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  6. 04-11-2018

Blackburn Lake at Heron Point opposite Naughton Gve Blackburn

Melbourne

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ME_YGR023 Yarra River Catchment

Sunday 4th November 2018 11:00am Approved
Notes

Physical Chemical Tests

Ammonium
0.1mg/L NH4+
Dissolved Oxygen % Saturation
67.63%
Dissolved Oxygen mg/L
6.4mg/L
Electrical Conductivity
123µS/cm
pH
6.6pH Units
Reactive Phosphate (mg/L)
0.017mg/L P
Temperature - AIR
18.5° C
Temperature - WATER
18° C
Turbidity - FTU
23FTU

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
Stream depth
1m - 2m
Stream width
 
Hazards
 
Litter/Pollutants
plastic,other: 3 cigarette butts

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Caddis-fly Larvae (Trichoptera) 7 3
Image
Freshwater Shrimp/Prawn (Atyidae) 5 3
Image
Water mites (Acarina) 5 1
Image
Freshwater Snails (Gastropoda) 3 1
Image
Leeches (Hirudinea) 3 1
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 7
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 16 Total score: 27 Overall rating: Poor

Diary photos

Physical Chemical Trends

Last data:
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