urnal of Zhejiang A&F university, 2014, 31(3): 358-365. Р [21] 彭少麟,任海,张倩媚. 退化湿地生态系统恢复的一些理论问题[J]. 应用生态学报, 2003, Р (11): 2026-2030. Р PENG S L,REN H,ZHANG Q M.Theories and techniques of degraded wetland ecosystem Р restoration[J]. Chinese journal of applied ecology, 2003, (11): 2026-2030. Р [22] 赵琼,刘兴宇,胡亚林,等. 氮添加对兴安落叶松养分分配和再吸收效率的影响[J]. 林Р 业科学, 2010, 46(5): 14-19. Р ZHAO Q,LIU X Y,HU Y L,et al. Effects of Nitrogen Addition on Nutrient Allocation and Nutrient Р ResorptionEfficiency in Larix gmelinii[J]. Scientia silvae sinicae, 2010, 46(5): 14-19. Р Р