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 2.1 0.500 0.000 0.002 0.000 Seawater 279.35 1.000 0.000 0.654 0.000 Seawater 135.14 0.250 1.000 0.079 0.317 Seawater 10.38 1.000 0.500 0.024 0.012 Sum At = 426.97 km2 - - 0.760 0.329 Primary symptoms level of expression value for the estuary: 0.54 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 2.1 0.000 0.250 0 0.000 0.001 0 Seawater 279.35 0.000 0.250 1.000 0.000 0.164 0.654 Seawater 135.14 0.250 0.250 1.000 0.079 0.079 0.317 Seawater 10.38 0.000 0.250 0.250 0.000 0.006 0.006 Sum At = 426.97 km2 - - - 0.079 0.249 0.978 Secondary symptoms level of expression value for the estuary: 0.98 High

  Synthesis

Indices Methods Parameters/ Values / EAR Index category Overall Eutrophic Condition (OEC) PSM Chlorophyll a 0.760 0.54 Moderate High Macroalgal growth 0.329 SSM Dissolved oxygen 0.079 0.98 High Nuisance algal blooms 0.249 Toxic algal blooms 0.978