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 3.9 1.000 0.250 0.019 0.005 Seawater 201.9 0.500 0.000 0.491 0.000 Sum At = 205.8 km2 - - 0.509 0.005 Primary symptoms level of expression value for the estuary: 0.26 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 3.9 0.000 0.000 0.250 0.000 0.000 0.005 Seawater 201.9 0.000 0.000 1.000 0.000 0.000 0.981 Sum At = 205.8 km2 - - - 0.000 0.000 0.986 Secondary symptoms level of expression value for the estuary: 0.99 High

  Synthesis

Indices Methods Parameters/ Values / EAR Index category Overall Eutrophic Condition (OEC) PSM Chlorophyll a 0.509 0.26 Low Moderate High Macroalgal growth 0.005 SSM Dissolved oxygen 0.000 0.99 High Nuisance algal blooms 0.000 Toxic algal blooms 0.986