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  6. 22-09-2013

Tirhatuan Wetlands, off Dandenong Creek, Rowville

Melbourne

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ME_DTW100 Dandenong Catchment

Sunday 22nd September 2013 10:00am Approved
Notes
Present: Ian, Julie, Judith, Dorothea

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
64%
Dissolved Oxygen mg/L
6.3mg/L
Electrical Conductivity
252µS/cm
pH
6.3pH Units
Reactive Phosphate (mg/L)
0.02mg/L P
Temperature - AIR
18.5° C
Temperature - WATER
16° C
Turbidity - FTU
13FTU

Water Conditions

Weather
Sunny
Last rainfall
During the last 24 hours
Flow estimate
PERMANENT: wetlands and lakes
Water Appearance
Clear
Stream depth
 
Stream width
 
Hazards
 
Litter/Pollutants

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Caddis-fly Larvae (Trichoptera) 7 6
Image
Damselfly Nymph (Odonata) 6 2
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 15
Image
Mosquito Larvae (Diptera) 2 20
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 20
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 63 Total score: 20 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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