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WaterWatch Data Portal

ME_YDA090 Yarra River Catchment

Thursday 10th March 2011 14:30pm Approved
Notes

Physical Chemical Tests

Dissolved Oxygen mg/L
4mg/L
Electrical Conductivity
450µS/cm
pH
7.7pH Units
Reactive Phosphate (mg/L)
0.14mg/L P
Temperature - AIR
17.8° C
Temperature - WATER
20.1° C
Turbidity - NTU
10NTU

Water Conditions

Weather
Cloudy
Last rainfall
During the last 24 hours
Flow estimate
Permanent
Water Appearance
Clear,Smelly,Foamy/frothy,Other: little smelly; frothy and blackish
Stream depth
51cm - 99cm
Stream width
2m - 5m
Hazards
 
Litter/Pollutants

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Freshwater shrimp 5 5
h. Family Dytiscidae, Genus Australphilus (Beetle adult) h. Family Dytiscidae, Genus Australphilus (Beetle adult) 0 4
Image
Caddis-fly Larvae (Trichoptera) 7 7
Image
Damselfly Nymph (Odonata) 6 57
Image
Dragonfly Nymph (Odonata) 6 5
Image
Water mites (Acarina) 5 2
Image
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) 3 1
Image
Freshwater Snails (Gastropoda) 3 15
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 35
Image
Fly Larvae -True, Black, Crane, March, Horse, and Soldier Fly Larvae (Diptera) 0 8
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 0 4
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 143 Total score: 37 Overall rating: Good

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data: