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  6. 30-04-2008

Yarrowee R @ South Durham Bridge

Corangamite

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CO_YAR200 Barwon River Catchment

Wednesday 30th April 2008 11:55am Approved
Notes

Physical Chemical Tests

Dissolved Oxygen % Saturation
82%
Dissolved Oxygen mg/L
9.4mg/L
Electrical Conductivity
1600µS/cm
pH
7pH Units
Reactive Phosphate (mg/L)
0.3mg/L P
Temperature - AIR
13° C
Temperature - WATER
9° C
Turbidity - NTU
9NTU

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
Chironomids 1 100
Image
Caddis-fly Larvae (Trichoptera) 7 1
Image
Mayfly nymph (Ephemeroptera) 7 10
Image
Damselfly Nymph (Odonata) 6 10
Flatworms (Turbellaria) Flatworms (Turbellaria) 3 1
Image
Freshwater Snails (Gastropoda) 3 1
Image
Leeches (Hirudinea) 3 1
Image
Side Swimmer/Scud (Amphipoda) 4 100
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 100
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 324 Total score: 36 Overall rating: Very Good

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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