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Catchments
Yarra River Catchment
ME_YGR023
Site visits
16-10-2012
Blackburn Lake at Heron Point opposite Naughton Gve Blackburn
Melbourne
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ME_YGR023 Yarra River Catchment
Tuesday 16th October 2012 11:00am
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
Caddis-fly Larvae (Trichoptera)
7
2
Mayfly nymph (Ephemeroptera)
7
1
Freshwater Shrimp/Prawn (Atyidae)
5
1
Yabbies/Marron/Gilgie Freshwater (Decapoda)
5
1
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera)
4
40
Non Biting Midge Larvae - Bloodworms (Diptera)
1
30
Total bug score
Total abundance
0 - 35
35+
0 - 200
Poor
Good
200+
Fair
Very good
Total abundance: 75
Total score: 29
Overall rating: Poor
Diary photos
No diary entries recorded for this visit
Physical Chemical Trends
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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 - FTU
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 - FTU
Turbidity - NTU
Mininum standard
Any level
Level 1
Level 2
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First data:
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