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  6. 23-05-2002

Ruffey Ck -final large bend of Ck 80m upstrm from Yarra rvr

Melbourne

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ME_YRF098 Yarra River Catchment

Thursday 23rd May 2002 10:45am Approved
Notes

Physical Chemical Tests

Dissolved Oxygen mg/L
8mg/L
Electrical Conductivity
530µS/cm
Nitrate - Nitrogen
0.89mg/L
pH
7.3pH Units
Reactive Phosphate (mg/L)
0.094mg/L P
Temperature - AIR
15° C
Temperature - WATER
13° C
Turbidity - NTU
30NTU

Water Conditions

Weather
Last rainfall
 
Flow estimate
 
Water Appearance
 
Stream depth
 
Stream width
 
Hazards
 
Litter/Pollutants
 

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Chironomids 1 13
Image
d. Family Hydrophilidae, Genus Helochares (Beetle adult) 2 7
Image
Water mites (Acarina) 5 2
Image
Freshwater Snails (Gastropoda) 3 11
Image
Leeches (Hirudinea) 3 4
Image
Side Swimmer/Scud (Amphipoda) 4 3
Image
Segmented Worm (Oligochaeta) 1 17
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 57 Total score: 16 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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