Winter and spring warming result in delayed spring phenology on the Tibetan Plateau

doi:10.1073/pnas.1012490107

CORC > 昆明植物研究所 > 中国科学院昆明植物研究所 > 中国科学院东亚植物多样性与生物地理学重点实验室

	Winter and spring warming result in delayed spring phenology on the Tibetan Plateau
	Yu, Haiying 1,2; Luedeling, Eike 3; Xu, Jianchu1,2
刊名	PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
	2010-12-21
卷号	107 期号:51 页码:22151-22156
关键词	Climate-change Vegetation Index Tree Phenology Snow Depth Avhrr Variability Latitudes Regions Europe China
ISSN号	0027-8424
DOI	10.1073/pnas.1012490107
其他题名	mannual of IR1
通讯作者	J.C.Xu@cgiar.org
文献子类	Article
英文摘要	Climate change has caused advances in spring phases of many plant species. Theoretically, however, strong warming in winter could slow the fulfillment of chilling requirements, which may delay spring phenology. This phenomenon should be particularly pronounced in regions that are experiencing rapid temperature increases and are characterized by highly temperature-responsive vegetation. To test this hypothesis, we used the Normalized Difference Vegetation Index ratio method to determine the beginning, end, and length of the growing season of meadow and steppe vegetation of the Tibetan Plateau in Western China between 1982 and 2006. We then correlated observed phenological dates with monthly temperatures for the entire period on record. For both vegetation types, spring phenology initially advanced, but started retreating in the mid-1990s in spite of continued warming. Together with an advancing end of the growing season for steppe vegetation, this led to a shortening of the growing period. Partial least-squares regression indicated that temperatures in both winter and spring had strong effects on spring phenology. Although warm springs led to an advance of the growing season, warm conditions in winter caused a delay of the spring phases. This delay appeared to be related to later fulfillment of chilling requirements. Because most plants from temperate and cold climates experience a period of dormancy in winter, it seems likely that similar effects occur in other environments. Continued warming may strengthen this effect and attenuate or even reverse the advancing trend in spring phenology that has dominated climate-change responses of plants thus far.
学科主题	Multidisciplinary Sciences
WOS关键词	CLIMATE-CHANGE ; VEGETATION INDEX ; TREE PHENOLOGY ; SNOW DEPTH ; AVHRR ; VARIABILITY ; LATITUDES ; REGIONS ; EUROPE ; CHINA
WOS研究方向	Science & Technology - Other Topics
语种	英语
WOS记录号	WOS:000285521800042
资助机构	Chinese Academy of Sciences [KSCX2-YW-Z-1019]
公开日期	2011-12-20
内容类型	期刊论文
源URL	[http://ir.kib.ac.cn:8080/handle/151853/3114]
专题	昆明植物研究所_中国科学院东亚植物多样性与生物地理学重点实验室
作者单位	1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650204, Peoples R China 2.World Agroforestry Ctr, E Asia Program, Kunming 650204, Peoples R China 3.World Agroforestry Ctr, Nairobi 00100, Kenya
推荐引用方式 GB/T 7714	Yu, Haiying,Luedeling, Eike,Xu, Jianchu. Winter and spring warming result in delayed spring phenology on the Tibetan Plateau[J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,2010,107(51):22151-22156.
APA	Yu, Haiying,Luedeling, Eike,&Xu, Jianchu.(2010).Winter and spring warming result in delayed spring phenology on the Tibetan Plateau.PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,107(51),22151-22156.
MLA	Yu, Haiying,et al."Winter and spring warming result in delayed spring phenology on the Tibetan Plateau".PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 107.51(2010):22151-22156.