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  6. 15-02-2007

Merri Creek u/s of Coburg Lake

Melbourne

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ME_YMR145 Yarra River Catchment

Thursday 15th February 2007 9:30am Approved
Notes

Physical Chemical Tests

Electrical Conductivity
1670µS/cm
pH
8pH Units
Temperature - AIR
22° C
Temperature - WATER
22.3° C
Turbidity - NTU
10NTU

Water Conditions

Weather
Sunny
Last rainfall
During the last week
Flow estimate
 
Water Appearance
Clear
Stream depth
 
Stream width
 
Hazards
 
Litter/Pollutants
 

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Caddis-fly Larvae (Trichoptera) 7 10
Image
Damselfly Nymph (Odonata) 6 12
Image
Freshwater Shrimp/Prawn (Atyidae) 5 15
Image
Beetle larvae (Coleoptera) 4 2
Image
Leeches (Hirudinea) 3 2
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 100
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 9
Image
Segmented Worm (Oligochaeta) 1 1
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 151 Total score: 31 Overall rating: Poor

Diary photos

Physical Chemical Trends

Last data:
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