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Catchments
Yarra River Catchment
ME_YLY070
Site visits
10-12-2002
Little Yarra River: Immediately upstream of bridge at Caulfied Grammar School, suburb?
Melbourne
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ME_YLY070 Yarra River Catchment
Tuesday 10th December 2002 14:00pm
Approved
Notes
Physical Chemical Tests
Dissolved Oxygen mg/L
7.1
mg/L
Electrical Conductivity
90
µS/cm
Nitrate - Nitrogen
0.26
mg/L
pH
6.6
pH Units
Reactive Phosphate (mg/L)
0
mg/L P
Temperature - WATER
20
° C
Turbidity - NTU
26
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
16
Chironomids
1
5
d. Family Hydrophilidae, Genus Helochares (Beetle adult)
2
2
Water-boatmen
4
5
Caddis-fly Larvae (Trichoptera)
7
20
Mayfly nymph (Ephemeroptera)
7
38
Stonefly nymph (Plecoptera)
8
11
Dragonfly Nymph (Odonata)
6
2
Water mites (Acarina)
5
3
Segmented Worm (Oligochaeta)
1
1
Total bug score
Total abundance
0 - 35
35+
0 - 200
Poor
Good
200+
Fair
Very good
Total abundance: 103
Total score: 34
Overall rating: Poor
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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First data:
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