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WaterWatch Data Portal

ME_YYR808 Yarra River Catchment

Friday 20th November 2015 10:20am Approved
Notes

Physical Chemical Tests

Ammonia-Nitrogen
0.28mg/L NH3-N
Dissolved Oxygen mg/L
1.9mg/L
Electrical Conductivity
530µS/cm
Reactive Phosphate (mg/L)
0.42mg/L P
Temperature - AIR
22° C
Temperature - WATER
20.2° C
Turbidity - FTU
18FTU
Turbidity - NTU
9NTU

Water Conditions

Weather
Cloudy
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
Water mites (Acarina) 5 14
Image
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) 3 2
Image
Beetle larvae (Coleoptera) 4 2
Flatworms (Turbellaria) Flatworms (Turbellaria) 3 64
Image
Freshwater Snails (Gastropoda) 3 1
Image
Leeches (Hirudinea) 3 12
Image
Roundworms (Nematoda) 3 8
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 33
Image
Fly Larvae -True, Black, Crane, March, Horse, and Soldier Fly Larvae (Diptera) 2 2
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 17
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 155 Total score: 30 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data: