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  6. 28-07-2019

Tirhatuan Wetlands, off Dandenong Creek, Rowville

Melbourne

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ME_DTW100 Dandenong Catchment

Sunday 28th July 2019 9:30am Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
52.92%
Dissolved Oxygen mg/L
5.9mg/L
Electrical Conductivity
220µS/cm
pH
6.7pH Units
Reactive Phosphate (mg/L)
0.01mg/L P
Temperature - AIR
11.2° C
Temperature - WATER
10.5° C
Turbidity - FTU
26FTU

Water Conditions

Weather
Cloudy
Last rainfall
During the last week
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
Water mites (Acarina) 5 12
Flatworms (Turbellaria) Flatworms (Turbellaria) 2 1
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 5
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 3
Image
Segmented Worm (Oligochaeta) 1 1
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 22 Total score: 13 Overall rating: Poor

Diary photos

Lake full and mystery chairs appeared

Physical Chemical Trends

Last data:
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