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长白山阔叶红松林乔木幼苗年际动态及影响因素

刘帅 肖翠 王均伟 侯嫚嫚 廖嘉星 范秀华

刘帅, 肖翠, 王均伟, 侯嫚嫚, 廖嘉星, 范秀华. 长白山阔叶红松林乔木幼苗年际动态及影响因素[J]. 北京林业大学学报, 2016, 38(11): 57-66. doi: 10.13332/j.1000-1522.20160012
引用本文: 刘帅, 肖翠, 王均伟, 侯嫚嫚, 廖嘉星, 范秀华. 长白山阔叶红松林乔木幼苗年际动态及影响因素[J]. 北京林业大学学报, 2016, 38(11): 57-66. doi: 10.13332/j.1000-1522.20160012
LIU Shuai, XIAO Cui, WANG Jun-wei, HOU Man-man, LIAO Jia-xing, FAN Xiu-hua. Interannual seedling dynamic and influencing factors on seedling survival of tree species in a broadleaved Korean pine (Pinus koraiensis) mixed forest in Changbai Mountains, northeastern China.[J]. Journal of Beijing Forestry University, 2016, 38(11): 57-66. doi: 10.13332/j.1000-1522.20160012
Citation: LIU Shuai, XIAO Cui, WANG Jun-wei, HOU Man-man, LIAO Jia-xing, FAN Xiu-hua. Interannual seedling dynamic and influencing factors on seedling survival of tree species in a broadleaved Korean pine (Pinus koraiensis) mixed forest in Changbai Mountains, northeastern China.[J]. Journal of Beijing Forestry University, 2016, 38(11): 57-66. doi: 10.13332/j.1000-1522.20160012

长白山阔叶红松林乔木幼苗年际动态及影响因素

doi: 10.13332/j.1000-1522.20160012
基金项目: 

“十二五”国家科技支撑计划项目(2012BAD22B0203)。

详细信息
    作者简介:

    刘帅。主要研究方向:森林生态学、光与植物生理生态学。Email: bjfuls@bjfu.edu.cn 地址:100083北京市海淀区清华东路35号北京林业大学理学院。   责任作者: 范秀华,教授。主要研究方向:森林生态学、光与植物生理生态学。Email: blfanxh@bjfu.edu.cn 地址:同上。

    刘帅。主要研究方向:森林生态学、光与植物生理生态学。Email: bjfuls@bjfu.edu.cn 地址:100083北京市海淀区清华东路35号北京林业大学理学院。   责任作者: 范秀华,教授。主要研究方向:森林生态学、光与植物生理生态学。Email: blfanxh@bjfu.edu.cn 地址:同上。

Interannual seedling dynamic and influencing factors on seedling survival of tree species in a broadleaved Korean pine (Pinus koraiensis) mixed forest in Changbai Mountains, northeastern China.

  • 摘要: 以长白山原始阔叶红松林样地为平台,对样方中胸径1 cm的乔木幼苗进行监测,基于2006—2014年的调查数据对该群落中乔木幼苗的物种组成、数量特征、新生与死亡动态以及影响幼苗存活的因素进行分析。结果表明:1)群落乔木幼苗近10年物种组成变化较小,每年都可以监测到9个常见种。2)幼苗个体的大量萌发和大量死亡导致群落乔木幼苗数量有较大的年际变化,其中最多年份幼苗密度可达38.9 株/m2,而最少年份仅有3.8 株/ m2。3)不同年份群落乔木幼苗年龄组成中1年生幼苗数量最多,部分年份略有差异。随着幼苗年龄的增加,幼苗数量不断减少。幼苗总体数量同幼苗新生数量动态变化是一致的,幼苗死亡的峰值较幼苗总体峰值有1年的时滞。4)群落水平上幼苗存活与同种大树胸高断面积和林冠开阔度呈显著正相关,与异种幼苗邻体呈显著负相关。群落中幼苗个体大量萌发和大量死亡的现象证明该群落存在明显的更新限制,在一定程度上有利于群落的物种共存。近10年的幼苗监测有助于我们更加准确地认识群落更新过程,因而长期的动态监测十分必要。

     

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出版历程
  • 收稿日期:  2016-01-11
  • 刊出日期:  2016-11-30

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