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WaterWatch Data Portal

ME_YHE020 Yarra River Catchment

Sunday 1st May 2011 9:00am Approved
Notes

Physical Chemical Tests

Dissolved Oxygen mg/L
5.9mg/L
Electrical Conductivity
780µS/cm
Nitrate - Nitrogen
0.16mg/L N
pH
7.2pH Units
Reactive Phosphate (mg/L)
0.02mg/L P
Temperature - AIR
18° C
Temperature - WATER
15° C
Turbidity - FTU
25FTU
Turbidity - NTU
15NTU

Water Conditions

Weather
Overcast
Last rainfall
More than a week ago
Flow estimate
Not Flowing
Water Appearance
Muddy
Stream depth
1m - 2m
Stream width
>5m
Hazards
 
Litter/Pollutants

Water Bugs WaterWatch method

Image Species Score Quantity
Image
h. Order Anostraca (fairy shrimp and introduced sea monkeys) 4 3
Image
Caddis-fly Larvae (Trichoptera) 7 10
Image
Mayfly nymph (Ephemeroptera) 7 50
Image
Damselfly Nymph (Odonata) 6 50
Image
Dragonfly Nymph (Odonata) 6 20
Image
Water mites (Acarina) 5 2
Image
Yabbies/Marron/Gilgie Freshwater (Decapoda) 5 1
Image
Beetle larvae (Coleoptera) 4 2
Flatworms (Turbellaria) Flatworms (Turbellaria) 3 1
Image
Freshwater Snails (Gastropoda) 3 4
Image
Side Swimmer/Scud (Amphipoda) 4 1
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 0 20
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 164 Total score: 50 Overall rating: Good

Diary photos

Physical Chemical Trends

Last data: