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当前位置: 首页 > 文章 > 麻城青檀种群结构与动态分析 湖北林业科技 2019 (4) 5-8+82
Position: Home > Articles > Structural and Dynamic Analysis of Pteroceltis tatarinowii Population in Macheng City Hubei Forestry Science and Technology 2019 (4) 5-8+82

麻城青檀种群结构与动态分析

作  者：
方镇平;姚圣典;汪洋;岳丹;张敏
单  位：
湖北生态工程职业技术学院;兴山县林业科学研究所;云霄县林业局火田林业工作站
关键词：
麻城;青檀;种群结构;动态分析
摘  要：
为研究麻城青檀种群结构、数量和动态变化,采用样方法对种群进行调查,通过划分种群龄级并进行龄级动态分析、对种群动态进行了时间序列预测和种群Fourier级数分析,结果表明:青檀种群第3和6龄级数量减少,7龄级无存活植株,种群动态指数Vpi=22.83%,种群为增长型,但抗风险能力弱;预测种群未来高龄级植株数量增加;第3龄级为种群波动小周期。青檀种群是经过环境筛和种内种间竞争共同作用的结果;利用近自然法辅以人工优化种群的结构和功能,是保护青檀天然种群的有效手段。
译  名：
Structural and Dynamic Analysis of Pteroceltis tatarinowii Population in Macheng City
作  者：
Fang Zhengping;Yao Shengdian;Wang Yang;Yue Dan;Zhang Min;Huotian Forestry Station,Yunxiao City Forestry Bureau;Forestry Research Institute of Xingsan County;Hubei Ecology Polytechnic College;
关键词：
Macheng;;Pteroceltis tatarinowii;;population structure;;dynamics analysis
摘  要：
To study the population structure quantity and dynamics trend of Pteroceltis tatarinowii in Macheng prefecture,the quadrat-juxtaposing grid sampling method was used to perform an population investigation.Analyses on age-class dynamics,time series prediction and Fourier series of the P.tatarinowii population were made,and the results showed that the number of P.tatarinowii plants in the population declined at the 3 rd and the 6 th age classes,with no living plant at the 7 th age class;dynamic index of Vpi was 22.83%,indicating that the population was in growth,but the anti-risk capacity was weak;The number of aging adult plants in the population was predicted to increase later on.The 3 rd age is the minor circle of population fluctuation.The current situation of the population is the result of environmental sieve and interspecific and intraspecific competitions.Close-to-nature forest management together with artificial optimization of the population,is an effective approach to protect the natural P.tatarinowii population.

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