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  6. 01-04-2007

Merri Creek @ Ida Street

Melbourne

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ME_YMR114 Yarra River Catchment

Sunday 1st April 2007 10:00am Approved
Notes

Physical Chemical Tests

Ammonia-Nitrogen
0.02mg/L NH3-N
Electrical Conductivity
450µS/cm
pH
9pH Units
Reactive Phosphate (mg/L)
0.15mg/L P
Temperature - AIR
22° C
Temperature - WATER
20° C
Turbidity - NTU
10NTU

Water Conditions

Weather
Sunny
Last rainfall
During the last 24 hours
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 20
Image
Damselfly Nymph (Odonata) 6 12
Image
Freshwater Shrimp/Prawn (Atyidae) 5 18
Image
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) 3 10
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 35
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 28
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 123 Total score: 26 Overall rating: Poor

Diary photos

Physical Chemical Trends

Last data:
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