Figure 4

Net (NPP) (part (a) and gross primary productivity (GPP) (part (b) (μmol O2 m−2 h−1) normalized by sediment chlorophyll a content (μg g−1 dry weight of sediment) (mean ± SD) versus assemblage type. NPP/chl a: ANOVA on log10 transformed values: F2,9 = 0.578, p > 0.58; GPP/chl a: ANOVA on untransformed values: F2,9 = 1.67, p > 0.24.