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WaterWatch Data Portal

ME_YSC020 Yarra River Catchment

Sunday 22nd January 2017 9:00am Approved
Notes

Physical Chemical Tests

Ammonium
0.07mg/L NH4+
Dissolved Oxygen % Saturation
57.09%
Dissolved Oxygen mg/L
5.4mg/L
Electrical Conductivity
280µS/cm
pH
6.6pH Units
Reactive Phosphate (mg/L)
0.052mg/L P
Temperature - AIR
18° C
Temperature - WATER
18° C
Turbidity - FTU
31FTU

Water Conditions

Weather
Sunny
Last rainfall
During the last week 26.00
Flow estimate
MEDIUM: flow is normal/typical average flow
Water Appearance
Clear
Stream depth
0 - 50cm
Stream width
< 2m
Hazards
 
Litter/Pollutants
paper,plastic,packets

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Caddis-fly Larvae (Trichoptera) 7 1
Image
Damselfly Nymph (Odonata) 6 15
Image
Freshwater Mussel (Bivalvia) 5 2
Image
Yabbies/Marron/Gilgie Freshwater (Decapoda) 5 1
Flatworms (Turbellaria) Flatworms (Turbellaria) 3 25
Image
Freshwater Snails (Gastropoda) 3 25
Image
Leeches (Hirudinea) 3 4
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 2
Image
Biting Midge Larvae (Diptera) 2 1
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 2
Image
Segmented Worm (Oligochaeta) 1 5
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 83 Total score: 39 Overall rating: Good

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data: