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  6. 06-01-2013

Blackburn Lake at Heron Point opposite Naughton Gve Blackburn

Melbourne

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ME_YGR023 Yarra River Catchment

Sunday 6th January 2013 11:00am Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
97%
Dissolved Oxygen mg/L
8mg/L
Electrical Conductivity
190µS/cm
pH
7pH Units
Reactive Phosphate (mg/L)
0.02mg/L P
Temperature - AIR
24° C
Temperature - WATER
23° C
Turbidity - NTU
37NTU

Water Conditions

Weather
Sunny
Last rainfall
More than a week ago
Flow estimate
 
Water Appearance
Stained brown
Stream depth
1m - 2m
Stream width
 
Hazards
 
Litter/Pollutants
cans,polystyrene

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Caddis-fly Larvae (Trichoptera) 7 2
Image
Damselfly Nymph (Odonata) 6 1
Image
Freshwater Shrimp/Prawn (Atyidae) 5 1
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 80
Image
Fly Larvae -True, Black, Crane, March, Horse, and Soldier Fly Larvae (Diptera) 2 1
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 85 Total score: 24 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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