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 5.16 1.000 0.000 0.010 0.000 Mixing 366.88 1.000 1.000 0.700 0.700 Seawater 152 0.250 1.000 0.073 0.290 Sum At = 524.04 km2 - - 0.782 0.990 Primary symptoms level of expression value for the estuary: 0.89 High

  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 5.16 0.000 0.250 0.000 0.000 0.002 0.000 Mixing 366.88 0.000 0.250 0.250 0.000 0.175 0.175 Seawater 152 0.500 0.000 0.250 0.145 0.000 0.073 Sum At = 524.04 km2 - - - 0.145 0.177 0.248 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 0.782 0.89 High Moderate Macroalgal growth 0.990 SSM Dissolved oxygen 0.145 0.25 Low Nuisance algal blooms 0.177 Toxic algal blooms 0.248