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Climate change is projected to intensify water stress in many ecosystems and poses threats to their stability, which can be quantified through ecosystem resistance and resilience. Relevant studies mostly focused on multi-year or annual droughts, and in spatially homogeneous or species-specific ecosystems. However, resilience and resistance within complex ecosystems, where different plants exhibit different adaptations and recovery behaviours, are less understood. Using productivity data from satellite-derived GOSIF (Global Orbiting Carbon Observatory-2 Solar-Induced Fluorescence) and flux towers, we examined vegetation responses to short-term (75.0 %) of full recovery (i.e., exceeding baseline after one year) occurred during the wet season in mesic regions, likely due to energy limitation, while arid regions showed a lower likelihood (57.0 %). This study provides a remote sensing framework for quantifying ecosystem resistance and resilience under water stress. • GOSIF GPP aligns with flux-tower GPP and enables quantifying water-stress responses. • Resistance and resilience estimates reveal varying responses across rainfall zones. • Short-term stress responses differ by vegetation type and seasonal timing. • Ecosystem recovery potential was quantified to identify vulnerable ecosystems. • Arid systems may recover more slowly, especially under frequent short-term stress.
Wang et al. (Tue,) studied this question.