Table 3 Results of the meta-regression model

Variables Coefficient t-value
(Constant) 11.457*** 26.586
Regulation services 2.356*** 8.550
Supporting services 1.401** 2.497
Cultural services 2.170*** 6.030
Urban green space −4.012*** −7.640
Forests −3.017*** −6.714
Others −4.616*** −7.038
R2 0.338
F-value 23.009***
Correlation is significant at the 0.01 level (2-tailed)
Correlation is significant at the 0.05 level (2-tailed)