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WaterWatch Data Portal

ME_YSC010 Yarra River Catchment

Sunday 18th April 2021 9:30am Approved
Notes

Physical Chemical Tests

Dissolved Oxygen % Saturation
69.96%
Dissolved Oxygen mg/L
7.2mg/L
Electrical Conductivity
460µS/cm
pH
7.1pH Units
Temperature - AIR
15° C
Temperature - WATER
14° C
Turbidity - FTU
10FTU

Water Conditions

Weather
Overcast
Last rainfall
During the last week 14.00
Flow estimate
LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
Water Appearance
Clear
Stream depth
0 - 50cm
Stream width
< 2m
Hazards
 
Litter/Pollutants
paper,plastic,packets,polystyrene

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Caddis-fly Larvae (Trichoptera) 7 2
Image
Damselfly Nymph (Odonata) 6 3
Image
Dragonfly Nymph (Odonata) 6 2
Image
Freshwater Mussel (Bivalvia) 5 2
Image
Freshwater slater (Isopoda) 5 1
Flatworms (Turbellaria) Flatworms (Turbellaria) 2 50
Image
Freshwater Snails (Gastropoda) 3 50
Image
Leeches (Hirudinea) 3 6
Image
Side Swimmer/Scud (Amphipoda) 4 1
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 2
Image
Fly Larvae -True, Black, Crane, March, Horse, and Soldier Fly Larvae (Diptera) 2 6
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 7
Image
Segmented Worm (Oligochaeta) 1 20
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 152 Total score: 49 Overall rating: Good

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data: