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  6. 22-04-2002

Yarra River, 150 metres downstream of Don River, Launching Place

Melbourne

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ME_YYR366 Yarra River Catchment

Monday 22nd April 2002 13:30pm Approved
Notes

Physical Chemical Tests

Dissolved Oxygen mg/L
7.8mg/L
Electrical Conductivity
50µS/cm
Nitrate - Nitrogen
0.07mg/L
pH
7.1pH Units
Reactive Phosphate (mg/L)
0.08mg/L P
Temperature - AIR
21° C
Temperature - WATER
14.2° C
Turbidity - NTU
25NTU

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
Freshwater shrimp 5 3
Image
Water-boatmen 4 20
Image
Caddis-fly Larvae (Trichoptera) 7 5
Image
Mayfly nymph (Ephemeroptera) 7 100
Image
Stonefly nymph (Plecoptera) 8 4
Image
Freshwater slater (Isopoda) 5 1
Image
Yabbies/Marron/Gilgie Freshwater (Decapoda) 5 1
Image
Segmented Worm (Oligochaeta) 1 6
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 140 Total score: 33 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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