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  6. 08-01-2017

Blackburn Lake at Heron Point opposite Naughton Gve Blackburn

Melbourne

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ME_YGR023 Yarra River Catchment

Sunday 8th January 2017 11:00am Approved
Notes

Physical Chemical Tests

Ammonium
0.04mg/L NH4+
Dissolved Oxygen % Saturation
63.79%
Dissolved Oxygen mg/L
5mg/L
Electrical Conductivity
170µS/cm
pH
7.2pH Units
Reactive Phosphate (mg/L)
0.01mg/L P
Temperature - AIR
36.1° C
Temperature - WATER
27.9° C
Turbidity - FTU
35FTU

Water Conditions

Weather
Windy
Last rainfall
More than a week ago
Flow estimate
 
Water Appearance
 
Stream depth
1m - 2m
Stream width
 
Hazards
 
Litter/Pollutants
plastic,other: leaf debris

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Dragonfly Nymph (Odonata) 6 1
Image
Freshwater Shrimp/Prawn (Atyidae) 5 3
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 50
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 54 Total score: 15 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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