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  6. 02-10-2017

Blackburn Lake at Heron Point opposite Naughton Gve Blackburn

Melbourne

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ME_YGR023 Yarra River Catchment

Monday 2nd October 2017 12:00pm Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
104.16%
Dissolved Oxygen mg/L
10mg/L
Electrical Conductivity
150µS/cm
pH
6.6pH Units
Reactive Phosphate (mg/L)
0.007mg/L P
Temperature - AIR
15° C
Temperature - WATER
17.3° C
Turbidity - FTU
17FTU

Water Conditions

Weather
Overcast
Last rainfall
More than a week ago
Flow estimate
MEDIUM: flow is normal/typical average flow
Water Appearance
 
Stream depth
1m - 2m
Stream width
 
Hazards
 
Litter/Pollutants
 

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Caddis-fly Larvae (Trichoptera) 7 3
Image
Mayfly nymph (Ephemeroptera) 7 1
Image
Freshwater Shrimp/Prawn (Atyidae) 5 8
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 30
Image
Mosquito Larvae (Diptera) 2 1
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 2
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 45 Total score: 26 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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