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 31.08 1.000 0.000 0.353 0.000 Mixing 10.36 1.000 0.000 0.118 0.000 Mixing 31.08 0.500 0.000 0.177 0.000 Seawater 15.5 0.250 0.250 0.044 0.044 Sum At = 88.02 km2 - - 0.691 0.044 Primary symptoms level of expression value for the estuary: 0.37 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 31.08 0.500 1.000 0.250 0.177 0.353 0.088 Mixing 10.36 0.500 1.000 0.250 0.059 0.118 0.029 Mixing 31.08 0.000 1.000 0.250 0.000 0.353 0.088 Seawater 15.5 0.000 0.000 0 0.000 0.000 0 Sum At = 88.02 km2 - - - 0.235 0.824 0.206 Secondary symptoms level of expression value for the estuary: 0.82 High

  Synthesis

Indices Methods Parameters/ Values / EAR Index category Overall Eutrophic Condition (OEC) PSM Chlorophyll a 0.691 0.37 Moderate High Macroalgal growth 0.044 SSM Dissolved oxygen 0.235 0.82 High Nuisance algal blooms 0.824 Toxic algal blooms 0.206