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  6. 30-07-2007

Merri Creek downstream of Rushall Station, Fitzroy

Melbourne

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ME_YMR009 Yarra River Catchment

Monday 30th July 2007 11:00am Approved
Notes

Physical Chemical Tests

Electrical Conductivity
830µS/cm
pH
8.3pH Units
Temperature - AIR
12° C
Temperature - WATER
10.5° C

Water Conditions

Weather
Overcast
Last rainfall
During the last 24 hours
Flow estimate
 
Water Appearance
Other
Stream depth
 
Stream width
 
Hazards
 
Litter/Pollutants
 

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Caddis-fly Larvae (Trichoptera) 7 32
Image
Damselfly Nymph (Odonata) 6 20
Image
Freshwater Shrimp/Prawn (Atyidae) 5 4
Image
Freshwater Snails (Gastropoda) 3 30
Image
Roundworms (Nematoda) 3 1
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 6
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 2
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 95 Total score: 29 Overall rating: Poor

Diary photos

Physical Chemical Trends

Last data:
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