ASSETS

  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 123.5 1.000 1.000 0.957 0.957
Seawater 4.5 0.000 0.000 0.000 0.000
Tidal freshwater 1 0.500 0.000 0.004 0.000
Sum At = 129 km2 - - 0.961 0.957
Primary symptoms level of expression value for the estuary: 0.96 High

 

  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 123.5 0.500 0.250 0 0.479 0.239 0
Seawater 4.5 0.250 0.000 0.000 0.009 0.000 0.000
Tidal freshwater 1 1.000 0.000 1.000 0.008 0.000 0.008
Sum At = 129 km2 - - - 0.495 0.239 0.008
Secondary symptoms level of expression value for the estuary: 0.50 Moderate

 

  Synthesis

 

Indices Methods Parameters/ Values / EAR Index category
Overall
Eutrophic
Condition
(OEC)
PSM Chlorophyll a 0.961 0.96
High
Moderate
High
Macroalgal growth 0.957
SSM Dissolved oxygen 0.495 0.50
Moderate
Nuisance algal blooms 0.239
Toxic algal blooms 0.008

 
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