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  6. 17-07-2013

Nerreman Wetland @ Eltham

Melbourne

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ME_YDI833 Yarra River Catchment

Wednesday 17th July 2013 14:10pm Approved
Notes

Physical Chemical Tests

Ammonium
0.08mg/L NH4+
Dissolved Oxygen mg/L
5mg/L
Electrical Conductivity
540µS/cm
pH
7.2pH Units
Reactive Phosphate (mg/L)
0.07mg/L P
Temperature - AIR
17.3° C
Temperature - WATER
12.4° C
Turbidity - NTU
10NTU

Water Conditions

Weather
Cloudy
Last rainfall
During the last week 17.8
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
51cm - 99cm
Stream width
>5m
Hazards
 
Litter/Pollutants
bottles,cans,packets,plastic,polystyrene

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) 3 1
Image
Beetle larvae (Coleoptera) 4 1
Flatworms (Turbellaria) Flatworms (Turbellaria) 3 4
Image
Freshwater Snails (Gastropoda) 3 2
Image
Leeches (Hirudinea) 3 4
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 9
Image
Mosquito Larvae (Diptera) 2 1
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 11
Image
Segmented Worm (Oligochaeta) 1 17
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 50 Total score: 23 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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