气候变化领域集成服务门户(CCPortal): Ecosystem carbon exchange under different land use on the Qinghai-Tibetan plateau

CCPortal

DOI	10.1007/s11099-015-0142-1
	Ecosystem carbon exchange under different land use on the Qinghai-Tibetan plateau
	Luo, C. -Y.; Zhu, X. -X.; Wang, S. -P.; Cui, S. -J.; Zhang, Z. -H.; Bao, X. -Y.; Zhao, L.; Li, Y.; Zhao, X. -Q.
通讯作者	Wang, SP (通讯作者)
发表日期	2015
ISSN	0300-3604
EISSN	1573-9058
起始页码	527
结束页码	536
卷号	53 期号:4
英文摘要	There is a great uncertainty about the effect of land use change on grassland ecosystem in the Tibetan Plateau. Net ecosystem carbon exchange (NEE) was measured for native alpine meadow with winter grazing (NAM), abandoned cropland/pasture (APL), perennial Elymus nutans (PEN), and annual oat pasture (AO) on the Tibetan plateau, during the growing seasons in 2009 and 2010 using a transparent chamber technique (Licor-6400). AO significantly decreased annual average NEE by 21.6, 23.7, and 15.7% compared to PEN, NAM, and APL during the growing season in 2010. Compared to PEN, NAM, and APL, AO significantly decreased average ecosystem respiration (R-e) by 21.1, 52.3, and 39.3%, respectively, during the growing season in 2009. Soil moisture and total aboveground and belowground biomass together explained 39.6% of NEE variation and 71% in gross primary productivity variation. Soil moisture and belowground biomass explained about 83.1% of the R-e variation. Our results indicated that it is possible to convert APL to PEN in the region because it could result in a higher NEE together with higher forage production compared to AO.
关键词	SOIL CO2 EFFLUX ALPINE MEADOW ECOSYSTEM DIOXIDE EXCHANGE SEASONAL PATTERNS TROPICAL PASTURE ROOT RESPIRATION EDDY COVARIANCE FLUXES GRASSLAND TEMPERATURE
英文关键词	ecosystem carbon exchange; land use; Tibetan plateau
语种	英语
WOS研究方向	Plant Sciences
WOS类目	Plant Sciences
WOS记录号	WOS:000363248600006
来源期刊	PHOTOSYNTHETICA
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/258479
推荐引用方式 GB/T 7714	Luo, C. -Y.,Zhu, X. -X.,Wang, S. -P.,et al. Ecosystem carbon exchange under different land use on the Qinghai-Tibetan plateau[J]. 中国科学院青藏高原研究所,2015,53(4).
APA	Luo, C. -Y..,Zhu, X. -X..,Wang, S. -P..,Cui, S. -J..,Zhang, Z. -H..,...&Zhao, X. -Q..(2015).Ecosystem carbon exchange under different land use on the Qinghai-Tibetan plateau.PHOTOSYNTHETICA,53(4).
MLA	Luo, C. -Y.,et al."Ecosystem carbon exchange under different land use on the Qinghai-Tibetan plateau".PHOTOSYNTHETICA 53.4(2015).