Figure 5From: Posidonia oceanica meadow: a low nutrient high chlorophyll (LNHC) system?Ammonium profile in the canopy water in October 1999 Ammonium concentrations (μmol L-1) of the canopy water at 10, 15, 30, 50 and 100 cm above the sediment in the P. oceanica meadow of the Revellata Bay in October 1999.Back to article page