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Catchments
Yarra River Catchment
ME_YWY050
Site visits
04-03-2004
Worri Yallock Ck. At Ewan Rd. bridge, Macclesfield
Melbourne
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ME_YWY050 Yarra River Catchment
Thursday 4th March 2004 12:45pm
Approved
Notes
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
2
i. Order Notostraca (shield shrimp, tadpole shrimp)
5
2
Water-boatmen
4
42
Mayfly nymph (Ephemeroptera)
7
24
Stonefly nymph (Plecoptera)
8
3
Dragonfly Nymph (Odonata)
6
3
Yabbies/Marron/Gilgie Freshwater (Decapoda)
5
1
Flatworms (Turbellaria)
3
5
Freshwater Snails (Gastropoda)
3
11
Total bug score
Total abundance
0 - 35
35+
0 - 200
Poor
Good
200+
Fair
Very good
Total abundance: 93
Total score: 31
Overall rating: Poor
Diary photos
No diary entries recorded for this visit
Physical Chemical Trends
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Test 1
Ammonia-Nitrogen
Dissolved Oxygen mg/L
Nitrate - Nitrogen
Temperature - WATER
Temperature - AIR
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Turbidity - NTU
Test 2
Ammonia-Nitrogen
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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03-06-2003
04-03-2004
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