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 1050.7 0.500 1.000 0.497 0.994 Tidal freshwater 6.3 1.000 0.250 0.006 0.001 Sum At = 1057 km2 - - 0.503 0.996 Primary symptoms level of expression value for the estuary: 0.75 High

  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 1050.7 0.250 0.000 0.000 0.249 0.000 0.000 Tidal freshwater 6.3 0.250 0 0 0.001 0 0 Sum At = 1057 km2 - - - 0.250 0.000 0.000 Secondary symptoms level of expression value for the estuary: 0.25 Low

  Synthesis

Indices Methods Parameters/ Values / EAR Index category Overall Eutrophic Condition (OEC) PSM Chlorophyll a 0.503 0.75 High Moderate Macroalgal growth 0.996 SSM Dissolved oxygen 0.250 0.25 Low Nuisance algal blooms 0.000 Toxic algal blooms 0.000