E8 PHOSPHORUS CONCENTRATION Total-P [mg l-1] Mean of 4 sampling stations, 1981-1990 Depth [m] Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Surface 0.58 0.60 0.46 0.54 0.48 0.45 0.65 0.72 0.83 0.76 0.66 0.61 Total soluble-P [mg l-1] Mean of 4 sampling stations, 1981-1990 Depth [m] Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Surface 0.1 0.09 0.09 0.09 0.1 0.11 0.3 0.44 0.43 0.33 0.19 0.12 Soluble reactive-P [mg l-1] Mean of 4 sampling stations, 1981-1990 Depth [m] Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Surface 0.08 0.05 0.05 0.05 0.09 0.08 0.27 0.37 0.41 0.29 0.18 0.09