图1. 我国不同植被类型凋落物分解研究论文数量。A, 1986-2018年年际变动。B, 不同研究对象论文数量, 包括地上凋落物、地下凋落物、地上和地下凋落物。白色柱状单指叶片。

Fig. 1. Bibliometric analysis on the litter decomposition in different vegetation types in China. A, Interannual dynamics between 1986 and 2018. B, Classification with research objects, including above-ground, below-ground, above- and below-ground litter. White column represents leaf litter.