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Attribution of vegetation coverage change to climate change and human activities based on the geographic detectors in the Yellow River Basin, China

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Abstract

Quantitatively, analyzing the driving mechanism of vegetation coverage change is of important significance for regional ecological environment evaluation and protection. Based on time series NDVI data and meteorological data of the Yellow River Basin (Inner Mongolia Section), the trend and significance of climate factors and vegetation coverage in the YRB (IMS) and four sub-regions (the Hetao Irrigation district, the Ten Tributaries region, the Hunhe river basin, and the Dahei river basin) from 2000 to 2018 were ascertained. We used geographic detectors to quantitatively analyze the effects of detection factors on vegetation coverage change. The results indicated that the spatial pattern of vegetation variation and climate change had obvious spatial heterogeneity. During 2000–2018, the regions with vegetation improvement (72.87%) were much greater than that with degradation (26.55%) in the YRB (IMS). Annual precipitation change (4.55%) was a key driving factor to the vegetation coverage change in the YRB (IMS). Among the four sub-regions, the land use conversion type demonstrated the largest explanatory power, but the q values of the four sub-regions were different from each other. The results of the interaction showed that land use change and annual precipitation change were the major driving factors that influenced regional vegetation coverage change. This study has an important reference value for improving the basin’s ecological environment.

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Funding

This research was supported by the Major Science and Technology Projects of Inner Mongolia Autonomous Region [grant number 2020ZD0009] and the National Natural Science Foundation of China [grant number 41971232].

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XD: investigation, methodology, and writing-original draft. SH: Conceptualization, investigation, and writing-review and editing. CZ: Conceptualization, Supervision and project administration. All authors have read and agreed to the published version of the manuscript.

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Correspondence to Chesheng Zhan.

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The authors declare no competing interests.

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Deng, X., Hu, S. & Zhan, C. Attribution of vegetation coverage change to climate change and human activities based on the geographic detectors in the Yellow River Basin, China. Environ Sci Pollut Res 29, 44693–44708 (2022). https://doi.org/10.1007/s11356-022-18744-8

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  • DOI: https://doi.org/10.1007/s11356-022-18744-8

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