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  6. 20-09-2001

Yarra River, immediately upstream of Don River, Launching Place

Melbourne

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ME_YYR365 Yarra River Catchment

Thursday 20th September 2001 11:30am Approved
Notes

Physical Chemical Tests

Dissolved Oxygen mg/L
9.3mg/L
Electrical Conductivity
50µS/cm
Nitrate - Nitrogen
0.21mg/L
pH
6.8pH Units
Reactive Phosphate (mg/L)
0mg/L P
Temperature - WATER
13° C
Turbidity - NTU
10NTU

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 15
Image
o. Family Dytiscidae, Genus Rhantus (Beetle adult) 0 5
Image
Caddis-fly Larvae (Trichoptera) 7 7
Image
Mayfly nymph (Ephemeroptera) 7 50
Image
Stonefly nymph (Plecoptera) 8 20
Image
Toebiters Dobsonflies (Megaloptera) 6 50
Image
Water mites (Acarina) 5 50
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 100
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 297 Total score: 37 Overall rating: Very Good

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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