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  6. 07-12-2004

Little Yarra River: immediately downstream of Warburton Highway bridge, suburb?

Melbourne

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ME_YLY080 Yarra River Catchment

Tuesday 7th December 2004 11:00am Approved
Notes

Physical Chemical Tests

Electrical Conductivity
80µS/cm
Nitrate - Nitrogen
0.5mg/L
Reactive Phosphate (mg/L)
0mg/L P
Turbidity - NTU
50NTU

Water Conditions

Weather
Last rainfall
 
Flow estimate
 
Water Appearance
 
Stream depth
 
Stream width
 
Hazards
 
Litter/Pollutants
 

Water Bugs WaterWatch method

Image Species Score Quantity
Image
b. Family Elmidae (riffle beetle adult) 0 2
Image
Chironomids 1 3
Image
d. Family Hydrophilidae, Genus Helochares (Beetle adult) 2 3
Image
h. Order Anostraca (fairy shrimp and introduced sea monkeys) 4 3
Image
n. Family Dytiscidae, Genus Eretes (Beetle adult) 0 54
Image
Water-boatmen 4 17
Image
Water-striders 4 16
Image
Caddis-fly Larvae (Trichoptera) 7 41
Image
Stonefly nymph (Plecoptera) 8 24
Image
Dragonfly Nymph (Odonata) 6 1
Image
Water mites (Acarina) 5 5
Image
Beetle larvae (Coleoptera) 4 1
Image
Side Swimmer/Scud (Amphipoda) 4 1
Image
Biting Midge Larvae (Diptera) 2 1
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 172 Total score: 36 Overall rating: Good

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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