Overall level of expression of Eutrophic condition

1             High primary symptoms           0,6             Moderate primary symptoms           0,3             Low primary symptoms           0   0,3   0,6   1     Low secondary symptoms   Moderate secondary symptoms   High secondary symptoms

  Primary symptoms 

Zone Area(km2) (Az) Value(Vij) Az/At x Vij Chlorophyll a Macroalgal growth Chlorophyll a Macroalgal growth Mixing 8.7 0.250 0.250 0.181 0.181 Seawater 0.2 0.250 0.250 0.004 0.004 Tidal freshwater 3.1 1.000 0.000 0.258 0.000 Sum At = 12 km2 - - 0.444 0.185 Primary symptoms level of expression value for the estuary: 0.31 Moderate

  Secondary symptoms

Zone Area(km2) (Az) Value(Vij) Az/At x Vij Dissolved oxygen Nuisance algal blooms Toxic algal blooms Dissolved oxygen Nuisance algal blooms Toxic algal blooms Mixing 8.7 0.250 0.000 0.000 0.181 0.000 0.000 Seawater 0.2 0.250 0.000 0.250 0.004 0.000 0.004 Tidal freshwater 3.1 0.250 0.000 0.000 0.065 0.000 0.000 Sum At = 12 km2 - - - 0.250 0.000 0.004 Secondary symptoms level of expression value for the estuary: 0.25 Low

  Synthesis

Indices Methods Parameters/ Values / EAR Index category Overall Eutrophic Condition (OEC) PSM Chlorophyll a 0.444 0.31 Moderate Moderate Low Macroalgal growth 0.185 SSM Dissolved oxygen 0.250 0.25 Low Nuisance algal blooms 0.000 Toxic algal blooms 0.004