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 2.1 0.500 0.000 0.002 0.000
Seawater 279.35 1.000 0.000 0.654 0.000
Seawater 135.14 0.250 1.000 0.079 0.317
Seawater 10.38 1.000 0.500 0.024 0.012
Sum At = 426.97 km2 - - 0.760 0.329
Primary symptoms level of expression value for the estuary: 0.54 Moderate

 

  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 2.1 0.000 0.250 0 0.000 0.001 0
Seawater 279.35 0.000 0.250 1.000 0.000 0.164 0.654
Seawater 135.14 0.250 0.250 1.000 0.079 0.079 0.317
Seawater 10.38 0.000 0.250 0.250 0.000 0.006 0.006
Sum At = 426.97 km2 - - - 0.079 0.249 0.978
Secondary symptoms level of expression value for the estuary: 0.98 High

 

  Synthesis

 

Indices Methods Parameters/ Values / EAR Index category
Overall
Eutrophic
Condition
(OEC)
PSM Chlorophyll a 0.760 0.54
Moderate
High
Macroalgal growth 0.329
SSM Dissolved oxygen 0.079 0.98
High
Nuisance algal blooms 0.249
Toxic algal blooms 0.978

 
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