学习及工作经历：

中国科学院寒区旱区环境与工程研究所博士（1999-2003）

中国科学院地理科学与资源研究所博士后（2003-2005）

中国科学院寒区旱区环境与工程研究所副研究员（2005-2010）

美国亚利桑那大学访问学者（2010-1011）

中国科学院寒区旱区环境与工程研究所研究员（2011-2016）

陕西师范大学地理科学与旅游学院（2017-今）

研究领域：

1. 树轮记录与气候环境变化

2. 森林健康与生物地球化学循环

奖励及荣誉：

2025，甘肃省自然科学二等奖

2025，陕西省优秀博士论文指导教师

2022，中国科学院杰出科技成就奖

2021，全国优秀教材特等奖

2016，陕西省高层次人才引进（百人计划）

2015，中国科学院优秀博士论文指导教师

2014，中国科学院BHBP 导师科研奖

主持的科研项目：

1. 国家自然科学基金重点项目：基于树轮多指标耦合的黄土高原树木生长变化特征及未来趋势研究。2024年1月-2028年12月，负责人。

2. 国家自然科学基金面上项目：祁连山树轮稳定氮同位素比率时空变化及其指示的氮循环特征。2020年1月-2023年12月，负责人。

3．中央高校创新团队项目：我国西部树轮稳定同位素与全球变化，2018年1月-2020年12月，负责人。

4. 国家重点基础研究发展计划(973计划)专题：冰冻圈要素的树木年轮重建及变化研究。2013年1月- 2017-12月，负责人。

5. 国家自然科学基金面上项目：我国夏季风北边缘区树轮早晚材及年内δ13C和δ18O变化型季节性气候信号的识别及其气候意义。2016年1月-2019年12月，负责人。

6. 国家自然科学基金面上项目：黑河流域树轮同位素记录的树木长期水分利用效率和水分来源变化。2012年1月-2015年12月，负责人。

7. 中国科学院知识创新工程方向性项目(青年人才类)：横断山区树轮稳定碳氧氢同位素比率气候意义。2010年1月－2012年12月，负责人。

8. 国家自然科学基金面上项目：柴达木盆地东缘祁连圆柏树轮碳氧氢同位素长序列的建立及其气候意义。2009年1月－2011年12月，负责人。

9. 全球变化研究国家重大科学研究计划项目子课题：欧亚大陆典型地区树轮气候学研究。2010年1月－2014年12月，负责人。

10. 国家重点基础研究发展计划（973计划）专题：西部树轮气候记录与典型冰川资料及环境要素对比。2007年8月－2011年8月，负责人。

11. 国家自然科学基金青年项目：祁连山青海云杉树轮碳同位素空间变化。2005年1月－2008年12月，负责人。

代表性成果（论文、专利、著作等）：

1) Mao Wei, Xiaohong Liu*, Yabo Wang, et al. 2026. Permafrost degradation lead the enhanced nitrogen contribution to tree growth: a tree-ring perspective. Journal of Forest Research, 37, 161, doi: 10.1007/s11676-026-02102-2.

2) Zhanhan Li, Jiaqi Guo, Xiaohong Liu*, et al., 2026. Divergent Responses of Temperate Tree Species to Meteorological Factors Revealed by UAV Multispectral Vegetation Indices in the Qinling Mountains. Journal of Mountain Science, doi: 10.1007s11629-025-0256-2

3) Yu Zhang, Xiaohong Liu*, Yixue Hong, et al., 2026. Basin Hydrothermal Modulation Decouples Lagged and Cumulative Drought Responses of Vegetation Physiology and Structure. Earth Systems and Environment, doi: 10.1007/s41748-026-01268-3

4) Yu Xue, Xiaomin Zeng*, Xiaohong Liu et al., 2026. Novel GA-Based Calibration Method for MAIDENiso Ecophysiological Forest Model. Journal of Advances in Modeling Earth Systems, 18, e2025MS005627

5) Huhu Kang, Miaoxin Ji, Xinyu Zhang, Xiaohong Liu, et al., 2026. Decadal mercury trends from Schrenk spruce (Picea schrenkiana) needles in the Middle Tianshan Mountains, Northwestern China: Evidence of declining industrial emissions and a rising regional background. Journal of Hazardous Materials 504, 141351

6) Shun Wen, Xiaohong Liu*, JJ Camarero, et al., 2026. Nitrogen availability and iWUE differently drive broadleaf and conifer growth near an expanding city. Journal of Geophysical Research – Biogeoscience, 131, e2024JG008717

7) Jia Wei, Jianwu Yan, Wei Liang Xiaohong Liu, et al., 2026. Photosynthetic activity drives seasonal canopy development and senescence rates on the Loess Plateau. International Journal of Remote Sensing, 47(4), 1947-1967

8) Xiaoqi Chen, Xiaomin Zeng*, Xiaohong Liu, et al., 2026. Radial growth resilience of temperate deciduous oaks to drought events across aridity gradients in the southern Loess Plateau, China. Dendrochronologia, 95，126468

9) Huiyue Yan, Xiaoming Zeng*, Xiaohong Liu, et al., 2026. Comparing ecological memory effects of the bimodal radial growth in the Qinling Mountains and Mediterranean forests. Forest Ecosystem, 15, 100402

10) Qiulu Meng, Xiaohong Liu*, Xueya Zhang, et al., 2026. Divergent growth and hydraulic strategies of three tree species in response to climate variability on the greening Loess Plateau. Forest Ecology Management, 602, 123393

11) Yiming Cao, Lingnan Zhang*, Yuhui Niu, Yiru Yang , Yan Liu, Guzhaliaiyi Aishan , Xiaohong Liu，2025. Contrasting drought responses of three tree species with divergent wood anatomy and leaf hydraulic traits on the Loess Plateau of China. Forest Ecology and Management 595, 123033

12) Lingnan Zhang, Yixue Hong, Yanjun Song, Xiaohong Liu* et al., 2025. Adaptive hydraulic strategies of Pinus tabuliformis to drought across moisture-level slopes in the central Qinling Mountains, China. Environmental and Experiment Botany 230, 106087

13) Xinyu Zhang, Kang HH, Xiaohong Liu*, et al., 2025. Species-Specific Physiological Strategies of Atmospheric Mercury Accumulation in Temperate Forest Leaves. Environmental Science Technology 59, 2082-2094

14) Yabo Wang, Xiaohong Liu*, Huijun Jin, et al., 2025. Climate-induced permafrost degradation exerts species-specific impacts on pine and larch growth in the Da Xing’anling Mountains, Northeast China. Agriculture Forest Meteorology 372, 110665.

15) 徐国保，赵婷婷，刘晓宏等，2024. 从历史到现代: 急流模态影响欧洲气候和农业极端事件。科学通报，36（34），4952-4954

16) Kang HH, Xiaohong Liu*, Xinyu Zhang, et al., 2024. Important accumulated mercury pool in a remote alpine forest and dynamic accumulation revealed by tree rings in China’s Qilian Mountains. Science of Total Environment, 951, 175441.

17) Yu Zhang, Xiaohong Liu*, Lixin Wang*, et al., 2024. Reductions in forest resilience: Unraveling the decoupling between gross primary productivity and photosynthetic efficiency. Geophysical Research Letters, 51, e2024GL110148, doi: 10.1029/2024GL110148.

18) Qiangqiang Lu, Xiaohong Liu*, Xiaomin Zeng, et al., 2024. Hydroclimatic potential of the coupled δ²H from wood lignin methoxy across deciduous conifer and evergreen broadleaf species in alpine treeline. Global Planetary Change, 238, 104468.

19) Lelong Yin, Xiaohong Liu*, Ziyi Wang, et al., 2024. Weakened linkage between timberline tree-ring growth and nitrogen availability under the rising CO₂ and warming climate in Taibai Mountain, central China. Journal of Plant Ecology, 17, rtae001, https://doi.org/10.1093/jpe/rtae001.

20) Liangju Zhao, Xiaohong Liu, Ninglian Wang, et al., 2024. The determining factors of hydrogen isotope offsets between plants and their source waters. New Phytologist, 241, 2009-2024, doi:10.1111/nph.19492

21) Xinyu Zhang, Huhu Kang, Liangju Zhao, et al., Xiaohong Liu*, 2024. Climate and industrial pollution determine the seasonal and spatial mercury variations in the China's Weihe River. Science of Total Environment, 912, 168555.

22) Xiaomin Zeng*, Ping Ni, Xiaohong Liu, et al., 2024. Decline in tree‑ring growth of Picea mongolica and its intra‑annual eco‑physiological responses to drought and CO₂ enrichment in semi‑arid China. Journal of Forestry Research, 35, 66.

23) Jiaqi Guo, Xiaohong Liu*, Wensen Ge, et al., 2024. Tracking photosynthetic phenology using spectral indices in temperate evergreen and deciduous trees. Agriculture Forest Meteorology, 344, 109809.

24) Yao Li, Xiaomin Zeng, Xiaohong Liu*, et al., 2023. A seasonally varying tree physiological response to environmental conditions: results from semi-arid China. Journal of Geophysical Research Biogeoscience, 128, e2023JG007455.

25) Ziyi Wang, Xiaohong Liu*, Josep Peñuelas, et al., 2023. Recent shift from dominant nitrogen to CO₂ fertilization control on the growth of mature Qinghai spruce. Agriculture Forest Meteorology 343, 109779.

26) Liangju Zhao, Xiying Dong, Xiaohong Liu et al., 2023. Extreme precipitation stable isotopic compositions reveal unexpected summer monsoon incursions in the Qilian Mountains. Science of Total Environment 900, 165743.

27) Guoju Wu, Guobao Xu, Bo Wang, Xiaohong Liu, et al., 2023. Post-drought moisture condition determines tree growth recovery after extreme drought events in the Tianshan Mountains, northwestern China. Ecological Indicators 151, 110275

28) Yu Zhang, Xiaohong Liu *, Wenzhe Jiao, et al., 2023. Spatial heterogeneity of vegetation resilience changes to different drought types. Earth’s Future, 11， e2022EF003108, doi: 10.1029/2022EF003108.

29) Yixue Hong, Xiaohong Liu*, J. Julio Camarero, et al., 2023. The dynamic effects of intrinsic water-use efficiency and climate on wood anatomy against climate warming. International Journal of Biometeorology, 67, 1017-1030

30) Yabo Wang, Xiaohong Liu*, Zhongqiong Zhang, et al., 2023. Permafrost degradation altered the environmental signals recorded in tree-ring lignin methoxy groups δ²H in northeastern China. Science of Total Environment, 860, 160519.

31) Qiangqiang Lu, Xiaohong Liu*, Kerstin Treydte, et al., 2023. Altitude-specific differences in tree-ring δ²H records of wood lignin methoxy in the Qinling mountains, central China. Quaternary Science Reviews, 300, 107895.

32) Xiaomin Zeng*, Michael N. Evans, Xiaohong LIU*, et al., 2022. Quantification of current and antecedent climatic drivers of conifer tree-ring growth across temperate China. Agriculture Forest Meteorology, 327, 109296.

33) Ziyi Wang, Xiaohong Liu*, Keyi Wang, et al., 2022. Tree-ring δ¹⁵N of Qinghai spruce in middle Qilian Mountains during past 60 years-Unnecessary pre-treatment for wood δ¹⁵N measurement. Journal of Arid Land, 14(6), 673-690, doi.org/10.1007/s40333-022-0065-1

34) Guobao Xu, Xiaohong Liu, Jia Hu, et al., 2022. Long-term intra-annual tree-ring δ¹⁸O and δ¹³C chronologies indicate trade-off between isotopic source and humidity variability in humid environments. Tree Physiology, 42, 2203-2223, 10.1093/treephys/tpac076

35) Qiangqiang Lu, Xiaohong Liu*, Liangcheng Tan, et al., 2022. Tree-ring δ²H records of lignin methoxy indicate spring temperature changes since 20th century in the Qinling Mountains, China. Dendrochronologia, 76, 126020.

36) Wensen Ge, Xiaohong Liu *, Xiaoqin Li, et al., 2022. Strongly Active Responses of Pinus tabuliformis Carr. and Sophora viciifolia Hance to CO₂ Enrichment and Drought Revealed by Tree-Ring Isotopes on the Central China Loess Plateau. Forests, 13, 986, doi.org/10.3390/f13070986

37) Huhu Kang, Xiaohong Liu*, Junming Guo, et al., 2022. Long-term environmental mercury trends in tree rings of the permafrost forest, northeastern China. Science of China, Earth Sciences, 65(7), 1328-1338, doi.10.1007/s11430-021-9886-1

38) 康虎虎，刘晓宏*，郭军明，等，2022。中国东北多年冻土区树木年轮汞序列长期趋势。中国科学，地球科学，52(7), 1299-1309。

39) Yu Zhang, Xiaohong Liu*, Wenzhe Jiao, et al., 2022. A new multi-variable integrated framework for identifying flash drought in the Loess Plateau and Qinling Mountains regions of China. Agriculture Water Management, 265, 107544, doi: 10.1016/j.agwat.2022.107544.

40) Wenchao Wang, Xiaomin Zeng*, Xiaohong Liu*, et al., 2022. Temporal evolution of the influence of atmospheric circulation on regional cloud cover as revealed by tree-ring δ¹⁸O in southwestern China. Global Planetary Change, 208，103690

41) Jiaqi Guo, Xiaohong Liu*, Wensen Ge, et al., 2021. Specific Drivers and Responses to Land Surface Phenology of Different Vegetation Types in the Qinling Mountains, Central China. Remote Sensing, 13, 4538.

42) Yu Zhang, Xiaohong Liu*, Wenzhe Jiao, et al., 2021. Drought monitoring based on a new combined remote sensing index across the transitional area between humid and arid regions in China. Atmospheric Research, 264, 105850.

43) Yixue Hong, Lingnan Zhang*, Xiaohong Liu*, et al., 2021. Tree-ring xylem anatomy reflects the seasonal dynamics of hydraulic traits and their response to climate variations in the western Qinling Mountains, China. Dendrochronologia, 70, 125881, doi.org/10.1016/j.dendro.2021.125881.

44) 康虎虎，刘晓宏*，张馨予，等。2021。树木年轮汞记录：进展、问题和展望。应用生态学报，32(10), 3733-3742，10.13287/j.1001-9332.202110.003

45) 王雅波，刘晓宏*，路强强，等。2021。树轮木质素甲氧基稳定氢同位素比率测定及研究现状。应用生态学报，32(10), 3753-3760, 10.13287/j.1001-9332.202110.004

46) 李瑶，曾小敏，倪萍，王文超，刘晓宏。2021。树木年轮年内高分辨率稳定同位素记录：方法、进展和展望，应用生态学报，32 (10), 3743-3752, 10.13287/j.1001-9332.202110.024

47) Xiaomin Zeng, Shiwen Sun, Youyu Wang, Yunxin Chang, Xiaoxiao Tao, Mingyue Hou, Wenchao Wang, Xiaohong Liu, Lingnan ZHANG. 2021. Does resin tapping affect tree-ring growth of Chinese pine (Pinus tabuliformis) and its climate sensitivity in the Loess Plateau, China? Dendrochronologia, 65, 125800

48) Wenzhi Wang*, Nate G. McDowell, Xiaohong Liu*, Guobao Xu, Guoju Wu, Xiaomin Zeng, Genxu Wang, Dahe Qin. 2021. Contrasting growth responses of Qilian juniper (Sabina przewalskii) and Qinghai spruce (Picea crassifolia) to CO₂ fertilization despite common water-use efficiency responses. Tree Physiology, 41, 992-1003, doi.org/10.1093/treephys/tpaa169.

49) 王可逸，刘晓宏*，曾小敏，张凌楠，李春越，2021. 树轮稳定氮同位素记录的进展和展望。地理学报，76（5）, 1193-1205, doi: 10.11821/dlxb202105011

50) Guoju Wu, Xiaohong Liu*, Tuo Chen, Guobao Xu, Bo Wamg, Huhu Kang， Caijuan Li and Xiaomin Zeng. 2020. The positive contribution of iWUE to the resilience of Schrenk spruce (Picea schrenkiana) to extreme drought in the western Tianshan Mountains, China. Acta Physiologiae Plantarum 42, 168, doi: 10.1007/s11738-020-03158-1.

51) Qiangqiang LU, Xiaohong LIU*, Tobias ANHÄUSER, et al., 2020. Tree-ring lignin proxies in Larix gmelinii forest growing in a permafrost area of northeastern China: temporal variation and potential for climate reconstructions. Ecological Indicators 118, 106750.

52) Guobao Xu*, Xiaohong Liu*, Weizhen Sun，et al., 2020. Seasonal divergence between soil water availability and atmospheric moisture recorded in intra-annual tree-ring δ¹⁸O extremes. Environment Research Letters 15, 094036, https://doi.org/10.1088/1748-9326/ab9792.

53) Liangju Zhao, Cong Xie, Xiaohong Liu, et al., 2020. Water sources of major plant species along a strong climatic gradient in the inland of Heihe River Basin. Plant and Soil 455:439–466

54) Lingnan Zhang, Shuangshuang Li*, Yixue Hong, Xiaomin Zeng, Xiaohong Liu. 2020. Changes in the radial growth of Picea crassifolia and its driving factors in the mid-western Qilian Mountains, Northwest China since 1851 C.E. Dendrochronologia 61, 125707

55) Keyi Wang, Xiaomin Zeng, Xiaohong Liu*, Matthew Lanning, Guoju Wu, Lixin Wang, Liangju Zhao, Guobao Xu, Yabo Wang, Lingnan Zhang, Xiaoqin Li, Qiangqiang Lu. 2020. Nitrogen rather than river streamflow regulates the riparian tree growth in lower reaches of the inland Heihe River. Chemical Geology 547, 119666

56) Guobao Xu*, Guoju Wu, Xiaohong Liu, Tuo Chen, Bo Wang, Amy Hudson, Valerie Trouet. 2020. Age-related climate response of tree-ring δ¹³C and δ¹⁸O from spruce and potential relative humidity reconstruction in Northwestern China. Journal of Geophysics Research – Biogeoscience 124; e2019JG005513

57) Yabo Wang, Xiaohong Liu*, Tobias Anhäuser, Qiangqiang Lu, Xiaomin Zeng, Qiuliang Zhang, Keyi Wang, Lingnan Zhang. 2020. Temperature signal recorded in δ²H and δ¹³C values of wood lignin methoxyl groups from a permafrost forest in northeastern China. Science of Total Environment 727, 138558

58) Xiaomin Zeng*, Chunfei Wei, Xiaohong Liu*, Lingnan Zhang. 2020. Qinghai spruce (Picea crassifolia) and Chinese pine (Pinus tabuliformis) show high vulnerability and similar resilience to early-growing-season drought in the Helan Mountains, China, China. Ecological Indicators 110, 105871.

59) 李晓琴，张凌楠，曾小敏，王可逸，王雅波，路强强，刘晓宏* （2020） 黄土高原中部针叶树与灌木径向生长对气候的响应差异。生态学报，40（16）, 5685-5997

60) Lingnan Zhang, Hui Li, Yilin Ran, Keyi Wang, Xiaomin Zeng * and Xiaohong Liu. 2019. Regional and local moisture gradients drive the resistance to and recovery from drought of Picea crassifolia Kom. in the Qilian Mountains, Northwest China. Forests 10, 817; doi:10.3390/f10090817.

61) Guobao Xu*, Xiaohong Liu, Jenson Zhang, Qiong Zhang, Amy Hudson, Valerie Trouet. 2019. Century‑scale temperature variability and onset of industrial‑era warming in the Eastern Tibetan Plateau. Climatic Dynamics 53, 4569-4590, doi.org/10.1007/s00382-019-04807-z.

62) Xiaomin Zeng, Michael N. Evans, Xiaohong Liu*, Wenzhi Wand, Guobao Xu, Guoju Wu. 2019. Spatial patterns of precipitation-induced moisture availability and their effects on the divergence of conifer stem growth in the western and eastern parts of China’s semi-arid region. Forest Ecology Management 451，7524， doi.org/10.1016/j.foreco.2019.117524.

63) Wenling An, Chenxi Xu, Xiaohong Liu, et al. 2019. Specific response of earlywood and latewood δ¹⁸O from the east and west of Mt. Qomolangma to the Indian summer monsoon. Science of Total Environment, 689, 99-108

64) Huhu Kang, Xiaohong Liu*, Junming Guo, Bo Wang, Guobao Xu, Guoju Wu, Shichang Kang，Jie Huang. 2019. Characterization of mercury concentration from soils to needle and tree rings of Schrenk spruce (Picea schrenkiana) of the middle Tianshan Mountains, northwestern China. Ecological Indicators, 104, 24-31.

65) Liangju Zhao*, Xiaohong Liu, Ninglian Wang, et al., 2019. Contribution of recycled moisture to local precipitation in China’s semi-arid the inland Heihe River Basin. Agricultural and Forest Meteorology, 271,316-335

66) Wenzhi Wang, Xiaohong Liu*, Guobao Xu, et al., 2019. CO₂ fertilization confounds tree ring records of regional hydroclimate. Earth and Space Science, 6, 730-740, DOI: 10.1029/2018EA000529.

67) Xiaohong Liu*, Liangju Zhao, Steven Voelker, et al., 2019. Warming and CO₂ enrichment modify the ecophysiological responses of Dahurian larch and Mongolia pine during the past century in the permafrost northeastern China. Tree Physiology, 39，88-103

68) Guobao Xu, Xiaohong Liu*, Trouet V, Treydte K, et al., 2019. Regional drought shifts (1710-2010) in East Central Asia and linkages with atmospheric circulation recorded in tree-ring δ¹⁸O. Climatic Dynamics, 52, 713-727

69) Wenling An, Xiaohong Liu*, Shugui Hou, Xiaomin Zeng, Weizhen Sun, Wenzhi Wang, Yu Wang, Guobao Xu, Jiawen Ren, 2019. Unstable relationships of tree ring δ¹⁸O and climate variables over southwestern China: possible impacts from increasing Central Pacific SSTs. Theoretical and Applied Climatology, 136, 391-402, doi: 10.1007/s00704-018-2483-8

70) Huhu Kang, Xiaohong Liu*, Junming Guo, Guobao Xu, Guoju Wu, Xiaomin Zeng, Bo Wang, Shichang Kang. 2018. Increased mercury pollution revealed by tree rings from the China’s Tianshan Mountains. Science Bulletin, 63,1328-133

71) Guobao Xu, Xiaohong Liu*, Soumaya Belmecheri et al., 2018. Contribution transition of CO₂ concentration and climates to intrinsic water-use efficiency in the arid boreal forest, northwestern China. Forests, 9(10),642, https://doi.org/10.3390/f9100642.

72) Guobao Xu*, Xiaohong Liu, Weizhen Sun, et al., 2018. Application and verification of simultaneous determination of cellulose δ¹³C and δ¹⁸O in Picea shrenkiana tree rings from northwestern China using the high-temperature pyrolysis method. Journal of Arid Land, 10（6）， 864- 876

73) Liangju Zhao, Eastoe Chris, Xiaohong Liu, et al., 2018. Origin and residence time of groundwater based on stable and radioactive isotopes in the Heihe River Basin, northwestern China. Journal of Hydrology: Regional Studies, 18, 31-49

74) Xuanwen Zhang, Xiaohong Liu*, Wenzhi Wang, et al., 2018. Spatiotemporal variability of drought in the northern part of Northeast, China. Hydrological Processes, 32, 1449-1460

75) Xuanwen Zhang, Xiaohong Liu*, Qiuliang Zhang et al., 2018. Species-specific tree growth and intrinsic water-use efficiency of Dahurian larch (Larix gmelinii) and Mongolian pine (Pinus sylvestris var. mongolica) growing in a boreal permafrost region. Agricultural and Forest Meteorology, 248, 145-155

76) Guoju Wu, Xiaohong Liu*, Shichang Kang, et al., 2018. Age-dependent impacts of climate change and intrinsic water-use efficiency on the growth of Schrenk spruce (Picea schrenkiana) in the western Tianshan Mountains, China. Forest Ecology Management, 414, 1-14

77) Xiaomin Zeng, Xiaohong Liu*, Treydte K., Evans M, Wenzhi Wang, Wenling An, et al., 2017. Common variability and climate signals in intra-seasonal, earlywood, latewood and multi-decadal tree-ring δ¹⁸O from southeastern Tibet compared to δ¹³C: insights from observations and forward modeling. New Phytologist, 216， 1104-1118，doi: 10.1111/nph.14750

78) Xiaohong Liu *, Xuanwen Zhang, Liangju Zhao, et al., 2017. Tree-ring δ¹⁸O reveals no long-term change of atmospheric water demand since 1800 in the northern Great Higgnan Mountains, China. Journal of Geophysical Research – Atmosphere, 122，6697-6712，DOI: 10.1002/2017JD026660.

79) Dawen Li, Keyan Fang, Yingjun Li, Deliang Chen, Xiaohong Liu, et al., 2017. Climate, intrinsic water-use efficiency and tree growth over the past 150 years in humid subtropical China. PLOS one, 12(2): e0172045.

80) Ru Huang, Haifeng Zhu, Xiaohong Liu*, et al., 2017. Does increasing intrinsic water use efficiency (iWUE) stimulate tree growth at natural alpine timberline on the southeastern Tibetan Plateau? Global Planetary Change,148, 217-226

81) Bo Wang, Tuo Chen, Guobao Xu, Xiaohong Liu, et al., 2016. Alpine timberline population dynamics under climate change: a comparison between Qilian juniper and Qinghai spruce tree species in the middle Qilian Mountains of northeast Tibetan Plateau. Boreas, doi:10.1111/bor.12161

82) Liangju Zhao, Lixin Wang, Lucas A Cernusak, Xiaohong Liu, et al., 2016. Significant difference in hydrogen isotope composition between xylem and tissue water in Populus euphratica. Plant Cell & Environment, 39, 1848-1857, doi: 10.1111/pce.12753.

83) Xiaoming Zeng, Xiaohong Liu*, Evans MN, et al., 2016. Seasonal incursion of Indian Monsoon humidity and precipitation onto the southeastern Qinghai-Tibetan Plateau inferred from tree ring δ¹⁸O values with intra-seasonal resolution. Earth Planetary Science Letters, 443，9-19，doi:10.1016/j.epsl.2016.03.011.

84) Wenzhi Wang, Xiaohong Liu*, Guobao Xu, et al., 2016. Climatic instability of millennium tree-ring δ¹³C chronology in the northeastern part of Qaidam Basin. Global Planetary Change, 139, 165-172, 10.1016/j.gloplacha.2016.02.006

85) Guoju Wu, Xiaohong Liu*, Tuo Chen, et al. 2015. Elevation-dependent variations of tree growth and iWUE in Schrenk spruce (Picea schrenkiana) in the western Tianshan Mountains, China. Frontiers in Plant Science，6: 309. doi: 10.3389/fpls.2015.00309

86) Guobao Xu, Xiaohong Liu*, Guoju Wu, et al., 2015. Tree ring δ¹⁸O’s indication of a shift to a wetter climate since the 1880s in the western Tianshan Mountains of northwestern China. Journal of Geophysical Research - Atmosphere, 120, 6409-6425, doi: 10.1002/2014 JD023027.

87) Wenzhi Wang, Xiaohong Liu*, Xuemei Shao, et al., 2015. Differential response of the Qilian juniper radial growth to climate variations in the middle of Qilian Mountains and the northeastern Qaidam Basin. Climatic Change, 133, 237-251, doi: 10.1007/s1058 4-015-1467-2.

88) Guoju Wu, Xiaohong Liu*, Tuo Chen, et al., 2015. Long-term variation of tree growth and intrinsic water-use efficiency in Schrenk spruce with increasing CO₂ concentration and climate change in China's Tianshan Mountains. Acta Physiologiae Plantarum, 37, 150, 10.1007/s11738-015-1903-y.

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