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  6. 26-04-2014

Nerreman Wetland @ Eltham

Melbourne

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ME_YDI833 Yarra River Catchment

Saturday 26th April 2014 9:25am Approved
Notes

Physical Chemical Tests

Ammonium
0.4mg/L NH4+
Dissolved Oxygen mg/L
3mg/L
Electrical Conductivity
300µS/cm
pH
6.8pH Units
Reactive Phosphate (mg/L)
0.15mg/L P
Temperature - AIR
19.8° C
Temperature - WATER
15° C
Turbidity - NTU
10NTU

Water Conditions

Weather
Overcast
Last rainfall
During the last week 8
Flow estimate
LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
Water Appearance
Scummy
Stream depth
51cm - 99cm
Stream width
>5m
Hazards
 
Litter/Pollutants
bottles,cans,packets,paper,plastic,polystyrene,other

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Damselfly Nymph (Odonata) 6 2
Image
Water mites (Acarina) 5 1
Flatworms (Turbellaria) Flatworms (Turbellaria) 3 3
Image
Leeches (Hirudinea) 3 3
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 12
Image
Mosquito Larvae (Diptera) 2 4
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 12
Image
Segmented Worm (Oligochaeta) 1 10
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 47 Total score: 24 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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