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Catchments
Yarra River Catchment
ME_YDI833
Site visits
15-05-2013
Nerreman Wetland @ Eltham
Melbourne
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ME_YDI833 Yarra River Catchment
Wednesday 15th May 2013 11:30am
Approved
Notes
Physical Chemical Tests
Ammonium
0.05
mg/L NH4+
Dissolved Oxygen mg/L
8
mg/L
Electrical Conductivity
130
µS/cm
pH
6.9
pH Units
Reactive Phosphate (mg/L)
0.07
mg/L P
Temperature - AIR
14.3
° C
Temperature - WATER
12.9
° C
Turbidity - NTU
19
NTU
Water Conditions
Weather
Overcast
Last rainfall
During the last week
6.2
Flow estimate
HIGH: Less than bankfull and in-stream habitats connected
Water Appearance
Foamy/frothy,Other: stained grey
Stream depth
51cm - 99cm
Stream width
>5m
Hazards
Litter/Pollutants
bottles,cans,packets,paper,plastic,polystyrene
Water Bugs
WaterWatch method
Image
Species
Score
Quantity
Flatworms (Turbellaria)
3
3
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera)
4
17
Biting Midge Larvae (Diptera)
2
11
Fly Larvae -True, Black, Crane, March, Horse, and Soldier Fly Larvae (Diptera)
2
1
Mosquito Larvae (Diptera)
2
1
Segmented Worm (Oligochaeta)
1
4
Total bug score
Total abundance
0 - 35
35+
0 - 200
Poor
Good
200+
Fair
Very good
Total abundance: 37
Total score: 13
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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03-04-2013
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