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 2.7 0.250 0.250 0.067 0.067 Seawater 5.9 0.500 0.250 0.292 0.146 Tidal freshwater 1.5 0.250 0.250 0.037 0.037 Sum At = 10.1 km2 - - 0.396 0.250 Primary symptoms level of expression value for the estuary: 0.32 Moderate

  Secondary symptoms

Zone Area(km2) (Az) Value(Vij) Az/At x Vij Dissolved oxygen Dissolved oxygen Mixing 2.7 0.250 0.067 Seawater 5.9 0.000 0.000 Tidal freshwater 1.5 0.000 0.000 Sum At = 10.1 km2 - 0.067 Secondary symptoms level of expression value for the estuary: 0.07 Low

  Synthesis

Indices Methods Parameters/ Values / EAR Index category Overall Eutrophic Condition (OEC) PSM Chlorophyll a 0.396 0.32 Moderate Moderate Low Macroalgal growth 0.250 SSM Dissolved oxygen 0.067 0.07 Low