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 2.7 1.000 0.250 0.051 0.013 Seawater 29.43 1.000 0.000 0.555 0.000 Seawater 20.92 0.250 0.250 0.099 0.099 Sum At = 53.05 km2 - - 0.704 0.111 Primary symptoms level of expression value for the estuary: 0.41 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 2.7 0.000 0.000 0.000 0.000 0.000 0.000 Seawater 29.43 0.000 0.000 1.000 0.000 0.000 0.555 Seawater 20.92 0.000 0 0 0.000 0 0 Sum At = 53.05 km2 - - - 0.000 0.000 0.555 Secondary symptoms level of expression value for the estuary: 0.55 Moderate

  Synthesis

Indices Methods Parameters/ Values / EAR Index category Overall Eutrophic Condition (OEC) PSM Chlorophyll a 0.704 0.41 Moderate Moderate Macroalgal growth 0.111 SSM Dissolved oxygen 0.000 0.55 Moderate Nuisance algal blooms 0.000 Toxic algal blooms 0.555