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Catchments
Yarra River Catchment
ME_YMR112
Site visits
06-07-2013
Merri Creek, u/s of St Georges Rd Bridge, North Fitzroy
Melbourne
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ME_YMR112 Yarra River Catchment
Saturday 6th July 2013 14:00pm
Approved
Notes
Physical Chemical Tests
Ammonium
0
mg/L NH4+
Dissolved Oxygen % Saturation
88
%
Dissolved Oxygen mg/L
10
mg/L
Electrical Conductivity
1380
µS/cm
pH
7.8
pH Units
Reactive Phosphate (mg/L)
0.05
mg/L P
Temperature - AIR
14.6
° C
Temperature - WATER
10.8
° C
Turbidity - NTU
15
NTU
Water Conditions
Weather
Last rainfall
Flow estimate
Water Appearance
Stream depth
0 - 50cm
Stream width
Hazards
Litter/Pollutants
Water Bugs
WaterWatch method
Image
Species
Score
Quantity
Caddis-fly Larvae (Trichoptera)
7
23
Aquatic Caterpillars (Lepidoptera)
5
4
Dragonfly Nymph (Odonata)
6
5
Freshwater Shrimp/Prawn (Atyidae)
5
2
Yabbies/Marron/Gilgie Freshwater (Decapoda)
5
1
Flatworms (Turbellaria)
3
2
Freshwater Snails (Gastropoda)
3
3
Leeches (Hirudinea)
3
1
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera)
4
53
Non Biting Midge Larvae - Bloodworms (Diptera)
1
1
Total bug score
Total abundance
0 - 35
35+
0 - 200
Poor
Good
200+
Fair
Very good
Total abundance: 95
Total score: 39
Overall rating: Good
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)
Dissolved Oxygen % Saturation
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)
Dissolved Oxygen % Saturation
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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05-05-2013
06-07-2013
04-08-2013
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