[1]徐建峰,袁在翔,关庆伟*,等. 南京紫金山糙叶树种群结构与动态[J].西北林学院学报,2023,38(1):18-24.[doi:10.3969/j.issn.1001-7461.2023.01.03]
　XU Jian-feng,YUAN Zai-xiang,GUAN Qing-wei*,et al. Population Structure and Dynamics of Aphananthe aspera on the Zijin Mountain in Nanjing[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2023,38(1):18-24.[doi:10.3969/j.issn.1001-7461.2023.01.03]
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 南京紫金山糙叶树种群结构与动态()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第38卷
期数:
2023年第1期
页码:
18-24
栏目:
出版日期:
2023-01-31

文章信息/Info

Title:
 Population Structure and Dynamics of Aphananthe aspera on the Zijin Mountain in Nanjing
文章编号:
1001-7461(2023)01-0018-07
作者:
 徐建峰1; 2; 袁在翔1; 关庆伟1*; 吴茜1; 邹朋峻1; 谷雨晴1; 金雪梅3; 陈霞3
 （1.太仓市林业站，江苏 太仓 215400；2.南方现代林业协同创新中心，南京林业大学 生物与环境学院，江苏 南京 210037；3.中山陵园管理局，江苏 南京 210014）
Author(s):
 XU Jian-feng1; 2; YUAN Zai-xiang1; GUAN Qing-wei1*; WU Qian1; ZOU Peng-jun1; GU Yu-qing1; JING Xue-mei3; CHEN Xia3
 (1.Taicang Forestry Station,Taicang 215400,Jiangsu,China; 2.Co-Innovation Center for the Sustainable Forestry in Southern China,College of Biology and Environment,Nanjing Forestry University,Nanjing 210037,Jiangsu,China; 3.Dr.Sun Yat-sen Mausoleum Administration,Nanjing 210014,Jiangsu,China)
关键词:
 ; 糙叶树; 种群结构; 种群动态; 群落演替; 静态生命表
Keywords:
Aphananthe aspera;  population structure;  population dynamic;  community succession;  life table.
分类号:
S754.1
DOI:
10.3969/j.issn.1001-7461.2023.01.03
文献标志码:
A
摘要:
 为明晰地带性植被糙叶树种群结构与动态特征，根据1 hm2固定样地中优势种糙叶树的每木调查结果，通过种群静态生命表、存活曲线、生存分析函数及时间序列模型，对糙叶树种群的结构动态进行分析。结果表明：1）糙叶树种群属于增长型，在自然干扰下，种群数量变化动态指数为3.04%，表明该种群能够在当前演替阶段保持稳定。2）种群存活曲线趋于Deevey-Ⅱ直线型B3亚型，死亡率和消失率均表现出波动性特征。3）时间序列预测表明，在经过2~5个龄级后，除Ⅸ和Ⅺ龄级外，种群各龄级的个体数量均有不同程度增长。综上所述，虽然紫金山糙叶树种群个体数量在当前演替阶段能够维持稳定，但种群在幼中龄过渡阶段死亡率（43.2%）和死亡密度（9.7%）偏高，需通过适度开展科学的经营性择伐等森林抚育措施，及时伐除病残木，营造小林窗，改善林内生存环境，从而促进糙叶树种群的天然更新与苗木生长。
Abstract:
 In order to understand the population structure and dynamics of Aphananthe aspera occurring in the Zijin Mountain,Nanjing,on the basis of the data collected from a 1 hm2 plot,the A.aspera population dynamics were analyzed using a static life table,depicted survival and function curves,and time-sequence model.The results showed that 1) the A.aspera population was of an expanding type.The dynamic index in age structure of A.aspera population under the natural disturbance was 3.04%,indicating that the population was stable at the succession stage.2) The survival curve of A.aspera population tended to be the linear subtype B3 of Deevey-Ⅱ.The curves of mortality and disappearance rates showed a fluctuating pattern.3) The time series prediction model showed that the individual number of the population in each age class would increase by various extents after underwent 2,3,4 and 5 age classes except for age class Ⅸ and Ⅺ.In conclusion,although the A.aspera population was stable at the succession stage,the mortality rate (43.2%) and mortality density (9.7%) were higher in the growing to middle-aged stages.It was suggested that the scientific selective cutting for forest tending should be adopted to cut off the diseased and dead woods,to form forest gaps,and to improve the shine and space in the understory for mitigating the pressure of intraspecific and interspecific competition and to promote the growing and regeneration of the seedling in the A.aspera population.

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备注/Memo

备注/Memo:
 收稿日期：2022-01-07修回日期：2022-04-21
基金项目：国家科技部“十三五”重点研发计划（2016YFC0502703）；江苏省高校优势学科建设工程项目（PAPD）。
第一作者：徐建峰，工程师。研究方向：森林生态学。E-mail:3505373@qq.com
*通信作者：关庆伟，教授。研究方向：城市森林生态学。E-mail:guanjapan999@163.com
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