气候变化领域集成服务门户(CCPortal): Cover as a simple predictor of biomass for two shrubs in Tibet

CCPortal

DOI	10.1016/j.ecolind.2016.01.009
	Cover as a simple predictor of biomass for two shrubs in Tibet
	Zhang, Lin; Cui, Guangshuai; Shen, Wei; Liu, Xinsheng
通讯作者	Zhang, L (通讯作者)
发表日期	2016
ISSN	1470-160X
EISSN	1872-7034
起始页码	266
结束页码	271
卷号	64
英文摘要	Knowledge of the quantitative relationship between plant cover and its corresponding biomass for shrubs is not well known, especially for those on the Tibetan Plateau. Based on investigations of 35 sites, 90 plots and 95 standard individuals for two typical shrub species (Rhododendron nivale Hook. f. and Sophora moorcroftiana (Benth.) Baker) across Tibet, we developed allometric models for biomass estimation from measurements of crown diameter and/or height. We found that the parameters of crown projection area (CPA), height and their product (volume) were all significantly (p < 0.01) correlated with dry mass of different organs for both species at individual level. The CPA rather than volume best predicted aboveground dry mass. This is because that the bulk density declined significantly with increasing plant height, leading to the inappropriateness for plant height itself being employed as a parameter in biomass estimation, especially for shrubs in smaller size groups. At community level, cover was tightly correlated with the aboveground, belowground and total biomass (R-2 = 0.97-0.99). Therefore, biomass for the two shrubs can be simply estimated by measuring plant cover, which enables rapid estimation of shrubland carbon stock at large scales by using satellite data and repeated experiments over time. This non-destructive method using cover to estimate shrub biomass can be applied not only in arid ecosystems but also in alpine or subalpine environment. (C) 2015 Elsevier Ltd. All rights reserved.
关键词	NET PRIMARY PRODUCTION ALPINE DWARF SHRUBS ABOVEGROUND BIOMASS CANOPY COVERAGE VEGETATION EQUATIONS ENVIRONMENTS PRODUCTIVITY AUSTRALIA GRADIENT
英文关键词	Biomass density; Biomass volume; Crown projection area; Rhododendron nivale; Sophora moorcroftiana
语种	英语
WOS研究方向	Biodiversity & Conservation ; Environmental Sciences & Ecology
WOS类目	Biodiversity Conservation ; Environmental Sciences
WOS记录号	WOS:000371098700027
来源期刊	ECOLOGICAL INDICATORS
来源机构	中国科学院青藏高原研究所
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/258740
推荐引用方式 GB/T 7714	Zhang, Lin,Cui, Guangshuai,Shen, Wei,et al. Cover as a simple predictor of biomass for two shrubs in Tibet[J]. 中国科学院青藏高原研究所,2016,64.
APA	Zhang, Lin,Cui, Guangshuai,Shen, Wei,&Liu, Xinsheng.(2016).Cover as a simple predictor of biomass for two shrubs in Tibet.ECOLOGICAL INDICATORS,64.
MLA	Zhang, Lin,et al."Cover as a simple predictor of biomass for two shrubs in Tibet".ECOLOGICAL INDICATORS 64(2016).