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STUDIES ON THE SPATIAL DISTRIBUTION PATTERN OF THE POPULATIONS OF GLYCYRRHIZA URALENSIS (LIQUORICE) AND OTHER SEVERAL CHINESE HERBAL MEDICINE SPECIES IN NINGXIA FENCE
Author(s): 
Pages: 17-21
Year: Issue:  2
Journal: GUIZHOU SCIENCE

Keyword:  甘草黄蒿刺蓬蒺藜种群竞争空间分布格局;
Abstract: 以样地调查数据为基础,应用方差均值比率和聚集强度指数的测定分析方法,对宁夏几个野生中草药种的种群分布格局进行分析,结果表明:甘草,黄蒿,刺蓬,蒺藜都趋于聚集分布,且聚集强度依次为:黄蒿>刺蓬>蒺藜>甘草,导致这种聚集程度不同的可能原因是种群的不同繁殖方式及营养资源的竞争.方差比率与聚集指数分析两者计算结果能相互印证并与野外实际观察相吻合.由于方差比率法简单,计算量小,故方差比率法对研究宁夏中草药种群分布格局是一种较为可信和可用的方法.
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