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学科主题: 地理学::自然地理学
题名: Topography and age mediate the growth responses of Smith fir to climate warming in the southeastern Tibetan Plateau
作者: Liu, B (Liu, B.)1, 2; Wang, Y (Wang, Y.)1; Zhu, H (Zhu, H.)1, 3; Liang, E (Liang, E.)1, 3; Camarero, JJ (Camarero, J. J.)4
通讯作者: Liang, E
关键词: TREE-RING GROWTH ; BASAL AREA INCREMENT ; SABINA-PRZEWALSKII ; PICEA-CRASSIFOLIA ; ABIES-LASIOCARPA ; QILIAN MOUNTAINS ; BOREAL FOREST ; RADIAL GROWTH ; PINUS-CEMBRA ; OLD TREES
刊名: INTERNATIONAL JOURNAL OF BIOMETEOROLOGY
发表日期: 2016
DOI: 10.1007/s00484-016-1148-5
卷: 60, 期:10, 页:1577-1587
收录类别: SCI
合作性质: 国际
文章类型: Article
部门归属: 环境
英文摘要: The Tibetan Plateau holds some of the world's highest undisturbed natural treelines and timberlines. Such extreme environments constitute potentially valuable monitoring sites of the effects of climate warming on high-elevation forests. Here, we analyze a network of 21 Smith fir forests situated in the Sygera Mountains, southeastern Tibetan Plateau, using tree-ring width (TRW) and basal area increment (BAI) chronologies. Sampled sites encompassed a wide elevation gradient, from 3600 to 4400 m, including some treeline sites and diverse aspects and tree ages. In comparison with TRW series, BAI series better capture the long-term warming signal. Previous November and current April and summer temperatures are the dominant climatic factors controlling Smith fir radial growth. The mean inter-series correlations of TRW increased upwards, but the forest limit presented the highest potential to reconstruct past temperature variability. Moreover, the growth responses of young trees were less stable than those of trees older than 100 years. Climate warming is accelerating radial growth of Smith fir forest subjected to mesic conditions. Collectively, these findings confirm that the effects of site elevation and tree age should be considered when quantifying climate-growth relationships. The type of tree-ring data (BAI vs. TRW) is also relevant since BAI indices seem to be a better climatic proxy of low-frequency temperature signals than TRW indices. Therefore, site (e.g., elevation) and tree (e.g., age) features should be considered to properly evaluate the effects of climate warming on growth of high-elevation forests.
语种: 英语
WOS记录号: WOS:000385142400012
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7584
Appears in Collections:图书馆_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Alpine Ecol & Biodivers, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 100101, Peoples R China
2.Northwest Univ, Coll Urban & Environm Sci, Xian 710127, Peoples R China
3.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
4.Inst Pirenaico Ecol IPE CSIC, Avda Montanana 1005, Zaragoza 50059, Spain

Recommended Citation:
Liu, B ,Wang, Y ,Zhu, H ,et al. Topography and age mediate the growth responses of Smith fir to climate warming in the southeastern Tibetan Plateau[J]. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY,2016,60(10):1577-1587.
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