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WaterWatch Data Portal

ME_YYR809 Yarra River Catchment

Thursday 18th December 2014 9:15am Approved
Notes

Physical Chemical Tests

Ammonia-Nitrogen
0.91mg/L NH3-N
Dissolved Oxygen mg/L
0.8mg/L
Electrical Conductivity
230µS/cm
pH
6.2pH Units
Reactive Phosphate (mg/L)
0.26mg/L P
Temperature - AIR
21.5° C
Temperature - WATER
19° C
Turbidity - FTU
37FTU
Turbidity - NTU
10NTU

Water Conditions

Weather
Sunny
Last rainfall
More than a week ago
Flow estimate
PERMANENT: wetlands and lakes
Water Appearance
Clear
Stream depth
0 - 50cm
Stream width
50
Hazards
 
Litter/Pollutants

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Caddis-fly Larvae (Trichoptera) 7 2
Image
Damselfly Nymph (Odonata) 6 11
Image
Dragonfly Nymph (Odonata) 6 2
Image
Water mites (Acarina) 5 1
Image
Beetle larvae (Coleoptera) 4 16
Flatworms (Turbellaria) Flatworms (Turbellaria) 3 32
Image
Leeches (Hirudinea) 3 3
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 514
Image
Fly Larvae -True, Black, Crane, March, Horse, and Soldier Fly Larvae (Diptera) 2 6
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 52
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 639 Total score: 40 Overall rating: Very Good

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data: