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  6. 15-12-2019

Elster Creek

Melbourne

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ME_DEL300 Dandenong Catchment

Sunday 15th December 2019 9:30am Approved
Notes

Physical Chemical Tests

Ammonium
0.15mg/L NH4+
Dissolved Oxygen % Saturation
22.31%
Dissolved Oxygen mg/L
2.1mg/L
Electrical Conductivity
1840µS/cm
pH
7.1pH Units
Reactive Phosphate (mg/L)
0.25mg/L P
Temperature - AIR
18° C
Temperature - WATER
17° C
Turbidity - NTU
10NTU

Water Conditions

Weather
Overcast
Last rainfall
More than a week ago
Flow estimate
LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
Water Appearance
Clear
Stream depth
0 - 50cm
Stream width
2m - 5m
Hazards
 
Litter/Pollutants
paper,plastic

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Damselfly Nymph (Odonata) 6 31
Image
Dragonfly Nymph (Odonata) 6 3
Flatworms (Turbellaria) Flatworms (Turbellaria) 2 15
Image
Freshwater Snails (Gastropoda) 3 12
Image
Leeches (Hirudinea) 3 5
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 4
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 4
Image
Segmented Worm (Oligochaeta) 1 29
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 103 Total score: 26 Overall rating: Poor

Diary photos

from upstream bridge
across
downstream
from bridge
upstream

Physical Chemical Trends

Last data:
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