Fig. 11

Interaction detector analysis results of the relationship between six factors and NPP. (A is the northern mountain, B is the southern mountain; 1 is 2000, 2 is 2005, 3 is 2010, 4 is 2015, 5 is 2020; (LULC- land use type), PRE- precipitation, DEM -elevation, NDVI- normalized difference vegetation index, SD- sunshine duration, and TEM- temperature).