[Table 5]
The ecosystem vigor varied remarkably on both sides of the Hu Line, of
which the west was weaker (Fig 6a). The regions with higher vigor were
mainly distributed in the three northeastern provinces, eastern Henan
Province, western Hubei and Hunan Provinces, western Fujian, northern
and western Guangxi and northwestern Guangdong Province (Fig 6a).
Moreover, the values of vigor increased over time, with Yunnan and
Sichuan provinces showing significant performance (Fig S6). However,
areas with higher ecosystem organization values were mainly located in
west of the Hu Line, while the eastern coastal cities exhibited weaker
ecosystem organization levels (Fig 6b, Fig S7). Meanwhile, organization
did not change distinctly over time (Fig S8). Some cities behaved high
ecosystem resilience values above 0.82, mainly in provinces located in
the northeast and south of the study area, such as Heilongjiang,
Liaoning, Zhejiang, Fujian, Guangxi, and Guangdong, etc. However, cities
in the center and west presented weaker ecosystem resilience (Fig 6c).
In addition, the spatial distribution of EHI was similar to vigor (Fig
6a, 6d). According to Fig 6d, ecosystem health values were higher in
southern and northeastern China, followed by the central region, and
lower in the western region.