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Catchments
Yarra River Catchment
ME_YDI833
Site visits
07-06-2012
Nerreman Wetland @ Eltham
Melbourne
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ME_YDI833 Yarra River Catchment
Thursday 7th June 2012 15:00pm
Approved
Notes
Physical Chemical Tests
Ammonium
0.15
mg/L NH4+
Dissolved Oxygen mg/L
6
mg/L
Electrical Conductivity
690
µS/cm
Filterable Reactive Phosphorus
0.07
mg/L P
pH
7.1
pH Units
Temperature - AIR
12.1
° C
Temperature - WATER
10.8
° C
Turbidity - NTU
13
NTU
Water Conditions
Weather
Cloudy
Last rainfall
During the last week
9.2
Flow estimate
LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
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
Dragonfly Nymph (Odonata)
6
1
Flatworms (Turbellaria)
3
17
Freshwater Snails (Gastropoda)
3
1
Leeches (Hirudinea)
3
2
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera)
4
24
Non Biting Midge Larvae - Bloodworms (Diptera)
1
15
Segmented Worm (Oligochaeta)
1
7
Total bug score
Total abundance
0 - 35
35+
0 - 200
Poor
Good
200+
Fair
Very good
Total abundance: 67
Total score: 20
Overall rating: Poor
Diary photos
No diary entries recorded for this visit
Physical Chemical Trends
Loading chart
Test 1
Ammonia-Nitrogen
Ammonium
Dissolved Oxygen mg/L
Filterable Reactive Phosphorus
Nitrate - Nitrogen
Temperature - WATER
Temperature - AIR
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Turbidity - NTU
Test 2
Ammonia-Nitrogen
Ammonium
Dissolved Oxygen mg/L
Filterable Reactive Phosphorus
Nitrate - Nitrogen
Temperature - WATER
Temperature - AIR
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Turbidity - NTU
Mininum standard
Any level
Level 1
Level 2
Level 3
Level 4
Start date
First data:
End date
Last data:
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03-05-2012
07-06-2012
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