尖峰岭热带山地雨林生物量及碳库动态

被引：41

作者：

陈德祥 ^{[1
]}

李意德 ^{[1
]}

Heping Liu ^{[2
]}

许涵 ^{[1
]}

肖文发 ^{[3
]}

骆土寿 ^{[1
]}

周璋 ^{[4
]}

林明献 ^{[1
]}

机构：

[1] 中国林业科学研究院热带林业研究所

[2] Department of Physics,Atmospheric Science and Geoscience,Jackson State University,MS ,USA

[3] 中国林业科学研究院森林生态环境与保护研究所

[4] 北京大学城市与环境学院生态学系

来源：

中国科学:生命科学 | 2010年 / 40卷 / 07期

关键词：

尖峰岭; 热带山地雨林; 生物量; 碳储量; 环境控制因素;

D O I：

暂无

中图分类号：

Q948 [植物生态学和植物地理学];

学科分类号：

071301 [植物生态学];

摘要：

利用从1983年以来,2块固定样地清查数据（P8302,P9201）对尖峰岭热带山地雨林生物量和碳源汇大小进行估算,并探讨该森林碳源汇大小与环境因子的关系.结果表明,基于林分生物量、主要树种各组分碳含量而估算的碳密度,P8302样地在（223.95±45.92）254.85±48.86MgC/ha间变动,平均为（243.35±47.64）MgC/ha;而P9201样地在（201.43±29.38）229.16±39.2MgC/ha间变动,平均为（214.17±32.42）MgC/ha.林分碳源汇的年际变化较大,多年平均碳汇为（0.56±0.22）MgC·ha?1·a?1,与非洲和美洲热带森林的碳汇量(（0.62±0.23）MgC·ha?1·a?1)相近,表明尖峰岭热带雨林具有一定的碳汇能力.碳源汇的大小与暴雨次数和干旱月份次数呈现二次曲线的变化趋势,暴雨次数和干旱月份次数是尖峰岭热带山地雨林碳源汇大小的两个关键影响因子.

引用

页码：596 / 609

页数：14

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