A net phosphorus (P) immobilization was observed in the process of litter decomposition, with the intensity decreased in the order of MDF>CBF>EBF, which was related to the initial P content and C/P ratio of the litter.

• P在不同林分凋落物分解过程中均存在明显的净固持效应；其强度顺序为高山矮林>针阔叶混交林>常绿阔叶林；凋落物初始P含量和C/P可能是导致上述情形的原因.