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  6. 12-04-2006

Merri Creek u/s of Coburg Lake

Melbourne

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ME_YMR145 Yarra River Catchment

Wednesday 12th April 2006 10:00am Approved
Notes

Physical Chemical Tests

Electrical Conductivity
1430µS/cm
pH
7.9pH Units
Temperature - AIR
20° C
Temperature - WATER
15° C
Turbidity - NTU
10NTU

Water Conditions

Weather
Sunny
Last rainfall
More than a week ago
Flow estimate
 
Water Appearance
Clear
Stream depth
 
Stream width
 
Hazards
 
Litter/Pollutants
 

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Damselfly Nymph (Odonata) 6 4
Image
Freshwater Shrimp/Prawn (Atyidae) 5 13
Image
Freshwater Snails (Gastropoda) 3 3
Image
Leeches (Hirudinea) 3 3
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 100
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 5
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 128 Total score: 22 Overall rating: Poor

Diary photos

Physical Chemical Trends

Last data:
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