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 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

 
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