首页|Spatiotemporal Characteristics of Typical Ecosystem Services and Their Spatial Responses to Driving Factors in Ecologically Fragile Areas in Upper Yellow River,China

Spatiotemporal Characteristics of Typical Ecosystem Services and Their Spatial Responses to Driving Factors in Ecologically Fragile Areas in Upper Yellow River,China

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The identification of dominant driving factors for different ecosystem services(ESs)is crucial for ecological conservation and sustainable development.However,the spatial heterogeneity of the dominant driving factors affecting various ESs has not been ad-equately elucidated,particularly in ecologically fragile regions.This study employed the integrated valuation of ESs and trade-offs(In-VEST)model to evaluate four ESs,namely,water yield(WY),soil conservation(SC),habitat quality(HQ),and carbon storage(CS),and then to identify the dominant driving factors of spatiotemporal differentiation of ES and further to characterize the spatial heterogen-eity characteristics of the dominant driving factors in the eco-fragile areas of the upper Yellow River,China from 2000 to 2020.The res-ults demonstrated that WY exhibited northeast-high and northwest-low patterns in the upper Yellow River region,while high values of SC and CS were distributed in central forested areas and a high value of HQ was distributed in vast grassland areas.The CS,WY,and SC exhibited decreasing trends over time.The most critical factors affecting WY,SC,HQ,and CS were the actual evapotranspiration,precipitation,slope,and normalized difference vegetation index,respectively.In addition,the effects of different factors on various ESs exhibited spatial heterogeneity.These results could provide spatial decision support for eco-protection and rehabilitation in ecologically fragile areas.

integrated valuation of ecosystem services and trade-offs(InVEST)modelgeographically weighted regression(GWR)nat-ural factorspatial heterogeneityLanxi urban agglomeration,upper Yellow River,China

LIANG Gui、FANG Fengman、LIN Yuesheng、ZHANG Zhiming

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School of Geography and Tourism,Anhui Normal University,Wuhu 241003,China

Key Laboratory of Earth Surface Processes and Regional Response in the Yangtze Huaihe River Basin,Anhui Normal University,Wuhu 241003,China

National Natural Science Foundation of ChinaNational Natural Science Foundation of China

4197740241977194

2024

10.1007/s11769-024-1445-6

中国地理科学(英文版)
中国科学院长春地理研究所

中国地理科学(英文版)

CSTPCD
影响因子：0.754
ISSN：1002-0063
年,卷(期)：2024.34(4)
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