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WaterWatch Data Portal

ME_YMO105 Yarra River Catchment

Sunday 27th January 2008 10:30am Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
87.71%
Dissolved Oxygen mg/L
7.4mg/L
Electrical Conductivity
1800µS/cm
pH
8.2pH Units
Reactive Phosphate (mg/L)
0.05mg/L P
Temperature - AIR
25.8° C
Temperature - WATER
23.6° C
Turbidity - NTU
10NTU

Water Conditions

Weather
Overcast
Last rainfall
More than a week ago
Flow estimate
 
Water Appearance
Clear
Stream depth
 
Stream width
 
Hazards
 
Litter/Pollutants
 

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Damselfly Nymph (Odonata) 6 6
Image
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) 3 30
Flatworms (Turbellaria) Flatworms (Turbellaria) 3 3
Image
Freshwater Snails (Gastropoda) 3 50
Image
Leeches (Hirudinea) 3 4
Image
Roundworms (Nematoda) 3 9
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 33
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 135 Total score: 24 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data: