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WaterWatch Data Portal

ME_YSC010 Yarra River Catchment

Sunday 17th February 2013 9:00am Approved
Notes

Physical Chemical Tests

Ammonium
0.04mg/L NH4+
Dissolved Oxygen % Saturation
56%
Dissolved Oxygen mg/L
5mg/L
Electrical Conductivity
460µS/cm
pH
7.4pH Units
Reactive Phosphate (mg/L)
0.072mg/L P
Temperature - AIR
23.5° C
Temperature - WATER
20° C
Turbidity - NTU
14NTU

Water Conditions

Weather
Sunny
Last rainfall
During the last week 3
Flow estimate
LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
Water Appearance
Muddy
Stream depth
0 - 50cm
Stream width
0.5
Hazards
 
Litter/Pollutants
bottles,packets,paper,plastic

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Damselfly Nymph (Odonata) 6 15
Image
Dragonfly Nymph (Odonata) 6 4
Image
Beetle larvae (Coleoptera) 4 1
Flatworms (Turbellaria) Flatworms (Turbellaria) 3 10
Image
Freshwater Snails (Gastropoda) 3 15
Image
Leeches (Hirudinea) 3 6
Image
Roundworms (Nematoda) 3 10
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 3
Image
Fly Larvae -True, Black, Crane, March, Horse, and Soldier Fly Larvae (Diptera) 2 15
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 79 Total score: 33 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data: