[1]李冬林,孙戴妍,张存宽,等.南京市溧水区林场锥栗群落特征研究[J].江苏林业科技,2018,45(03):1-6.[doi:10.3969/j.issn.1001-7380.2018.03.001]
 Li Donglin,Sun Daiyan,Zhang Cunkuan,et al.Study on population structure of Castanea henryi in Forestry Farm of Lishui District, Nanjing[J].Journal of Jiangsu Forestry Science &Technology,2018,45(03):1-6.[doi:10.3969/j.issn.1001-7380.2018.03.001]
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南京市溧水区林场锥栗群落特征研究()
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《江苏林业科技》[ISSN:1001-7380/CN:32-1236/S]

卷:
第45卷
期数:
2018年03期
页码:
1-6
栏目:
试验研究
出版日期:
2018-06-30

文章信息/Info

Title:
Study on population structure of Castanea henryi in Forestry Farm of Lishui District, Nanjing
文章编号:
1001-7380(2018)03-0001-06
作者:
李冬林1孙戴妍1张存宽2俞春萍2王燕2
1.江苏省林业科学研究院,江苏南京211153;
2.南京市溧水区林场,江苏南京211200
Author(s):
Li Donglin1 Sun Daiyan1 Zhang Cunkuan2 Yu Chunping2 Wang Yan2
1.Forestry Academy of Jiangsu, Nanjing 211153,China;
2.Forestry Farm of Lishui District, Nanjing, Nanjing 211200,China
关键词:
锥栗群落种群多样性指数溧水区林场
Keywords:
Castanea henryi CommunityPopulationDiversity indexForestry Farm of Lishui District
分类号:
Q948.15+7;S718.54;S792.17
DOI:
10.3969/j.issn.1001-7380.2018.03.001
文献标志码:
A
摘要:
采用群落调查法,对南京溧水区林场锥栗群落的植物组成、物种多样性,及种群结构特征进行了研究。结果表明:群落内共发现有种子植物60种,隶属38科57属,其中乔木17种,灌木18种,草本25种;锥栗群落结构简单,层次分明,自上而下可分为乔木层、灌木层和草本层;锥栗在群落中的重要值最大,优势地位突出,是该群落的第1优势种;群落内物种多样性程度不高,Shannon-Wiener指数(H’)变化区间为1.4—1.8,Simpson指数(D)为0.67—0.83,而Pielou均匀度指数(J)为0.33—0.43。对种群结构分析表明,种群Ⅰ,Ⅱ级幼树缺少,幼苗贮备严重不足,种群不稳定,处于衰败之中,应尽快建立物种保护小区,促进幼苗更新和种群健康发展。
Abstract:
A systematic research on Castanea henryi community was conducted in Forestry Farm of Lishui District, Nanjing by means of typical sampling method, including the plant composition, the diversity index and population structure. The results showed that there were 60 species of seed plants there, which included 17 kinds of arbor trees, 18 shrubs and 25 herbs, belonging to 57 genera, 38 families. C. henryi community had simple structure, clear level, and from top to bottom, could be divided into arbor tree layer, shrub layer and herb layer. In the arbor layer, the important value of C.henryi was maximum as the first dominant species in the community. The diversity of community was not high, the change interval of Shannon-Wiener index (H’) was 1.4—1.8,Simpson index(D) ranged from 0.67 to 0.83,and Pielou index(J) from 0.33 to 0.43. The size class structure of C. henryi population showed skew distribution, that was, the seedlings of Class Ⅰ and Class Ⅱ lacked. Any protecting measures should be taken to improve seedling regeneration and healthy population development as soon as possible.

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备注/Memo

备注/Memo:
收稿日期:2018-03-22;修回日期:2018-05-14
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)
作者简介:李冬林(1969- ),男,河南睢县人,研究员,博士。主要从事植物生态学研究。E-mail:704020830@qq.com。
更新日期/Last Update: 2018-08-01