| 杉木火力楠混交林和杉木纯林的生物量及分布格局研究 |
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| 引用本文： | 蔡勇. 杉木火力楠混交林和杉木纯林的生物量及分布格局研究[J]. 福建林业科技, 2007, 34(2): 48-52 |
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| 作者姓名： | 蔡勇 |
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| 作者单位： | 福建省南平市延平区溪后国有林业采育场,福建,南平,353001 |
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| 摘 要： | 分析比较了16年生杉木火力楠混交林以及杉木纯林生物量及其分布格局。结果表明:杉木火力楠混交林乔木层生物量为189.35 t·hm-2,高出杉木纯林49.3%;其凋落物层生物量则为纯林的3.48倍。混交林中火力楠枝叶生物量分布高度高于杉木,有利于提高光能利用率;火力楠根系分布深度低于杉木,有利于提高土壤养分利用率。因而,杉木和火力楠混交林能形成较好的林分结构,可促进林分生产力的提高和地力改善,是值得推广的杉阔混交林模式。
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| 关 键 词： | 杉木 火力楠 混交林 生物量 分布格局 |
| 文章编号： | 1002-7351（2007）02-0048-05 |
| 修稿时间： | 2006-10-30 |
A comparison of the biomass and their distribution patterns between the mixed forest of Chinese fir and michelia macclurei and pure Chinese fir plantation |
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| CAI Yong. A comparison of the biomass and their distribution patterns between the mixed forest of Chinese fir and michelia macclurei and pure Chinese fir plantation[J]. Journal of Fujian Forestry Science and Technology, 2007, 34(2): 48-52 |
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| Authors: | CAI Yong |
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| Affiliation: | Yanping National Forest Cutting and Fostering Centre of Nanping, Nanping, Fujian 353001, China |
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| Abstract: | The biomass and their distribution patterns between the mixed forest of Chinese fir and michelia macclurei and pure Chinese fir plantation were analyzed in this paper.The result showed: arbor layer biomass of the mixed forest was 189.35 t·hm-2,49.3% higher than that of pure Chinese fir plantation;litter layer biomass of which is 3.48 times as that of pure Chinese fir plantation.In the mixed forest,distribution of branch and leaf biomass of michelia macclurei was higher than that of Chinese fir,which was beneficial to photosynthetic rate;root distribution of michelia macclurei was lower than that of Chinese fir,which was beneficial to soil nutrition utility.The mixed forest of Chinese fir and michelia macclurei and pure Chinese fir plantation improved forest structure and increased the forest productivity,which was worth being popularized. |
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| Keywords: | Chinese fir michelia macclurei mixed forest biomass distribution pattern |
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