Drought type determines the pattern of ecological response to drought in trees with different sensitivities

IF 3.9 2区农林科学 Q1 AGRONOMY

Plant and Soil Pub Date : 2025-03-21 DOI:10.1007/s11104-025-07365-y

Xuge Wang, Liang Jiao, Ruhong Xue, Peng Zhang, Qian Li, Xin Yuan

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引用次数: 0

Abstract

Aims

The increase in the frequency, magnitude and duration of drought events resulting from climate warming is modifying global tree growth distribution patterns and ecological functions, while also impairing trees' capacity to withstand water stress. However, the underlying ecological response mechanisms of trees to various types of droughts remain unclear.

Methods

We delineated the spatial distribution of tree drought sensitivity. Additionally, we examined the response characteristics towards atmospheric drought, soil drought, and compound drought for tree growth with different sensitivities, along with identifying key drivers influencing changes in tree resilience.

Results

The findings revealed that: 1) Drought suppression trees showed greater vulnerability and the highest growth reduction, while drought promoting trees had better resistance and the shortest recovery period. 2) Variations were observed in the response patterns of trees towards different types of droughts, showing that soil and compound drought exerted more constraints on tree growth with the greater variability in resilience compared to atmospheric drought. 3) The resilience indices change had latitude pattern and was controlled by humidity condition before and after drought. With the improvement of water conditions before and after drought, drought resistance and recovery of drought suppression trees became worse and stronger respectively. The resilience indices change pattern of drought promoting type was quite the opposite. The study enhances our understanding of the tree ecological responses mechanisms to diverse forms of drought based on their varying levels of sensitivity, which is helpful for targeted measures to severe drought events for maintaining forest health and sustainable development under climate warming.

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来源期刊

Plant and Soil 农林科学-农艺学

CiteScore

8.20

自引率

8.20%

发文量

543

审稿时长

2.5 months

期刊介绍： Plant and Soil publishes original papers and review articles exploring the interface of plant biology and soil sciences, and that enhance our mechanistic understanding of plant-soil interactions. We focus on the interface of plant biology and soil sciences, and seek those manuscripts with a strong mechanistic component which develop and test hypotheses aimed at understanding underlying mechanisms of plant-soil interactions. Manuscripts can include both fundamental and applied aspects of mineral nutrition, plant water relations, symbiotic and pathogenic plant-microbe interactions, root anatomy and morphology, soil biology, ecology, agrochemistry and agrophysics, as long as they are hypothesis-driven and enhance our mechanistic understanding. Articles including a major molecular or modelling component also fall within the scope of the journal. All contributions appear in the English language, with consistent spelling, using either American or British English.