| 大兴安岭林区林分蓄积量与海拔的关系研究 |
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| 引用本文： | 栾兆平.大兴安岭林区林分蓄积量与海拔的关系研究[J].山东林业科技,2011,41(2):54-56. |
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| 作者姓名： | 栾兆平 |
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| 作者单位： | 黑龙江省国家林业局大兴安岭林业调查规划设计院,加格达奇,165000 |
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| 摘 要： | 研究区域位于天然林保护工程重点区域大兴安岭林区,收集大兴安岭森林资源连续清查第6次复查232块样地资料,将其整理成列联表,做列联表分析,进行卡方检验、剩余分析、对数线性模型拟合。结果表明,此区域落叶松林分在低海拔分布较广,但蓄积量处于相对低水平,主要是此区域内林分受人为干扰较严重而致。本文研究结果对于森林经营决策具有重要的意义。
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| 关 键 词： | 林分蓄积 海拔 列联表分析 对数线性模型 |
The Study on the relationship between stand stock and altitude in the Greater Khingan Mountains |
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| Luan Zhaoping.The Study on the relationship between stand stock and altitude in the Greater Khingan Mountains[J].Journal of Shandong Forestry Science and Technology,2011,41(2):54-56. |
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| Authors: | Luan Zhaoping |
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| Institution: | Luan Zhaoping(Forestry Investigation and Design Institute of Daxinan Mountains of National Forestry Bureau of HeilongjiangProvince,Jiagedaqi 165000,China) |
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| Abstract: | This paper research area in natural forest protection project key area the daxinanling forest region,collect the greater hinggan mountains forest resources continuous investigation sixth review 232 block sample material,arranged them into listed contingency table,do column contingency table analysis,chi-square test,residual analysis and log-linear regression model fitting.The results indicate that the regional larch stand in low altitude,but has a wide distribution volume in a relatively low level,mainly is... |
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| Keywords: | stand stock altitude two-w ay contingency tab le log-linearm odel |
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