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  6. 29-04-2023

Gardiners Creek upstream of Blackburn Lake, at Pobblebonk point, adjacent to Vegemite Creek

Melbourne

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ME_YGR006 Yarra River Catchment

Saturday 29th April 2023 10:20am Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
48.54%
Dissolved Oxygen mg/L
5mg/L
Electrical Conductivity
126µS/cm
pH
6.6pH Units
Reactive Phosphate (mg/L)
0.1mg/L P
Temperature - AIR
12° C
Temperature - WATER
14° C
Turbidity - NTU
50NTU

Water Conditions

Weather
Sunny
Last rainfall
During the last 24 hours 6.00
Flow estimate
MEDIUM: flow is normal/typical average flow
Water Appearance
Stained brown,Muddy
Stream depth
1m - 2m
Stream width
2m - 5m
Hazards
 
Litter/Pollutants
bottles,plastic,polystyrene

Habitat

Bank Erosion Stability Bank Vegetation In Stream Cover Riffles Pools Bends Verge Vegetation Overall
Fair 3 Poor 4 Fair 6 Poor 2 Fair 6 21

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Caddis-fly Larvae (Trichoptera) 7 2
Image
Freshwater Shrimp/Prawn (Atyidae) 5 4
Image
Water mites (Acarina) 5 1
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 80
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 11
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 98 Total score: 22 Overall rating: Poor

Diary photos

Pobblebonk Pt structure recently renewed, riparian repair & landscaping to be started as yet
Veg Ck not flowing

Physical Chemical Trends

Last data:
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