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  6. 03-03-2018

Blackburn Lake at the Landing, a constructed platform on the edge of the lake

Melbourne

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ME_YGR020 Yarra River Catchment

Saturday 3rd March 2018 10:30am Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
55.75%
Dissolved Oxygen mg/L
4.7mg/L
Electrical Conductivity
170µS/cm
pH
6.9pH Units
Reactive Phosphate (mg/L)
0mg/L P
Temperature - AIR
21° C
Temperature - WATER
23.9° C
Turbidity - FTU
35FTU

Water Conditions

Weather
Sunny
Last rainfall
During the last week
Flow estimate
STAGNANT: No continuous flow in channel but channel continuous (in-stream habitats connected)
Water Appearance
Clear,Stained brown
Stream depth
1m - 2m
Stream width
 
Hazards
 
Litter/Pollutants
polystyrene,other: tennis ball

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Caddis-fly Larvae (Trichoptera) 7 8
Image
Mayfly nymph (Ephemeroptera) 7 6
Image
Freshwater Shrimp/Prawn (Atyidae) 5 17
Image
Yabbies/Marron/Gilgie Freshwater (Decapoda) 5 3
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 50
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: 85 Total score: 29 Overall rating: Poor

Diary photos

Physical Chemical Trends

Last data:
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