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Triggers of tree mortality under drought

Author

Listed:
  • Brendan Choat

    (Hawkesbury Institute for the Environment, Western Sydney University)

  • Timothy J. Brodribb

    (School of Biological Sciences, University of Tasmania)

  • Craig R. Brodersen

    (School of Forestry and Environmental Studies, Yale University)

  • Remko A. Duursma

    (Hawkesbury Institute for the Environment, Western Sydney University)

  • Rosana López

    (Hawkesbury Institute for the Environment, Western Sydney University
    PIAF, INRA, Université Clermont Auvergne)

  • Belinda E. Medlyn

    (Hawkesbury Institute for the Environment, Western Sydney University)

Abstract

Severe droughts have caused widespread tree mortality across many forest biomes with profound effects on the function of ecosystems and carbon balance. Climate change is expected to intensify regional-scale droughts, focusing attention on the physiological basis of drought-induced tree mortality. Recent work has shown that catastrophic failure of the plant hydraulic system is a principal mechanism involved in extensive crown death and tree mortality during drought, but the multi-dimensional response of trees to desiccation is complex. Here we focus on the current understanding of tree hydraulic performance under drought, the identification of physiological thresholds that precipitate mortality and the mechanisms of recovery after drought. Building on this, we discuss the potential application of hydraulic thresholds to process-based models that predict mortality.

Suggested Citation

  • Brendan Choat & Timothy J. Brodribb & Craig R. Brodersen & Remko A. Duursma & Rosana López & Belinda E. Medlyn, 2018. "Triggers of tree mortality under drought," Nature, Nature, vol. 558(7711), pages 531-539, June.
    • Handle: RePEc:nat:nature:v:558:y:2018:i:7711:d:10.1038_s41586-018-0240-x
    DOI: 10.1038/s41586-018-0240-x
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    Cited by:

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    3. Zihao Man & Shengquan Che & Changkun Xie & Ruiyuan Jiang & Anze Liang & Hao Wu, 2021. "Effect of Climate Change on CO 2 Flux in Temperate Grassland, Subtropical Artificial Coniferous Forest and Tropical Rain Forest Ecosystems," IJERPH, MDPI, vol. 18(24), pages 1-18, December.
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    6. Liu, Qiuyu & Peng, Changhui & Schneider, Robert & Cyr, Dominic & Liu, Zelin & Zhou, Xiaolu & Kneeshaw, Daniel, 2021. "TRIPLEX-Mortality model for simulating drought-induced tree mortality in boreal forests: Model development and evaluation," Ecological Modelling, Elsevier, vol. 455(C).
    7. Zihe, Liu & Guodong, Jia & Xinxiao, Yu & Weiwei, Lu & Libo, Sun & Yusong, Wang & Baheti, Zierdie, 2021. "Morphological trait as a determining factor for Populus simonii Carr. to survive from drought in semi-arid region," Agricultural Water Management, Elsevier, vol. 253(C).
    8. Dang, Hongzhong & Han, Hui & Chen, Shuai & Li, Mingyang, 2021. "A fragile soil moisture environment exacerbates the climate change-related impacts on the water use by Mongolian Scots pine (Pinus sylvestris var. mongolica) in northern China: Long-term observations," Agricultural Water Management, Elsevier, vol. 251(C).
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    10. Scheiter, Simon & Kumar, Dushyant & Pfeiffer, Mirjam & Langan, Liam, 2024. "Modeling drought mortality and resilience of savannas and forests in tropical Asia," Ecological Modelling, Elsevier, vol. 494(C).
    11. Xianliang Zhang & Tim Rademacher & Hongyan Liu & Lu Wang & Rubén D. Manzanedo, 2023. "Fading regulation of diurnal temperature ranges on drought-induced growth loss for drought-tolerant tree species," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    12. Guo, Youzheng & Ma, Yingjun & Ding, Changjun & Di, Nan & Liu, Yang & Tan, Jianbiao & Zhang, Shusen & Yu, Weichen & Gao, Guixi & Duan, Jie & Xi, Benye & Li, Ximeng, 2023. "Plant hydraulics provide guidance for irrigation management in mature polar plantation," Agricultural Water Management, Elsevier, vol. 275(C).
    13. Da Sois, Luca & Mencuccini, Maurizio & Castells, Eva & Sanchez-Martinez, Pablo & Martínez-Vilalta, Jordi, 2024. "How are physiological responses to drought modulated by water relations and leaf economics’ traits in woody plants?," Agricultural Water Management, Elsevier, vol. 291(C).
    14. Zhao Li & Philippe Ciais & Jonathon S. Wright & Yong Wang & Shu Liu & Jingmeng Wang & Laurent Z. X. Li & Hui Lu & Xiaomeng Huang & Lei Zhu & Daniel S. Goll & Wei Li, 2023. "Increased precipitation over land due to climate feedback of large-scale bioenergy cultivation," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    15. Song, Lining & Zhu, Jiaojun & Zheng, Xiao & Li, Xinjunyan & Wang, Kai & Zhang, Jinxin & Wang, Guochen & Sun, Haihong, 2023. "Water use dynamics of trees in a Pinus tabuliformis plantation in semiarid sandy regions, Northeast China," Agricultural Water Management, Elsevier, vol. 275(C).
    16. Mengyuan Zhang & Shuaipeng Chen & Wenping Liu, 2023. "Disentangling the Complexity of Regional Ecosystem Degradation: Uncovering the Interconnected Natural-Social Drivers of Quantity and Quality Loss," Land, MDPI, vol. 12(7), pages 1-18, June.

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