Spatial distribution of the ecosystem service functions of haze absorption by green space in China in 2018 (106 Kg) (a, b, c and d are the absorption of sulfur dioxide and nitrogen oxides, dust retention, and the total ecosystem service functions, respectively).

 
 
  Part of: Zhang P, Wang N, Yang L, Zhang X, Liu Q (2020) Evaluation and sensitivity analysis of the ecosystem service functions of haze absorption by green space based on its quality in China. Nature Conservation 40: 93-141. https://doi.org/10.3897/natureconservation.40.23017