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Catchments
Yarra River Catchment
ME_YOI012
Site visits
09-07-2002
Olinda Ck. Stonyford Rd. Silvan Res Pk.,lower picnic gnd.
Melbourne
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ME_YOI012 Yarra River Catchment
Tuesday 9th July 2002 12:00pm
Approved
Notes
Physical Chemical Tests
Dissolved Oxygen mg/L
9.3
mg/L
Reactive Phosphate (mg/L)
0.08
mg/L P
Temperature - AIR
12
° C
Temperature - WATER
9
° C
Turbidity - NTU
15
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
1
Freshwater shrimp
5
40
Water-boatmen
4
10
Caddis-fly Larvae (Trichoptera)
7
5
Mayfly nymph (Ephemeroptera)
7
40
Stonefly nymph (Plecoptera)
8
5
Yabbies/Marron/Gilgie Freshwater (Decapoda)
5
1
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: 28
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
Temperature - WATER
Temperature - AIR
Reactive Phosphate (mg/L)
Turbidity - NTU
Test 2
Dissolved Oxygen mg/L
Temperature - WATER
Temperature - AIR
Reactive Phosphate (mg/L)
Turbidity - NTU
Mininum standard
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