Table 2 Theil-Sen trend analysis and Mann–Kendall trend test Classification Criteria.

From: Revealing climatic and groundwater impacts on the spatiotemporal variations in vegetation coverage in marine sedimentary basins of the North China Plain, China

Parameter

\(\left|{\varvec{Z}}\right|<1.96\)

\(\left|{\varvec{Z}}\right|>1.96\)

\(\beta >0.001\)

Significant improvement

Slight improvement

\(-0.001<\beta <0.001\)

Basic stability

Basic stability

\(\beta <-0.001\)

Significant degradation

Slight degradation

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