| The impact of warming climate on Himalayan silver fir growth along an elevation gradient in the Mt. Everest region | |
Gaire, Narayan Prasad1; Zaw, Zaw; Braeuning, Achim3; Griessinger, Jussi3; Sharma, Bimal; Rana, Prabina4; Bhandari, Sanjaya5; Basnet, Saroj6; Fan, Ze-Xin
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| 2023 | |
| Source Publication | AGRICULTURAL AND FOREST METEOROLOGY
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| ISSN | 0168-1923 |
| Volume | 339Issue:xPages:- |
| Abstract | The impacts of rapid climate change in the Himalayan region on growth and sensitivity of tree species across their entire elevation distribution range are not well understood. This study investigates the growth and climate sensitivity of the endemic species Himalayan silver fir (Abies spectabilis, D.Don) along an elevation gradient in the sub-alpine belt in the Mt. Everest region. We developed tree ring-width chronologies, spanning 98 to 310 years, from six sites along an elevation gradient (3400-4100 m a.s.l.). The growth of Himalayan silver fir is primarily limited by low temperatures during the growing season and moisture availability during spring. Significant positive correlations were found between tree growth and mean, minimum and maximum temperatures for most parts of the vegetation period except spring. In contrast, significant positive correlations are apparent for pre-cipitation, self-calibrated Palmer drought severity index (scPDSI), and standardized precipitation-evapotranspiration index (SPEI) during the spring season (March-May) at most of the elevations except for the upper treeline site. Thus, low summer temperatures are the primary limiting factor at all investigated ele-vations, while moisture supply during spring triggers growth variations at low-to mid-elevations. The long-term growth trends of A. spectabilis have decreased at low-to mid-elevation sites but increased at the treeline during the period 1981-2011. Warming and intensified moisture stress during spring could have negative effects on tree growth, potentially resulting in growth decline and forest dieback at middle and low elevations. These findings emphasize the importance of understanding the vulnerability of forests at middle and low elevations to future climate change. |
| Keyword | Climate change Climate sensitivity Elevation gradient Growth trend Himalayan silver fir(Abiesspectabilis) Tree ring |
| Subject Area | Agronomy ; Forestry ; Meteorology & Atmospheric Sciences |
| DOI | 10.1016/j.agrformet.2023.109575 |
| Indexed By | SCI |
| Language | 英语 |
| WOS ID | WOS:001026204200001 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | https://ir.xtbg.ac.cn/handle/353005/13615 |
| Collection | 2012年后新成立研究组 |
| Affiliation | 1.Chinese Acad Sci, CAS Key Lab Trop Forest Ecol, Xishuangbanna Trop Bot Garden, Menglun 666303, Yunnan, Peoples R China 2.Tribhuvan Univ, Dept Environm Sci, Patan Multiple Campus, Lalitpur 44700, Nepal 3.Chinese Acad Sci, Ailaoshan Stn Subtrop Forest Ecosyst Studies, Xishuangbanna Trop Bot Garden, Jingdong 676209, Yunnan, Peoples R China 4.Univ Erlangen Nurnberg, Inst Geog, D-91058 Erlangen, Germany 5.Nepal Acad Sci & Technol, Khumaltar 3323, Lalitpur, Nepal 6.Indiana State Univ, Dept Earth & Environm Syst, Terre Haute, IN 47809 USA 7.Univ Greifswald, Inst Bot & Landscape Ecol, D-17489 Greifswald, Germany |
| Recommended Citation GB/T 7714 | Gaire, Narayan Prasad,Zaw, Zaw,Braeuning, Achim,et al. The impact of warming climate on Himalayan silver fir growth along an elevation gradient in the Mt. Everest region[J]. AGRICULTURAL AND FOREST METEOROLOGY,2023,339(x):-. |
| APA | Gaire, Narayan Prasad.,Zaw, Zaw.,Braeuning, Achim.,Griessinger, Jussi.,Sharma, Bimal.,...&Fan, Ze-Xin.(2023).The impact of warming climate on Himalayan silver fir growth along an elevation gradient in the Mt. Everest region.AGRICULTURAL AND FOREST METEOROLOGY,339(x),-. |
| MLA | Gaire, Narayan Prasad,et al."The impact of warming climate on Himalayan silver fir growth along an elevation gradient in the Mt. Everest region".AGRICULTURAL AND FOREST METEOROLOGY 339.x(2023):-. |
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