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  6. 25-02-2013

Nerreman Wetland @ Eltham

Melbourne

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ME_YDI833 Yarra River Catchment

Monday 25th February 2013 12:00pm Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen mg/L
2.5mg/L
Electrical Conductivity
440µS/cm
pH
6.9pH Units
Reactive Phosphate (mg/L)
0.9mg/L P
Temperature - AIR
31.4° C
Temperature - WATER
26.4° C
Turbidity - NTU
13NTU

Water Conditions

Weather
Sunny
Last rainfall
During the last week 7.5
Flow estimate
LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
Water Appearance
Scummy,Smelly,Stained brown
Stream depth
1m - 2m
Stream width
>5m
Hazards
 
Litter/Pollutants
bottles,cans,packets,paper,polystyrene

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Dragonfly Nymph (Odonata) 6 11
Image
Freshwater Mussel (Bivalvia) 5 9
Flatworms (Turbellaria) Flatworms (Turbellaria) 3 9
Image
Leeches (Hirudinea) 3 4
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 19
Image
Mosquito Larvae (Diptera) 2 1
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 82
Image
Segmented Worm (Oligochaeta) 1 60
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 195 Total score: 24 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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