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 1.28 0.500 0.250 0.001 0.001 Mixing 301.61 1.000 0.250 0.632 0.158 Seawater 170.8 0.000 0.250 0.000 0.090 Tidal freshwater 1.34 0.000 0.250 0.000 0.001 Tidal freshwater 2 0.250 0.250 0.001 0.001 Sum At = 477.03 km2 - - 0.635 0.250 Primary symptoms level of expression value for the estuary: 0.44 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 1.28 0.000 0 0 0.000 0 0 Mixing 301.61 0.500 0.000 0.000 0.316 0.000 0.000 Seawater 170.8 0.250 0 0 0.090 0 0 Tidal freshwater 1.34 0.250 0.000 0.000 0.001 0.000 0.000 Tidal freshwater 2 0.250 0.000 0.000 0.001 0.000 0.000 Sum At = 477.03 km2 - - - 0.407 0.000 0.000 Secondary symptoms level of expression value for the estuary: 0.41 Moderate

  Synthesis

Indices Methods Parameters/ Values / EAR Index category Overall Eutrophic Condition (OEC) PSM Chlorophyll a 0.635 0.44 Moderate Moderate Macroalgal growth 0.250 SSM Dissolved oxygen 0.407 0.41 Moderate Nuisance algal blooms 0.000 Toxic algal blooms 0.000