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  6. 27-10-2018

Tirhatuan Wetlands, off Dandenong Creek, Rowville

Melbourne

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ME_DTW100 Dandenong Catchment

Saturday 27th October 2018 10:00am Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
77.43%
Dissolved Oxygen mg/L
7.4mg/L
Electrical Conductivity
260µS/cm
pH
7pH Units
Reactive Phosphate (mg/L)
0.02mg/L P
Temperature - AIR
16.9° C
Temperature - WATER
17.5° C
Turbidity - FTU
29FTU

Water Conditions

Weather
Overcast
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
Damselfly Nymph (Odonata) 6 2
Image
Dragonfly Nymph (Odonata) 6 1
Image
Water mites (Acarina) 5 20
Image
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) 3 3
Image
Beetle larvae (Coleoptera) 4 4
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 2
Image
Mosquito Larvae (Diptera) 2 1
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 10
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 43 Total score: 31 Overall rating: Poor

Diary photos

The edge of the lake where the sample was taken
The lake

Physical Chemical Trends

Last data:
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