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 Chlorophyll a Mixing 1.1 0.250 0.001 Seawater 543.9 0.250 0.249 Sum At = 545 km2 - 0.250 Primary symptoms level of expression value for the estuary: 0.25 Low

  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 1.1 0.250 0.500 0.250 0.000 0.001 0.001 0.001 0.000 Seawater 543.9 0.000 0.500 0.250 0.500 0.000 0.499 0.249 0.499 Sum At = 545 km2 - - - - 0.001 0.500 0.250 0.499 Secondary symptoms level of expression value for the estuary: 0.50 Moderate

  Synthesis

Indices Methods Parameters/ Values / EAR Index category Overall Eutrophic Condition (OEC) PSM Chlorophyll a 0.250 0.25 Low Moderate Low SSM Dissolved oxygen 0.001 0.50 Moderate Nuisance algal blooms 0.500 SAV Spatial coverage 0.250 Toxic algal blooms 0.499