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  6. 12-03-2011

Nerreman Wetland @ Eltham

Melbourne

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ME_YDI833 Yarra River Catchment

Saturday 12th March 2011 11:00am Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen mg/L
3mg/L
Electrical Conductivity
420µS/cm
pH
7.3pH Units
Reactive Phosphate (mg/L)
0.05mg/L P
Temperature - AIR
27.3° C
Temperature - WATER
20.1° C
Turbidity - NTU
25NTU

Water Conditions

Weather
Sunny
Last rainfall
During the last week 13
Flow estimate
Slow
Water Appearance
Scummy
Stream depth
51cm - 99cm
Stream width
>5m
Hazards
 
Litter/Pollutants
bottles,cans,packets,paper,plastic,polystyrene,other

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Chironomids 1 203
Image
h. Order Anostraca (fairy shrimp and introduced sea monkeys) 4 8
Image
Damselfly Nymph (Odonata) 6 21
Image
Dragonfly Nymph (Odonata) 6 8
Flatworms (Turbellaria) Flatworms (Turbellaria) 3 35
Image
Freshwater Snails (Gastropoda) 3 6
Image
Leeches (Hirudinea) 3 6
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 1
Image
Biting Midge Larvae (Diptera) 2 2
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 290 Total score: 26 Overall rating: Fair

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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