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 110.5 0.500 1.000 0.235 0.470 Seawater 123.6 0.500 1.000 0.263 0.526 Tidal freshwater 0.9 0.250 0.250 0.001 0.001 Sum At = 235 km2 - - 0.499 0.997 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 Toxic algal blooms Dissolved oxygen Toxic algal blooms Mixing 110.5 0.000 1.000 0.000 0.470 Seawater 123.6 0.000 1.000 0.000 0.526 Tidal freshwater 0.9 0.000 0 0.000 0 Sum At = 235 km2 - - 0.000 0.996 Secondary symptoms level of expression value for the estuary: 1.00 High

  Synthesis

Indices Methods Parameters/ Values / EAR Index category Overall Eutrophic Condition (OEC) PSM Chlorophyll a 0.499 0.75 High High Macroalgal growth 0.997 SSM Dissolved oxygen 0.000 1.00 High Toxic algal blooms 0.996