【摘要】 该文直接利用年龄结构数据编制了天山云杉种群特定时间生命表 ,避免了用胸径或树高代替年龄编制生命表可能产生的误差 ,在此基础上运用生存理论分析了天山云杉种群的动态变化 ,为天山云杉林的保护和经营提供了依据 .更多还原

【Abstract】 The time specific life table of Picea schrenkiana population was obtained by using age structure data, which avoided the error when using diameter or height instead of age. The dynamic change of Picea schrenkiana population was analyzed by using survivorship theory. The results provided reference for the protection and management of Picea schrenkiana forests.更多还原