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 60.5 0.500 0.028 Seawater 1019.5 0.500 0.472 Sum At = 1080 km2 - 0.500 Primary symptoms level of expression value for the estuary: 0.50 Moderate

  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 60.5 0.000 0.500 0.000 0.500 0.000 0.028 0.000 0.028 Seawater 1019.5 0.500 0.500 0.250 0.500 0.472 0.472 0.236 0.472 Sum At = 1080 km2 - - - - 0.472 0.500 0.236 0.500 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 0.500 0.50 Moderate Moderate SSM Dissolved oxygen 0.472 0.50 Moderate Nuisance algal blooms 0.500 SAV Spatial coverage 0.236 Toxic algal blooms 0.500