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  6. 03-04-2013

Nerreman Wetland @ Eltham

Melbourne

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ME_YDI833 Yarra River Catchment

Wednesday 3rd April 2013 9:30am Approved
Notes

Physical Chemical Tests

Ammonium
0.06mg/L NH4+
Dissolved Oxygen mg/L
5mg/L
Electrical Conductivity
170µS/cm
pH
6.3pH Units
Reactive Phosphate (mg/L)
0.06mg/L P
Temperature - AIR
14.2° C
Temperature - WATER
16.3° C
Turbidity - NTU
21NTU

Water Conditions

Weather
Sunny
Last rainfall
During the last week 23
Flow estimate
LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
Water Appearance
Muddy,Stained green,Stained brown
Stream depth
1m - 2m
Stream width
>5m
Hazards
 
Litter/Pollutants
bottles,cans,packets,paper,plastic,polystyrene,other

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Dragonfly Nymph (Odonata) 6 1
Flatworms (Turbellaria) Flatworms (Turbellaria) 3 18
Image
Leeches (Hirudinea) 3 4
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 30
Image
Fly Larvae -True, Black, Crane, March, Horse, and Soldier Fly Larvae (Diptera) 2 2
Image
Mosquito Larvae (Diptera) 2 6
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 6
Image
Segmented Worm (Oligochaeta) 1 19
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 86 Total score: 21 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
We acknowledge and respect Victorian Traditional Owners as the original custodians of Victoria’s land and waters, their unique ability to care for Country and deep spiritual connection to it.
We honour Elders past and present whose knowledge and wisdom has ensured the continuation of culture and traditional practices.
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