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  6. 24-05-2007

Merri Creek @ Ida Street

Melbourne

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ME_YMR114 Yarra River Catchment

Thursday 24th May 2007 10:00am Approved
Notes

Physical Chemical Tests

Electrical Conductivity
760µS/cm
pH
8pH Units
Temperature - AIR
19.7° C
Temperature - WATER
13.4° C
Turbidity - NTU
15NTU

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 2
Image
Damselfly Nymph (Odonata) 6 11
Image
Dragonfly Nymph (Odonata) 6 1
Image
Freshwater Shrimp/Prawn (Atyidae) 5 14
Image
Freshwater Snails (Gastropoda) 3 8
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 7
Image
Segmented Worm (Oligochaeta) 1 11
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 54 Total score: 32 Overall rating: Poor

Diary photos

Physical Chemical Trends

Last data:
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