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 110.5 0.500 1.000 0.235 0.470
Seawater 123.6 0.500 1.000 0.263 0.526
Tidal freshwater 0.9 0.250 0.250 0.001 0.001
Sum At = 235 km2 - - 0.499 0.997
Primary symptoms level of expression value for the estuary: 0.75 High

 

  Secondary symptoms

 

Zone Area(km2)
(Az)
Value(Vij) Az/At x Vij
Dissolved oxygen Toxic algal blooms Dissolved oxygen Toxic algal blooms
Mixing 110.5 0.000 1.000 0.000 0.470
Seawater 123.6 0.000 1.000 0.000 0.526
Tidal freshwater 0.9 0.000 0 0.000 0
Sum At = 235 km2 - - 0.000 0.996
Secondary symptoms level of expression value for the estuary: 1.00 High

 

  Synthesis

 

Indices Methods Parameters/ Values / EAR Index category
Overall
Eutrophic
Condition
(OEC)
PSM Chlorophyll a 0.499 0.75
High
High
Macroalgal growth 0.997
SSM Dissolved oxygen 0.000 1.00
High
Toxic algal blooms 0.996

 
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