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  6. 07-12-2013

Williamsons Creek

Corangamite

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CO_WIL010 Barwon River Catchment

Saturday 7th December 2013 15:30pm Approved
Notes

Physical Chemical Tests

Dissolved Oxygen % Saturation
70%
Dissolved Oxygen mg/L
7mg/L
Electrical Conductivity
1850µS/cm
pH
8.6pH Units
Reactive Phosphate (mg/L)
0.11mg/L P
Temperature - AIR
21° C
Temperature - WATER
16° C
Turbidity - NTU
10NTU

Water Conditions

Weather
Cloudy
Last rainfall
During the last week 10
Flow estimate
 
Water Appearance
Stream depth
3
Stream width
3
Hazards
 
Litter/Pollutants

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Mayfly nymph (Ephemeroptera) 7 10
Image
Stonefly nymph (Plecoptera) 8 5
Image
Damselfly Nymph (Odonata) 6 100
Image
Dragonfly Nymph (Odonata) 6 10
Image
Freshwater Shrimp/Prawn (Atyidae) 5 20
Image
Water mites (Acarina) 5 50
Image
Beetle larvae (Coleoptera) 4 20
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 50
Image
Mosquito Larvae (Diptera) 2 10
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 275 Total score: 47 Overall rating: Very Good

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
We acknowledge and respect Victorian Traditional Owners as the original custodians of Victoria’s land and waters, their unique ability to care for Country and deep spiritual connection to it.
We honour Elders past and present whose knowledge and wisdom has ensured the continuation of culture and traditional practices.
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