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 Chlorophyll a
Seawater 8 0.250 0.250
Sum At = 8 km2 - 0.250
Primary symptoms level of expression value for the estuary: 0.25 Low

 

  Secondary symptoms

 

Zone Area(km2)
(Az)
Value(Vij) Az/At x Vij
Dissolved oxygen Nuisance algal blooms SAV Spatial coverage Toxic algal blooms Dissolved oxygen Nuisance algal blooms SAV Spatial coverage Toxic algal blooms
Seawater 8 0.000 0.500 0.000 0.500 0.000 0.500 0.000 0.500
Sum At = 8 km2 - - - - 0.000 0.500 0.000 0.500
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 0.250 0.25
Low
Moderate
Low
SSM Dissolved oxygen 0.000 0.50
Moderate
Nuisance algal blooms 0.500
SAV Spatial coverage 0.000
Toxic algal blooms 0.500

 
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