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  6. 16-08-2012

Barwon River @ confluence with Leigh River

Corangamite

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CO_BAR076 Barwon River Catchment

Thursday 16th August 2012 14:00pm Approved
Notes

Physical Chemical Tests

Dissolved Oxygen % Saturation
61%
Dissolved Oxygen mg/L
5.9mg/L
Electrical Conductivity
900µS/cm
pH
7.8pH Units
Reactive Phosphate (mg/L)
0.0067mg/L P
Temperature - AIR
15° C
Temperature - WATER
9.5° C
Turbidity - NTU
53NTU

Water Conditions

Weather
Sunny
Last rainfall
During the last week 15
Flow estimate
LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
Water Appearance
Milky
Stream depth
 
Stream width
 
Hazards
 
Litter/Pollutants

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Caddis-fly Larvae (Trichoptera) 7 24
Image
Damselfly Nymph (Odonata) 6 3
Image
Freshwater Shrimp/Prawn (Atyidae) 5 20
Image
Side Swimmer/Scud (Amphipoda) 4 3
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 220
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 1
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 271 Total score: 27 Overall rating: Fair

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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