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  6. 18-06-2002

Yarra Rvr -50m upstrm of Ruffey Ck

Melbourne

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ME_YYR748 Yarra River Catchment

Tuesday 18th June 2002 13:00pm Approved
Notes

Physical Chemical Tests

Dissolved Oxygen mg/L
8mg/L
Electrical Conductivity
270µS/cm
Nitrate - Nitrogen
0.48mg/L
Reactive Phosphate (mg/L)
0.072mg/L P
Temperature - AIR
12.5° C
Temperature - WATER
10.5° C
Turbidity - NTU
34NTU

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 4
Image
d. Family Hydrophilidae, Genus Helochares (Beetle adult) 2 2
Image
Freshwater shrimp 5 11
Image
Water-boatmen 4 3
Image
Caddis-fly Larvae (Trichoptera) 7 11
Image
Mayfly nymph (Ephemeroptera) 7 10
Image
Water mites (Acarina) 5 2
Image
Segmented Worm (Oligochaeta) 1 1
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 44 Total score: 20 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
We acknowledge and respect Victorian Traditional Owners as the original custodians of Victoria’s land and waters, their unique ability to care for Country and deep spiritual connection to it.
We honour Elders past and present whose knowledge and wisdom has ensured the continuation of culture and traditional practices.
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