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  4. ME_YMR190
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  6. 14-09-2011

Merri Creek @ O'Hearns Rd, Somerton

Melbourne

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ME_YMR190 Yarra River Catchment

Wednesday 14th September 2011 10:30am Approved
Notes

Physical Chemical Tests

Ammonia-Nitrogen
0mg/L NH3-N
Dissolved Oxygen mg/L
10mg/L
Electrical Conductivity
1580µS/cm
pH
8.5pH Units
Reactive Phosphate (mg/L)
0.05mg/L P
Temperature - AIR
13.7° C
Temperature - WATER
12.3° C
Turbidity - NTU
12NTU

Water Conditions

Weather
Sunny
Last rainfall
Raining now
Flow estimate
 
Water Appearance
Smelly,Milky
Stream depth
 
Stream width
 
Hazards
 
Litter/Pollutants
 

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Caddis-fly Larvae (Trichoptera) 7 1
Image
Mayfly nymph (Ephemeroptera) 7 7
Image
Damselfly Nymph (Odonata) 6 1
Image
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) 3 1
Image
Side Swimmer/Scud (Amphipoda) 4 10
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 3
Image
Biting Midge Larvae (Diptera) 2 17
Image
Segmented Worm (Oligochaeta) 1 4
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 44 Total score: 34 Overall rating: Poor

Diary photos

Physical Chemical Trends

Last data:
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