Tree Regeneration Patterns on Contrasting Slopes at Treeline Ecotones in Eastern Tibet
文献类型：期刊论文
| 作者 | Zheng, Lili2,4; Shi, Peili3,4; Zhou, Tiancai3,4; Hou, Ge3,4; Song, Minghua4; Yu, Feihai1 |
| 刊名 | FORESTS
 |
| 出版日期 | 2021-11-01 |
| 卷号 | 12期号:11页码:11 |
| 关键词 | alpine treeline ecotone climate change timberline age class Tibetan Plateau |
| DOI | 10.3390/f12111605 |
| 通讯作者 | Shi, Peili(shipl@igsnrr.ac.cn) |
| 英文摘要 | Alpine treelines are projected to shift upslope in response to climate warming, but empirical studies have yielded inconsistent results, with both upshifted and stable alpine treelines. Additionally, treelines on different slope aspects of the same mountain can differ. Thus, for a better understanding of the mechanisms of treeline formation and treeline responses to climate change, we need to elucidate the population dynamics at treelines on different slope aspects. Here, we quantified the population dynamics of Balfour spruce (Picea likiangensis var. rubescens) at treeline ecotones on contrasting north- and east-facing slopes on the eastern Tibetan Plateau based on field surveys. The alpine treeline positions of Balfour spruce have not advanced toward higher altitudes on the contrasting slopes in recent decades. Compared with the east-facing slope, more recruits occurred on the north-facing slope above the present treeline, indicating a more favorable regeneration condition. However, on the north-facing slope, the individual growth rate of Balfour spruce was lower, and the number of adult trees above the present treeline was higher than that on the east-facing slope. Thus, slope aspects mediate a trade-off between the growth and survival of treeline species, explaining the absence of an impact of slope aspects on treeline responses to climate change. Our results highlight the importance of considering the effect of topography on population dynamics in predicting alpine treeline dynamics under the scenario of climate change. |
| WOS关键词 | LOW-TEMPERATURE PHOTOINHIBITION ; ALPINE-TREELINE ; CLIMATIC VARIABILITY ; GROWTH ; RESPONSES ; SURVIVAL ; PLATEAU ; ESTABLISHMENT ; FACILITATION ; MOUNTAINS |
| 资助项目 | National Natural Science Foundation of China ; ICIMOD Joint Research Project |
| WOS研究方向 | Forestry |
| 语种 | 英语 |
| WOS记录号 | WOS:000723892300001 |
| 出版者 | MDPI |
| 资助机构 | National Natural Science Foundation of China ; ICIMOD Joint Research Project |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/167984]  |
| 专题 | 中国科学院地理科学与资源研究所 |
| 通讯作者 | Shi, Peili |
| 作者单位 | 1.Taizhou Univ, Inst Wetland Ecol & Clone Ecol, Zhejiang Prov Key Lab Plant Evolutionary Ecol & C, Taizhou 318000, Peoples R China 2.Taizhou Univ, Sch Life Sci, Taizhou 318000, Peoples R China 3.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100190, Peoples R China 4.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zheng, Lili,Shi, Peili,Zhou, Tiancai,et al. Tree Regeneration Patterns on Contrasting Slopes at Treeline Ecotones in Eastern Tibet[J]. FORESTS,2021,12(11):11. |
| APA | Zheng, Lili,Shi, Peili,Zhou, Tiancai,Hou, Ge,Song, Minghua,&Yu, Feihai.(2021).Tree Regeneration Patterns on Contrasting Slopes at Treeline Ecotones in Eastern Tibet.FORESTS,12(11),11. |
| MLA | Zheng, Lili,et al."Tree Regeneration Patterns on Contrasting Slopes at Treeline Ecotones in Eastern Tibet".FORESTS 12.11(2021):11. |
入库方式： OAI收割
来源：地理科学与资源研究所
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