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  6. 07-01-2018

Blackburn Lake at Heron Point opposite Naughton Gve Blackburn

Melbourne

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ME_YGR023 Yarra River Catchment

Sunday 7th January 2018 11:00am Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
93.83%
Dissolved Oxygen mg/L
7.5mg/L
Electrical Conductivity
190µS/cm
pH
7.2pH Units
Reactive Phosphate (mg/L)
0.047mg/L P
Temperature - AIR
24.5° C
Temperature - WATER
26.8° C
Turbidity - FTU
37FTU

Water Conditions

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

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Caddis-fly Larvae (Trichoptera) 7 4
Image
Damselfly Nymph (Odonata) 6 2
Image
Freshwater Shrimp/Prawn (Atyidae) 5 45
Image
Water mites (Acarina) 5 10
Image
Yabbies/Marron/Gilgie Freshwater (Decapoda) 5 5
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 66 Total score: 28 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
We acknowledge and respect Victorian Traditional Owners as the original custodians of Victoria’s land and waters, their unique ability to care for Country and deep spiritual connection to it.
We honour Elders past and present whose knowledge and wisdom has ensured the continuation of culture and traditional practices.
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