普洱市七叶莲野生资源分布研究
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摘要
在全面调查普洱市七叶莲野生资源地理分布基础上,采用主成分分析法研究七叶莲野生资源地理分布与气候、地形之间的关系,并对海拔与七叶莲枝叶总皂甙含量做相关性分析。调查结果表明:七叶莲野生资源在普洱全市均有分布,在喀斯特地貌区域分布尤为集中,其水平分布范围为99°20′11″E~101°55′04″E,22°18′20″N~24°17′58″N,垂直分布范围为海拔500~1 900 m。经主成分分析表明,影响七叶莲地理分布的主要水热指标的排序为湿度因子>热量因子>降水因子;相关分析结果表明,七叶莲所分布的海拔与其林木枝叶总皂甙的含量具负相关关系,其相关系数为-0.948,最高海拔(1 460 m)与最低海拔(1 006 m)的七叶莲枝叶总皂甙含量比为1.0∶1.5。
Based on a comprehensive survey of the geographical distribution wild resources of Schefflera venulosa in Pu'er city, this paper, through the PCA method and the correlation analysis, studied the relationship among geographic distribution, climate and topography, and also discussed the correlation between the altitude and total saponins content of Schefflera venulosa. The results showed that, the wild resources of S. venulosa located in Pu'er city, the horizontal distribution in 99°20′11″~101°55′04″E, and vertical distribution range of 500~1 900 meters. Meanwhile, the principal component analysis showed that the main water heat index which affected the geographical distribution wild resources of Puer city S. venulosa, of indicators was humidity factor> heat factor > precipitation factor. The correlation analysis results also showed that the altitude distribution and its total saponin content of tree branches and leaves had negative correlation, its correlation coefficient is-0.948, the content ratio of total saponin from Schefflera venulosa leaves between the highest altitude(1 460 m)and the minimum altitude(1 006 m)is 1.0∶1.5.
Based on a comprehensive survey of the geographical distribution wild resources of Schefflera venulosa in Pu'er city, this paper, through the PCA method and the correlation analysis, studied the relationship among geographic distribution, climate and topography, and also discussed the correlation between the altitude and total saponins content of Schefflera venulosa. The results showed that, the wild resources of S. venulosa located in Pu'er city, the horizontal distribution in 99°20′11″~101°55′04″E, and vertical distribution range of 500~1 900 meters. Meanwhile, the principal component analysis showed that the main water heat index which affected the geographical distribution wild resources of Puer city S. venulosa, of indicators was humidity factor> heat factor > precipitation factor. The correlation analysis results also showed that the altitude distribution and its total saponin content of tree branches and leaves had negative correlation, its correlation coefficient is-0.948, the content ratio of total saponin from Schefflera venulosa leaves between the highest altitude(1 460 m)and the minimum altitude(1 006 m)is 1.0∶1.5.
引文
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[2]刘佐仁,陈洁楷,李坤平,等.七叶莲枝叶挥发油化学成分的GC/M S分析[J].广东药学院学报,2005(5):7-8.
[3]张慧,林小凤,刘嘉,等.七叶莲中微量元素含量的电感耦合等离子光谱法测定[J].时珍国医国药,2013,(12):2894-2895.
[4]张慧,章立华,黄玉香,等.七叶莲化学成分的系统试验研究[J].时珍国医国药,2014(1):78-80.
[5]将谦才,何秀云,修小娟,等.中山市野生濒危植物和国家重点保护野生植物调查[J].广东林业科技,2007,23(2):28-31.
[6]霍应强.论比较植物生态地理学的意义和发展[J].广东林业科技,2014,30(1):60-63.
[7]郑道君,云勇,吴宇佳,等.海南龙血树野生资源分布及其与水热关系的分析[J].热带亚热带植物学报,2012,20(4):326-332.
[8]唐德英,马洁,张丽霞,等.鼓槌石斛种质资源调查研究[J].中国中药杂志,2010,35(12):1529-1532.
[9]云南省气象局.云南省气候资料集[M].昆明:云南人民出版社,1983
[10]徐文铎.吉良的热量指数及其在中国植被中的应用[J].生态学杂志,1985(3):35-39.
[11]洪必恭,李绍珠.江苏主要常绿阔叶树种的分布与热量关系的初步研究[J].生态学报,1981,1(2):105-111.
[12]邢福武,陈红锋,严岳鸿,等.海南铜铁岭种子植物资源调查[J].植物资源与环境学报,2003,12(4):43-48.
[13]吕振通,张凌云.SPSS统计分析与应用[M].1版,北京:机械工业出版社,2009.
[14]沈国舫.森林培育学[M].北京:中国林业出版社,2001.
[15]王达明,周云,张裕农,等.不同海拔高度及植被类型的云南红豆杉林木枝叶紫杉烷含量分异性研究[J].西部林业科技,2008,37(4):1-9.
[16]黄成才.论中国的湿地保护与管理[J].森林资源管理,2004,36(5):36-39.
[17]肖风劲,欧阳华,孙江华,等.森林生态系统健康评价指标与方法[J].森林资源管理,2004,32(1):27-30.