| 黄河羊曲水电站库区乔木状甘蒙柽柳种群特征分析 |
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| 引用本文： | 董文婷,任枫,张鲁. 黄河羊曲水电站库区乔木状甘蒙柽柳种群特征分析[J]. 陕西林业科技, 2019, 0(2): 36-38 |
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| 作者姓名： | 董文婷 任枫 张鲁 |
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| 作者单位： | 国家林业和草原局西北调查规划设计院;西安绿环林业技术服务公司 |
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| 摘 要： | 在全面调查资源分布的基础上,对基径≥30cm的树木进行每木检尺,分析库区甘蒙柽柳的资源分布、种群结构和生长规律。结果表明:库区甘蒙柽柳分布范围51.3hm2,占库区总面积的0.88%。基径30~49cm的植株占总株数的64.7%,种群结构增长型。年均生长量在0.3~1.25cm之间,基径和年轮之间存在较大的相关性,符合y=0.9721x+13.027。年均生长量单样本T检验结果显示差异极显著。
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| 关 键 词： | 羊曲水电站 甘蒙柽柳 资源分布 种群结构 生长规律 |
Population Characteristics of Tamarix austremongolica arborescens in Yangqu Hydropower Reservoir Area of Yellow river |
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| Affiliation: | (Northwest Institute of Forest Planning,Design and Inventory,State Administration of Forestry and Grass Land,Xi'an 710048) |
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| Abstract: | Based on the overall investigation of distribution and measurement of each tree basal diameter more than 30 cm,the resources distribution,population structure and growth rhythm were analyzed.The results showed that the distribution scope of Tamarix austremongolica was 51.3 hm 2,accounting for 73% of the total area of reservoir area.The number of basal diameter between 30~49 cm accounts for 64.7%.The population structure was characterized by increasing type.The annual average growth is between 0.3~1.25 cm.The basal diameter has strong correlation with annual ring in Y= 0.9721x +13.027.The difference was extremely significant by one-sample t-test of annual average. |
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| Keywords: | Yangqu hydropower station Tamarix austremongolica resources distribution,population structure,growth rhythm |
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