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  4. CO_BAR080
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  6. 13-12-2010

Barwon River @ Pollocksford Rd.

Corangamite

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CO_BAR080 Barwon River Catchment

Monday 13th December 2010 16:00pm Approved
Notes

Physical Chemical Tests

Dissolved Oxygen % Saturation
84%
Dissolved Oxygen mg/L
7.2mg/L
Electrical Conductivity
1010µS/cm
pH
7.5pH Units
Reactive Phosphate (mg/L)
0.15mg/L P
Temperature - AIR
24.3° C
Temperature - WATER
21.4° C
Turbidity - NTU
19NTU

Water Conditions

Weather
Last rainfall
 
Flow estimate
 
Water Appearance
 
Stream depth
 
Stream width
 
Hazards
 
Litter/Pollutants
 

Water Bugs WaterWatch method

Image Species Score Quantity
Image
d. Family Hydrophilidae, Genus Helochares (Beetle adult) 2 30
Image
Freshwater shrimp 5 10
Image
Mayfly nymph (Ephemeroptera) 7 100
Image
Stonefly nymph (Plecoptera) 8 10
Image
Dragonfly Nymph (Odonata) 6 1
Image
Water mites (Acarina) 5 5
Flatworms (Turbellaria) Flatworms (Turbellaria) 3 2
Image
Freshwater Snails (Gastropoda) 3 2
Image
Leeches (Hirudinea) 3 35
Image
Side Swimmer/Scud (Amphipoda) 4 250
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 25
Image
Biting Midge Larvae (Diptera) 2 30
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 500 Total score: 44 Overall rating: Very Good

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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