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  6. 23-04-2002

Worri Yallock Ck. At Ewan Rd. bridge, Macclesfield

Melbourne

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ME_YWY050 Yarra River Catchment

Tuesday 23rd April 2002 11:00am Approved
Notes

Physical Chemical Tests

Dissolved Oxygen mg/L
5.8mg/L
Electrical Conductivity
100µS/cm
Nitrate - Nitrogen
0.74mg/L
pH
7.1pH Units
Reactive Phosphate (mg/L)
0.13mg/L P
Temperature - AIR
18° C
Temperature - WATER
15.5° C
Turbidity - NTU
13NTU

Water Conditions

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

Water Bugs WaterWatch method

Image Species Score Quantity
c. Family Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 0 3
Image
d. Family Hydrophilidae, Genus Helochares (Beetle adult) 2 25
Image
Caddis-fly Larvae (Trichoptera) 7 3
Image
Mayfly nymph (Ephemeroptera) 7 17
Image
Stonefly nymph (Plecoptera) 8 14
Image
Water mites (Acarina) 5 5
Image
Freshwater Snails (Gastropoda) 3 1
Image
Leeches (Hirudinea) 3 1
Image
Side Swimmer/Scud (Amphipoda) 4 5
Image
Segmented Worm (Oligochaeta) 1 2
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 76 Total score: 38 Overall rating: Good

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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