| 格氏栲天然林与人工林枯枝落叶层能量现存量 |
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| 引用本文： | 郭剑芬,林鹏,杨玉盛.格氏栲天然林与人工林枯枝落叶层能量现存量[J].福建林学院学报,2006,26(1):41-44. |
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| 作者姓名： | 郭剑芬 林鹏 杨玉盛 |
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| 作者单位： | 1. 厦门大学生命科学学院,福建,厦门,361005
2. 福建师范大学地理科学学院,福建,福州,350007 |
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| 基金项目： | 高等学校优秀青年教师教学科研奖励计划 |
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| 摘 要： | 通过对福建三明格氏栲天然林及在其采伐迹地上营造的33年生格氏栲人工林和杉木人工林枯枝落叶层各组分热值及能量现存量的研究表明,格氏栲天然林、格氏栲人工林和杉木人工林枯叶的干重热值和去灰分热值从未分解层(L层)到半分解层(F层)均不断下降.格氏栲天然林枯枝落叶层能量现存量达16 125.72 kJ.m-2,分别比格氏栲人工林和杉木人工林枯枝落叶层能量现存量高24.29%和81.63%.在枯枝落叶层组成中,枯叶能量现存量所占比例最大,3种林分枯枝落叶层枯叶分别占63.76%、56.32%和43.64%;枯枝的能量现存量次之.
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| 关 键 词： | 枯枝落叶层 热值 能量 格氏栲 杉木 天然林 人工林 |
| 文章编号： | 1001-389X（2006）01-0041-04 |
| 收稿时间： | 2005-06-03 |
| 修稿时间： | 2005-09-03 |
Energy of forest floor in natural and monoculture plantation forests of Castanopsis kawakamii |
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| GUO Jian-fen,LIN Peng,YANG Yu-sheng.Energy of forest floor in natural and monoculture plantation forests of Castanopsis kawakamii[J].Journal of Fujian College of Forestry,2006,26(1):41-44. |
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| Authors: | GUO Jian-fen LIN Peng YANG Yu-sheng |
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| Abstract: | Caloric value and the standing crop of energy of forest floor were studied in a natural forest of Castanopsis kawakamii (NF) and adjacent monoculture plantations of C.kawakamii(CK) and Chinese fir(Cunninghamia lanceolata,CF) in Sanming,Fujian,China.The results showed that gross caloric values of leaf litter in the NF,CK and CF were higher in the L layer than those in the F layer,which was the same for ash free caloric values.The standing crop of energy in forest floor of the NF was 16 125.72 kJ·m~(-2),being 24.29% and 81.63% higher than those in forest floors of the CK and CF respectively.Of the total standing crop of energy in forest floor,leaf litter represented the greatest proportion followed by branch litter.The standing crop of energy in leaf litter constituted 63.76%,56.32% and 43.64% respectively. |
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| Keywords: | forest floor caloric value energy Castanopsis kawakamii Cunninghamia lanceolata natural forest plantation |
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