Fig. 1

Acoustic vulnerability curve (VC_AE) of Fraxinus excelsior L. during dehydration registered by sensor AE₁ (red) and sensor AE₂ (black). Vulnerability values AE₁₂ (filled inverted triangle), AE₅₀ (filled diamond), AE₈₈ (filled square) and AE₁₀₀ (dashed line) are indicated. LDA model outputs for embolism datasets 8, 69 and 120 (open circle) (Table 2), extracted from Fig. 4, are also shown