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 18.29 0.250 0 0.003 0 Seawater 168.52 0.250 0 0.025 0 Seawater 666.71 0.250 1.000 0.100 0.401 Seawater 809.48 0.500 1.000 0.243 0.487 Sum At = 1663 km2 - - 0.372 0.888 Primary symptoms level of expression value for the estuary: 0.63 High

  Secondary symptoms

Zone Area(km2) (Az) Value(Vij) Az/At x Vij Dissolved oxygen Nuisance algal blooms SAV Spatial coverage Toxic algal blooms Dissolved oxygen Nuisance algal blooms SAV Spatial coverage Toxic algal blooms Mixing 18.29 1.000 0.000 0.250 0.000 0.011 0.000 0.003 0.000 Seawater 168.52 1.000 1.000 0.500 0.500 0.101 0.101 0.051 0.051 Seawater 666.71 1.000 0.000 0.000 0 0.401 0.000 0.000 0 Seawater 809.48 1.000 1.000 1.000 0 0.487 0.487 0.487 0 Sum At = 1663 km2 - - - - 1.000 0.588 0.053 0.537 Secondary symptoms level of expression value for the estuary: 1.00 High

  Synthesis

Indices Methods Parameters/ Values / EAR Index category Overall Eutrophic Condition (OEC) PSM Chlorophyll a 0.372 0.63 High High Macroalgal growth 0.888 SSM Dissolved oxygen 1.000 1.00 High Nuisance algal blooms 0.588 SAV Spatial coverage 0.053 Toxic algal blooms 0.537