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  6. 29-11-2013

Nerreman Wetland @ Eltham

Melbourne

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ME_YDI833 Yarra River Catchment

Friday 29th November 2013 14:15pm Approved
Notes

Physical Chemical Tests

Dissolved Oxygen mg/L
6mg/L
Electrical Conductivity
210µS/cm
pH
6.3pH Units
Reactive Phosphate (mg/L)
0.07mg/L P
Temperature - AIR
17.6° C
Temperature - WATER
19.1° C
Turbidity - NTU
14NTU

Water Conditions

Weather
Cloudy
Last rainfall
During the last 24 hours 9.5
Flow estimate
LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
Water Appearance
Stained brown
Stream depth
51cm - 99cm
Stream width
>5m
Hazards
 
Litter/Pollutants
bottles,cans,packets,paper,plastic,polystyrene

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Damselfly Nymph (Odonata) 6 1
Image
Freshwater Snails (Gastropoda) 3 5
Image
Hydra (Hydrozoa) 4 7
Image
Leeches (Hirudinea) 3 1
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 14
Image
Mosquito Larvae (Diptera) 2 3
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 15
Image
Segmented Worm (Oligochaeta) 1 7
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 53 Total score: 24 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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