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Catchments
Yarra River Catchment
ME_YLY080
Site visits
10-12-2002
Little Yarra River: immediately downstream of Warburton Highway bridge, suburb?
Melbourne
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ME_YLY080 Yarra River Catchment
Tuesday 10th December 2002 12:00pm
Approved
Notes
Physical Chemical Tests
Dissolved Oxygen mg/L
9.2
mg/L
Electrical Conductivity
80
µS/cm
Nitrate - Nitrogen
0.17
mg/L
pH
7.2
pH Units
Reactive Phosphate (mg/L)
0.12
mg/L P
Temperature - WATER
13
° C
Turbidity - NTU
23
NTU
Water Conditions
Weather
Last rainfall
Flow estimate
Water Appearance
Stream depth
Stream width
Hazards
Litter/Pollutants
Water Bugs
WaterWatch method
Image
Species
Score
Quantity
c. Family Atyidae (glass shrimp)
0
3
Chironomids
1
2
Water-boatmen
4
3
Caddis-fly Larvae (Trichoptera)
7
10
Mayfly nymph (Ephemeroptera)
7
55
Stonefly nymph (Plecoptera)
8
28
Dragonfly Nymph (Odonata)
6
1
Yabbies/Marron/Gilgie Freshwater (Decapoda)
5
1
Beetle larvae (Coleoptera)
4
1
Leeches (Hirudinea)
3
1
Total bug score
Total abundance
0 - 35
35+
0 - 200
Poor
Good
200+
Fair
Very good
Total abundance: 105
Total score: 40
Overall rating: Good
Diary photos
No diary entries recorded for this visit
Physical Chemical Trends
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Test 1
Dissolved Oxygen mg/L
Nitrate - Nitrogen
Temperature - WATER
Temperature - AIR
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Turbidity - NTU
Test 2
Dissolved Oxygen mg/L
Nitrate - Nitrogen
Temperature - WATER
Temperature - AIR
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Turbidity - NTU
Mininum standard
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Level 2
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First data:
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11-09-2002
10-12-2002
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