Global patterns and determinants of forest canopy height

doi:10.1002/ecy.1580

CORC > 植物研究所 > 中国科学院植物研究所 > 植被与环境变化国家重点实验室

	Global patterns and determinants of forest canopy height
	Tao, Shengli 3; Guo, Qinghua 2; Li, Chao 3; Wang, Zhiheng 3; Fang, Jingyun 3
刊名	ECOLOGY
	2016
卷号	97 期号:12 页码:3265-3270
关键词	climatic indices forest canopy height geoscience laser altimeter system giant trees light detection and ranging potential evapotranspiration RH100 tallest tree water supply
ISSN号	0012-9658
DOI	10.1002/ecy.1580
文献子类	Article
英文摘要	Forest canopy height is an important indicator of forest biomass, species diversity, and other ecosystem functions; however, the climatic determinants that underlie its global patterns have not been fully explored. Using satellite LiDAR-derived forest canopy heights and field measurements of the world's giant trees, combined with climate indices, we evaluated the global patterns and determinants of forest canopy height. The mean canopy height was highest in tropical regions, but tall forests (>50m) occur at various latitudes. Water availability, quantified by the difference between annual precipitation and annual potential evapotranspiration (P-PET), was the best predictor of global forest canopy height, which supports the hydraulic limitation hypothesis. However, in striking contrast with previous studies, the canopy height exhibited a hump-shaped curve along a gradient of P-PET: it initially increased, then peaked at approximately 680mm of P-PET, and finally declined, which suggests that excessive water supply negatively affects the canopy height. This trend held true across continents and forest types, and it was also validated using forest inventory data from China and the United States. Our findings provide new insights into the climatic controls of the world's giant trees and have important implications for forest management and improvement of forest growth models.
学科主题	Ecology
电子版国际标准刊号	1939-9170
出版地	HOBOKEN
WOS关键词	TREE HEIGHT ; GROWTH ; CLIMATE ; BIOMASS ; LIMITS ; PRECIPITATION ; PRODUCTIVITY ; DIVERSITY ; GRADIENT ; DROUGHT
WOS研究方向	Science Citation Index Expanded (SCI-EXPANDED)
语种	英语
出版者	WILEY-BLACKWELL
WOS记录号	WOS:000389444800002
资助机构	National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31321061, 31330012] ; National Basic Research Program of China on Global ChangeNational Basic Research Program of China [2010CB950600]
内容类型	期刊论文
源URL	[http://ir.ibcas.ac.cn/handle/2S10CLM1/25092]
专题	植被与环境变化国家重点实验室
作者单位	1.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China 2.Peking Univ, Key Lab Earth Surface Proc, Minist Educ, Beijing 100871, Peoples R China 3.Peking Univ, Dept Ecol, Coll Urban & Environm Sci, Beijing 100871, Peoples R China
推荐引用方式 GB/T 7714	Tao, Shengli,Guo, Qinghua,Li, Chao,et al. Global patterns and determinants of forest canopy height[J]. ECOLOGY,2016,97(12):3265-3270.
APA	Tao, Shengli,Guo, Qinghua,Li, Chao,Wang, Zhiheng,&Fang, Jingyun.(2016).Global patterns and determinants of forest canopy height.ECOLOGY,97(12),3265-3270.
MLA	Tao, Shengli,et al."Global patterns and determinants of forest canopy height".ECOLOGY 97.12(2016):3265-3270.