Fig. 3From: China’s terrestrial ecosystem carbon balance during the 20th century: an analysis with a process-based biogeochemistry modelSpatial patterns of annual net primary production (NPP, a–d) and net ecosystem production (NEP, e–h) during the 1900s (a, e), 1930s (b, f), 1960s (c, g), and 1990s (d, h) in ChinaBack to article page