better study the trend of the impact of other activities on FVC, and to derive their changes in FVC from 2000 to 2021, respectively: K O , K A , K P , i.e., the three slopes of FVC under the effect of other factors, actual FVC and FVC under climate change, and if K < 0, it indicates that FVC shows a decreasing trend in the study period, and vice versa.
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Analysis of the multiple drivers of vegetation cover evolution in the Taihangshan-Yanshan region.
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The sentences
If K < 0, it indicates that FVC shows a decreasing trend during the study period, and vice versa, it shows an increasing trend. the absolute value of K reflects the degree of change, the larger the absolute value, the stronger the change, and vice versa, the smaller the change.
This was particularly evident in the western Yanshan Mountains and the central and western Taihang Mountains, where the increase was highly significant.