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  6. 16-01-2013

Nerreman Wetland @ Eltham

Melbourne

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ME_YDI833 Yarra River Catchment

Wednesday 16th January 2013 9:45am Approved
Notes

Physical Chemical Tests

Ammonium
0.06mg/L NH4+
Dissolved Oxygen mg/L
3.5mg/L
Electrical Conductivity
1030µS/cm
pH
7.1pH Units
Reactive Phosphate (mg/L)
0.04mg/L P
Temperature - AIR
19.6° C
Temperature - WATER
18.9° C
Turbidity - NTU
9NTU

Water Conditions

Weather
Sunny
Last rainfall
More than a week ago 1.6
Flow estimate
LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
Water Appearance
Clear,Stained brown
Stream depth
0 - 50cm
Stream width
>5m
Hazards
 
Litter/Pollutants
bottles,cans,oil,packets,paper,polystyrene

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Damselfly Nymph (Odonata) 6 22
Image
Dragonfly Nymph (Odonata) 6 2
Image
Water mites (Acarina) 5 2
Flatworms (Turbellaria) Flatworms (Turbellaria) 3 23
Image
Freshwater Snails (Gastropoda) 3 1
Image
Leeches (Hirudinea) 3 9
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 64
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 100
Image
Segmented Worm (Oligochaeta) 1 7
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 230 Total score: 31 Overall rating: Fair

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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