Detrimental impact of sulfide on the seagrass Zostera marina in dark hypoxia
Fig 4
Fold change of metabolites involved in tissue degradation.
(A) The upper panel shows phytol–an indicator for leave senescence; and (B) the lower panel malondialdehyde (MDA)–an indicator for tissue degradation–in Zostera marina leaves exposed to sulfide intrusion (triangles) and controls (squares). Metabolites levels are calculated as fold-change relative to the data obtained from initial conditions before onset of darkness, hypoxia and sulfide exposure (T0), the time is denoted on the x-axis in minutes after onset of darkness, hypoxia and sulfide exposure. Values represent mean ± SEM. Levels not sharing the same letter indicate significant differences (ANOVA; p < 0.05; Tukey’s posthoc test, p < 0.05).