, topographic relief, and topographic position index, but different in each gradient zone of the elevation. Positive correlations are found between the HDI and the landscape fragmentation indices except largest patch index (LPI) in most terrain gradient zones. The research results can be used as important indicators of ecosystem monitoring in mountain cities and provide a scientific basis for the

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山城景观破碎化对人为干扰的响应——以贵阳为例

．在一系列强烈的人类活动的干扰下，如建设用地的快速扩张和大规模的基础设施建设，山城景观破碎化问题日益突出。因此，本研究选择中国西南部的贵阳市作为典型山城的代表。利用多种景观破碎化指数和人为干扰指数(HDI)分析了某山城景观对人为干扰的响应。结果表明，地形相对平坦的梯度带是HDI和景观破碎化指数变化较大的重要区域。在坡度梯度带、地形起伏度和地形位置指数中，HDI和景观破碎化指数的变化具有相似性，但在高程各梯度带中存在差异。除最大斑块指数(LPI)外，大部分地形梯度带HDI与景观破碎化指数均呈显著正相关。研究结果可作为山区城市生态系统监测的重要指标，为山区城市生态系统建设提供科学依据

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来源期刊

Applied Ecology and Environmental Research ECOLOGY-ENVIRONMENTAL SCIENCES

CiteScore

1.40

自引率

14.30%

发文量

104

审稿时长

14 months

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