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  6. 11-08-2012

Nerreman Wetland @ Eltham

Melbourne

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ME_YDI833 Yarra River Catchment

Saturday 11th August 2012 13:40pm Approved
Notes

Physical Chemical Tests

Ammonium
0.08mg/L NH4+
Dissolved Oxygen mg/L
10mg/L
Electrical Conductivity
370µS/cm
Filterable Reactive Phosphorus
0.04mg/L P
pH
7.8pH Units
Temperature - AIR
12.4° C
Temperature - WATER
11.5° C
Turbidity - NTU
24NTU

Water Conditions

Weather
Cloudy
Last rainfall
During the last week 32.6
Flow estimate
HIGH: Less than bankfull and in-stream habitats connected
Water Appearance
Muddy,Foamy/frothy
Stream depth
1m - 2m
Stream width
>5m
Hazards
 
Litter/Pollutants
bottles,cans,packets,plastic

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Damselfly Nymph (Odonata) 6 1
Image
Dragonfly Nymph (Odonata) 6 1
Flatworms (Turbellaria) Flatworms (Turbellaria) 3 12
Image
Freshwater Snails (Gastropoda) 3 6
Image
Leeches (Hirudinea) 3 3
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 26
Image
Mosquito Larvae (Diptera) 2 3
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 96
Image
Segmented Worm (Oligochaeta) 1 2
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 150 Total score: 28 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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