[1]谢春平,王华辰,陈 林,等.木林子自然保护区河谷樱花群落特征分析[J].南京林业大学学报(自然科学版),2014,38(增刊):081-88.[doi:10.3969/j.issn.1000-2006.2014.S1.017]
 XIE Chunping,WANG Huachen,CHEN Lin,et al.Analysis on the characteristics of Cerasus communities in the valley of Mulinzi Nature Reserve[J].Journal of Nanjing Forestry University(Natural Science Edition),2014,38(增刊):081-88.[doi:10.3969/j.issn.1000-2006.2014.S1.017]
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木林子自然保护区河谷樱花群落特征分析
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《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

卷:
38
期数:
2014年增刊
页码:
081-88
栏目:
研究论文
出版日期:
2014-10-29

文章信息/Info

Title:
Analysis on the characteristics of Cerasus communities in the valley of Mulinzi Nature Reserve
文章编号:
1000-2006(2014)S1-0081-08
作者:
谢春平12王华辰1陈 林1王贤荣1*
1.南京林业大学生物与环境学院,江苏 南京 210037;
2.南京森林警察学院物证鉴定中心,江苏 南京 210023
Author(s):
XIE Chunping12WANG Huachen1CHEN Lin1WANG Xianrong1*
1. College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037, China;
2. Forensic Center of Wildlife, Nanjing Forest Police College, Nanjing 210023, China
关键词:
樱花 群落 种群 重要值 木林子自然保护区
Keywords:
Cerasus community population important value Mulinzi Nature Reserve
分类号:
S718; Q948.1
DOI:
10.3969/j.issn.1000-2006.2014.S1.017
文献标志码:
A
摘要:
在野外调查的基础上,运用群落学研究方法,对湖北鹤峰县木林子自然保护区樱花群落进行了研究。结果表明:①在所调查的2 500 m2样地中,共有维管束植物213种,隶属于87科169属; 种-多度格局及Raunkiaer频度结果分析显示,该群落物种分布不均匀且植被存在分化和演化的趋势,Raunkiaer频度定律表现为A>B>C>D>E。②群落植物区系属的分布类型可分为13种,以温带性质居多占54.86%,热带成分占42.36%,中国特有分布占2.78%,植物区系具有明显的过渡性。③群落垂直结构可分为乔木层、灌木层和草本层; 高度在3~7 m集中了乔木层的多数物种,说明整个群落的高度不高; 此外,群落郁闭度不高,草本层有较多的阳性杂草。④重要值分析表明野生早樱、尾叶樱和盐肤木为该群落乔木层的优势种群,其重要值分别为12.657%、10.570%和9.577%; 灌木层的优势树种为马银花、水马桑和阔叶箬竹,他们的重要值分别为7.890%、7.465%和6.805%。⑤立木级分析表明,野生早樱、尾叶樱、柳杉、华桑等为衰退种群,而短柄枹、构树、山胡椒等为增长种群。该地区的樱花群落是一种不稳定的森林群落,加大樱花资源的引种开发是保护该类植物的最佳手段。
Abstract:
Based on the field investigation, the Cerasus community in the valley of Mulinzi Nature Reserve was studied by the mean of phytocoenology. The results showed: ① in the 2 500 m2 quadrats, there were 213 vascular plants(including varieties), which belong to 169 genera and 87 families; it was indicated by the analyses of species abundance pattern and Raunkiaer frequency law(A>B>C>D>E)that the species were uneven distribution in the community and the vegetation has the tendency of differentiation and evolutionary. ②The genera of community flora could be divided into 13 distribution types, among which the temperate elements made up 54.86%, while the tropical elements made up 42.36%, and China endemic elements occupied 2.78%. The plant flora had evidently characteristics of transition. ③the vertical structure of cherry community could be divided into tree layer, shrub layer and herb layer, and most of trees distributed in the height of 3~7 m, which mean the community was not so tall; meanwhile, because of the law canopy, most weeds invaded in the community. ④C. subhirtella var. ascendens, C. dielsiana and Rhus chinensis, important values of which were 12.657%, 10.570% and 9.577%, respectively, were the dominant populations in the tree layer. Rhododendron ovatum, Weigela japonica var. sinica and Indocalamus latifolius were the dominant populations in the shrub layer, which important values were 7.890%, 7.465% and 6.805%, respectively. ⑤The analysis of structure diagrams of standing trees indicated that C. subhirtella var. ascendens, C. dielsiana, Cryptomeria japonica and Morus cathayana were declining in the community, while Quercus serrata var. brevipetiolata, Broussonetia papyrifera and Lindera glauca were inverse. As one kind of unstable secondary forest, the best way to protect the resource of cherry is to exploit and introduce artificially.

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备注/Memo

备注/Memo:
收稿日期:2014-09-10
基金项目:江苏省科技支撑计划(BE2012346); 江苏高校优势学科建设工程资助项目(PAPD)
第一作者:谢春平,副教授。*通信作者:王贤荣,教授,博士。E-mail: wangxianrong66@njfu.edu.cn。
引文格式:谢春平,王华辰,陈林,等. 木林子自然保护区河谷樱花群落特征分析[J]. 南京林业大学学报:自然科学版,2014,38(S1):81-88.
更新日期/Last Update: 1900-01-01