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Large-scale patterns of understory biomass and its allocation across China's forests
Jin, Yanqiang; Liu, Chenggang; Qian, Song S.; Luo, Yiqi2; Zhou, Ruiwu3; Tang, Jianwei; Bao, Weikai4,5
2022
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
Volume804Issue:xPages:-
AbstractPlant biomass storage and its allocation reflect the ecosystem productivity and adaptation to different environments. Understory vegetation is a significant component of any forest ecosystem and plays a vital role in biodiversity maintenance and the ecosystem's carbon cycle. Although many studies have addressed the relationships of climate, stand structure and resource availability with understory biomass and its allocation at local scales, the large-scale variation of understory biomass and allocation and their underlying mechanisms remain unclear. We compiled a large database of understory biomass at the community level across China's forests to explore the large-scale patterns of understory biomass and R/S ratio, and to quantify the relative importance of drivers. Understory biomass and R/S ratio varied largely with forest types, and decreased with increasing longitude, but increased with elevation. Understory biomass increased with increasing latitude, mean annual temperature (MAT), and mean annual precipitation (MAP), while the R/S ratio decreased with latitude, MAT, and MAP. Stand structure had a strong effect on the variations in understory biomass. MAP was the most important driver in determining R/S ratio. This synthesis provides a first assessment of the large-scale patterns of understory biomass and allocation and sheds new light on the mechanisms underlying the variations in understory biomass and its allocation over a broad geographic scale. These findings will improve predictions of understory community dynamics in response to climate change and aid in further optimizing ecosystem process models. (c) 2021 Elsevier B.V. All rights reserved.
KeywordUnderstory biomass Carbon storage Biomass allocation Root shoot ratio Understory vegetation Overstory-understory interactions
Subject AreaEnvironmental Sciences & Ecology
DOI10.1016/j.scitotenv.2021.150169
Indexed BySCI
Language英语
WOS IDWOS:000701780900016
Citation statistics
Document Type期刊论文
Identifierhttp://ir.xtbg.org.cn/handle/353005/12333
Collection2012年后新成立研究组
Affiliation1.Chinese Acad Sci, Xishuangbanna Trop Bot Garden, CAS Key Lab Trop Plant Resources & Sustainable Us, Menglun 666303, Yunnan, Peoples R China
2.Qian, Song S.] Univ Toledo, Dept Environm Sci, Toledo, OH 43606 USA
3.No Arizona Univ, Ctr Ecosyst Sci & Soc, Flagstaff, AZ 86011 USA
4.Yuxi Normal Univ, Coll Geog & Land Engn, Yuxi 653100, Yunnan, Peoples R China
5.Chinese Acad Sci, CAS Key Lab Mt Ecol Restorat & Bioresource Utiliz, Chengdu Inst Biol, Chengdu 610041, Sichuan, Peoples R China
6.Chinese Acad Sci, Ecol Restorat Biodivers Conservat Key Lab Sichuan, Chengdu Inst Biol, Chengdu 610041, Sichuan, Peoples R China
Recommended Citation
GB/T 7714
Jin, Yanqiang,Liu, Chenggang,Qian, Song S.,et al. Large-scale patterns of understory biomass and its allocation across China's forests[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2022,804(x):-.
APA Jin, Yanqiang.,Liu, Chenggang.,Qian, Song S..,Luo, Yiqi.,Zhou, Ruiwu.,...&Bao, Weikai.(2022).Large-scale patterns of understory biomass and its allocation across China's forests.SCIENCE OF THE TOTAL ENVIRONMENT,804(x),-.
MLA Jin, Yanqiang,et al."Large-scale patterns of understory biomass and its allocation across China's forests".SCIENCE OF THE TOTAL ENVIRONMENT 804.x(2022):-.
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