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 17.89 0.000 1.000 0.000 0.380 Mixing 0.74 0.250 0.000 0.004 0.000 Mixing 2.7 0.500 0.000 0.029 0.000 Mixing 0.74 0.250 0.250 0.004 0.004 Mixing 0.98 0.000 0.000 0.000 0.000 Seawater 23.51 0.000 0.000 0.000 0.000 Seawater 0.46 0.250 0.000 0.002 0.000 Sum At = 47.02 km2 - - 0.039 0.384 Primary symptoms level of expression value for the estuary: 0.21 Low

  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 17.89 0.250 0.000 0.000 0.095 0.000 0.000 Mixing 0.74 0.250 0.000 0.000 0.004 0.000 0.000 Mixing 2.7 0.250 0.250 0.000 0.014 0.014 0.000 Mixing 0.74 0.000 0 0 0.000 0 0 Mixing 0.98 0.250 0.000 0.000 0.005 0.000 0.000 Seawater 23.51 0.000 0.000 0.000 0.000 0.000 0.000 Seawater 0.46 0.000 0.250 0.000 0.000 0.002 0.000 Sum At = 47.02 km2 - - - 0.119 0.017 0.000 Secondary symptoms level of expression value for the estuary: 0.12 Low

  Synthesis

Indices Methods Parameters/ Values / EAR Index category Overall Eutrophic Condition (OEC) PSM Chlorophyll a 0.039 0.21 Low Low Macroalgal growth 0.384 SSM Dissolved oxygen 0.119 0.12 Low Nuisance algal blooms 0.017 Toxic algal blooms 0.000