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 461.4 0.250 1.000 0.196 0.785 Seawater 96.3 0.500 0.000 0.082 0.000 Tidal freshwater 29.9 0.000 0.000 0.000 0.000 Sum At = 587.6 km2 - - 0.278 0.785 Primary symptoms level of expression value for the estuary: 0.53 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 461.4 0.250 0.250 0.250 0.196 0.196 0.196 Seawater 96.3 0.250 0.250 0.250 0.041 0.041 0.041 Tidal freshwater 29.9 0.000 0.000 0.000 0.000 0.000 0.000 Sum At = 587.6 km2 - - - 0.237 0.237 0.237 Secondary symptoms level of expression value for the estuary: 0.24 Low

  Synthesis

Indices Methods Parameters/ Values / EAR Index category Overall Eutrophic Condition (OEC) PSM Chlorophyll a 0.278 0.53 Moderate Moderate Low Macroalgal growth 0.785 SSM Dissolved oxygen 0.237 0.24 Low Nuisance algal blooms 0.237 Toxic algal blooms 0.237