[1]刘新圣,张林,孔高强,等.藏东南色季拉山急尖长苞冷杉林线地带地上生物量随海拔的变化特征[J].山地学报,2011,(03):362.
　LIU Xinsheng,ZHANG Lin,et al.Altitudinal Variation in Aboveground Biomass of Abies georgei var. smithii at Timberline of the Sergyemla Mountains, Southeast Tibet[J].Mountain Research,2011,(03):362.
点击复制

藏东南色季拉山急尖长苞冷杉林线地带地上生物量随海拔的变化特征()
分享到：

《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2011年03期
页码:
362
栏目:
山地学报
出版日期:
2011-01-01

文章信息/Info

Title:
Altitudinal Variation in Aboveground Biomass of Abies georgei var. smithii at Timberline of the Sergyemla Mountains, Southeast Tibet
作者:
刘新圣;张林;孔高强;罗天祥;
1. 青藏高原环境变化与地表过程重点实验室，中国科学院青藏高原研究所，北京100085;
2. 中国科学院研究生院, 北京100049
Author(s):
LIU Xinsheng;  ZHANG Lin;  KONG Gaoqiang;  LUO Tianxiang
1. Key Laboratory of Tibetan Environment Changes and Land Surface Processes (TEL), Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing 100085, China;
2. Graduate University of Chinese Academy of Sciences, Beijing 100049, China
关键词:
急尖长苞冷杉; 海拔; 地上生物量; 生物量分配; 高山林线
Keywords:
Abies georgei var. smithii; elevation; aboveground biomass; biomass allocation; alpine timberline
分类号:
Q948
文献标志码:
A
摘要:
从亚高山森林到高山林线,逐渐严酷的生长环境影响了生物量的积累和分配。本研究采用相对生长法和样方收获法估算了藏东南色季拉山急尖长苞冷杉林在不同海拔(4 190 m,4 270 m和4 326 m)的地上生物量,分析了群落中不同层次地上生物量、各器官生物量及其分配比例随海拔的变化格局。结果表明:1.急尖长苞冷杉群落地上生物量在181~284 t/hm2之间,其中,乔木层在117~248 t/hm2,灌木层为35~62 t/hm2,草本层为0.9~1.5 t/hm2;2.群落地上生物量随海拔升高急剧降低,降低的平均幅度为73.1 t/(hm2.100 m);3.随海拔升高,群落地上生物量分配到非光合...
Abstract:
Environment becomes harsh with increasing altitude, which has major effects on forest biomass accumulation and its allocation to woody and foliage components. In this study, we compared aboveground biomass and its allocation pattern of Abies georgei\[ var. smithii along a transect from subalpine forest to alpine timberline in the Sergyemla Mountain, southeast Tibet. We estimated different components of aboveground biomass for Abies trees and undergrowth Rhododendron shrubs by using allometric regressions. The aboveground biomass of undergrowth herbs was measured by harvesting in 0.5 m×0.5 m quadrats. Aboveground biomasses were 181~284 t/hm2, 117~248 t/hm2, 35~62 t/hm2 and 0.9~1.5 t/hm2 for whole community, trees, undergrowth shrubs and herbs, respectively. Aboveground biomass of the whole community decreased significantly with increasing elevation, and the decreasing rate was 73.1 t/hm2 per 100 m. Furthermore, the Abies forest stand at higher elevation tended to reduce biomass allocation to nonphotosynthesis organs (stem and branch), and to increase the allocation to longlived needles. The increased biomass allocation to longlived needles at higher elevations may extend the mean residence time of nutrients in plants，and then enhance nutrient use efficiency of dry mass production to adapt to the low temperature environment at alpine timberlines.

相似文献/References:

[1]李伟,卜兆君,张兵将,等.长白山不同海拔泥炭地泥炭藓残体的分解[J].山地学报,2013,(04):442.
　LI Wei,BU Zhaojun,ZHANG Bingjiang,et al.Decomposition of Sphagnum Litter in 4 Peatlands of the Changbai Mountains along an Altitudinal Gradient[J].Mountain Research,2013,(03):442.
[2]明庆忠,郭树荣,角媛梅,等.山地高梯度森林生物质能效应研究(Ⅱ):案例[J].山地学报,2011,(04):417.
　MING Qingzhong,GUO Shurong,JIAO Yuanmei.High Gradient Effects of Forest Biomass Energy in Mountainous Region (Ⅱ): Case Study[J].Mountain Research,2011,(03):417.
[3]郑征,李佑荣,张树斌,等.西双版纳海拔变化对水湿状况的影响[J].山地学报,2007,(01):33.
[4]李武斌,包维楷,何丙辉,等.岷江上游大沟流域油松人工幼林生物量组成及其影响因素[J].山地学报,2007,(02):236.
[5]朱源,康慕谊,刘全儒,等.贺兰山针叶林物种密度的通径分析[J].山地学报,2007,(04):469.
[6]封磊,洪伟,吴承祯,等.武夷山黄山松林主要种群生态位特征[J].山地学报,2008,(03):308.
[7]胡启武,吴琴,郑林,等.青海云杉叶片稳定性碳同位素组成对水分温度变化的响应[J].山地学报,2010,(06):712.
[8]王媛韬,张 林*,沈 维,等.藏东南色季拉山林线过渡带生长季低温事件的海拔分布特征[J].山地学报,2017,(03):308.[doi:10.16089/j.cnki.1008-2786.000226]
　WANG Yuantao,ZHANG Lin,SHEN Wei,et al.Altitudinal Variations of Freezing Events at Timberline Ecotone in the Sergyemla Mountains, Southeast Tibet[J].Mountain Research,2017,(03):308.[doi:10.16089/j.cnki.1008-2786.000226]

备注/Memo

备注/Memo:
收稿日期(Received date)：2010-10-03；改回日期(Accepted) : 2010-03-04。
基金项目（Foundation item）：国家自然科学
基金项目 (40671069, 40701008); 国家"973"计划课题"全球变化影响下自然生态系统的脆弱性及评价指标"(2010CB951301)。\[National Natural Science Foundation of China (40671069, 40701008), National Key Projects for Basic Research of China (2010CB951301).\]
作者简介（Biography）：刘新圣(1982- ),男，安徽怀宁人，博士研究生，主要从事高山林线生态学研究。\[Liu Xinsheng(1982-), Ph.D. candidate, engaged in alpine treeline ecology.\] E-mail: liuxinsheng@itpcas.ac.cn
更新日期/Last Update: 1900-01-01