| 不间伐状态下杉木人工林材积年收益的初步研究 |
| |
| 引用本文： | 饶显生. 不间伐状态下杉木人工林材积年收益的初步研究[J]. 福建林业科技, 2011, 38(4). DOI: 10.3969/j.issn.1002-7351.2011.04.17 |
| |
| 作者姓名： | 饶显生 |
| |
| 作者单位： | 福建省邵武市林业局,福建邵武,354000 |
| |
| 基金项目： | 福建省"一县一业"重大科技专项资助项目 |
| |
| 摘 要： | 通过研究未间伐状态下不同初植密度的杉木人工林分材积年均收益与林分年龄的关系,建立杉木人工林数量成熟数学模型。结果表明:杉木林分年均材积收益与林分年龄之间存在显著的二次抛物线关系;合理密植可以使林分数量成熟年龄提前,缩短培育周期。
|
| 关 键 词： | 杉木 造林密度 材积年收益 数量成熟 |
Preliminary Study on the Annual Profit of Timber Volume of Cunninghamia lanceolata Forest under Different Thinning Situations |
| |
| RAO Xian-sheng. Preliminary Study on the Annual Profit of Timber Volume of Cunninghamia lanceolata Forest under Different Thinning Situations[J]. Journal of Fujian Forestry Science and Technology, 2011, 38(4). DOI: 10.3969/j.issn.1002-7351.2011.04.17 |
| |
| Authors: | RAO Xian-sheng |
| |
| Abstract: | In this paper,Cunninghamia lanceolata plantation quantitative maturity mathematical models were established by studying the relationship between the age and annual average profit of standing forest of different afforestation-density without thinning-cut.The result showed:there was a marked relationship of quadratic parabola between the age and annual average profit of standing forest of Chinese fir;the quantitative matured age could be moved up and the culture cycle could be shortened by rational planting density. |
| |
| Keywords: | Cunninghamia lanceolata afforestation density timber volume annual profit quantitative mature |
| 本文献已被 万方数据 等数据库收录！ |
