IMHE OpenIR  > 山地表生过程与生态调控重点实验室
Alternative TitleLitter carbon stock and spatial patterns of main forest types in Tibet
杨阳; 王根绪; 冉飞; 常瑞英
Corresponding Author王根绪
Source Publication生态学杂志
Other Abstract

凋落物是森林生态系统的重要组成部分,其作为养分的基本载体,在养分循环中是连接植物与土壤的"纽带",其碳库直接影响着土壤碳库及森林生态系统的碳库。本文以西藏高原冷杉、云杉、高山松、云南松、高山栎、柏木森林类型为研究对象,采用直接收获法对森林凋落物碳储量进行研究。结果显示:凋落物碳储量随着龄级的增大而增加;凋落物碳储量随海拔的升高而增加,在3200~3600 m碳储量最大,随后碳储量开始下降;林芝地区凋落物碳储量最大,其次是山南地区和日喀则地区,最小的是昌都地区。 


Litter is an important linkage between plant and soil in nutrient cycles because it is not only a key component consisting of forest ecosystems,but also is the essential carrier for nutrients. Thus,changes of carbon stock in litter can directly affect the carbon stocks in soil and forest ecosystems. In this study Abies georgei var. smithii,Picea asperata,Pinus densata,Pinus yunnanensis, Quercus semecarpifolia,Cupressus funebris forests in the Tibetan Plateau were selected as target vegetation types,and a direct harvesting method was employed to collect litter in the study sites. In general,carbon storage of litter showed a tendency of higher values with increasing stand ages. Additionally,the carbon storage of litter firstly increased with increasing elevation, and then a subsequent decrease in carbon storage occurred with increasing elevation. The largest carbon storage value was observed in sites with elevations ranging from 3200 to 3600 m. Spatially, the largest carbon storage value occurred in Linzhi,followed by Shannan and Shigatse,and the lowest in Changdu.

Keyword西藏 森林类型 凋落物 碳储量 海拔 龄级
Subject AreaS718.5
Indexed ByCSCD ; 北大中文核心
Funding Organization中国科学院战略性先导科技专项子课题(XDA05050207) ; 中国科学院成都山地灾害与环境研究所“一三五”方向性专题(SDS-135-1201) ; 中国科学院重点部署项目-创新团队国际合作伙伴计划(KZZD-EW-TZ-06)
Citation statistics
Cited Times:4[CSCD]   [CSCD Record]
Document Type期刊论文
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
杨阳,王根绪,冉飞,等. 西藏高原主要森林类型凋落物碳储量及空间分布格局[J]. 生态学杂志,2016,35(3):559-566.
APA 杨阳,王根绪,冉飞,&常瑞英.(2016).西藏高原主要森林类型凋落物碳储量及空间分布格局.生态学杂志,35(3),559-566.
MLA 杨阳,et al."西藏高原主要森林类型凋落物碳储量及空间分布格局".生态学杂志 35.3(2016):559-566.
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