[1]李冬林,张亚楠,张存宽,等.溧水东庐山麻栎种群结构与分布格局研究[J].江苏林业科技,2016,43(04):1-6.[doi:10.3969/j.issn.1001-7380.2016.04.001]
 LI Dong-lin,ZHANG Ya-nan,ZHANG Cun-kuan,et al.Population structure and spatial distribution pattern of Quercus acutissima in Donglu Mountain of Lishui,Nanjing[J].Journal of Jiangsu Forestry Science &Technology,2016,43(04):1-6.[doi:10.3969/j.issn.1001-7380.2016.04.001]
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溧水东庐山麻栎种群结构与分布格局研究()
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《江苏林业科技》[ISSN:1001-7380/CN:32-1236/S]

卷:
第43卷
期数:
2016年04期
页码:
1-6
栏目:
试验研究
出版日期:
2016-08-30

文章信息/Info

Title:
Population structure and spatial distribution pattern of Quercus acutissima in Donglu Mountain of Lishui,Nanjing
文章编号:
1001-7380(2016)04-0001-06
作者:
李冬林1张亚楠2张存宽3俞春萍3王 燕3
1. 江苏省林业科学研究院,江苏 南京 211153;
2. 杭州市余杭区林业水利局,浙江 杭州 311100
3. 南京市溧水区林场,江苏 南京 211200
Author(s):
LI Dong-lin1ZHANG Ya-nan2ZHANG Cun-kuan3YU Chun-ping3WANG Yan3
1.Jiangsu Academy of Forestry, Nanjing 211153, China;
2. Bureau of Forestry and Water Conservancy in Yuhang District,Hangzhou, Hangzhou 311100, China;
3.Lishui District Forestry Farm of Nanjing, Nanjing 211200,China
关键词:
麻栎种群结构分布格局东庐山溧水南京
Keywords:
Quercus acutissima Population structureDistribution pattern Donglu Mountain Lishui Nanjing
分类号:
S792.181.02
DOI:
10.3969/j.issn.1001-7380.2016.04.001
文献标志码:
A
摘要:
采用样方调查法对南京溧水东庐山麻栎种群结构和分布格局进行了研究。结果表明:(1)麻栎种群的年龄结构呈现偏态性,Ⅰ级幼苗数量较少,Ⅱ级幼苗贮备不足,年龄结构为衰退型;(2)静态生命表中,Ⅰ、Ⅱ龄级的死亡率为负值,而Ⅶ、Ⅸ龄级的死亡率最大,种群生命期望随龄级增加依次递减。(3)种群大小结构表现为中龄、大树所占比例较多,而幼树及老龄个体数量都较少,存活曲线呈现衰退型种群的变化特征。(4) 利用负二项参数(K)、扩散系数(C)、扩散型指数(Iδ)、Cassie指标(Ca)、丛生指数(I)、聚块性指标(m*/m)等指标对种群的空间格局进行分析,表明麻栎种群的空间分布格局为集群分布。
Abstract:
By means of quadrate investigation, the structure and distribution pattern of Quercus acutissima population from Donglu Mountain of Lishui in Nanjing were studied. The results showed that(1)The size, class structure of Quercus acutissima population was in skewed distribution, the number of Class Ⅰseedlings was less, and ClassⅡseedlings was lack,suggesting senescence in age structure of Q. acutissima.(2)Judged from the static life of Q. acutissima population, the mortality of ClassⅠand Ⅱ was negative, and that of Class Ⅶ and Ⅸ was the most. And with the age’s increase, the life expectation(ex)of populations declined.(3)The population structure was featured with larger proportion of middle-aged and bigger trees, but with less proportion of seedlings and older trees, the survival curve showed a decline trend.(4)The spatial pattern of sampling plots showed aggregative distribution through testing cluster-intensity coefficient for instance K-value of negative binomial, dispersal index(C) , index of dispersion pattern(Iδ) , Cassie index(Ca) , clumping index(I) and index of patchiness (m*/m).

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备注/Memo

备注/Memo:
收稿日期:2016-05-27;修回日期:2016-06-06
基金项目:江苏省林业三新工程项目“江苏省森林认证标准应用与试点”(LYSX[2016]34);国家林业局森林认证试点项目“江苏省森林认证应用与推广”(2015-FM&COC)
作者简介:李冬林(1969- ),男,河南睢县人,研究员,博士。主要从事植物学、生态学研究。E-mail:lidonglin621@126.com。
更新日期/Last Update: 2016-09-08