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  6. 24-10-2021

Tirhatuan Wetlands, off Dandenong Creek, Rowville

Melbourne

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ME_DTW100 Dandenong Catchment

Sunday 24th October 2021 9:30am Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
38.96%
Dissolved Oxygen mg/L
3.9mg/L
Electrical Conductivity
250µS/cm
pH
6.1pH Units
Temperature - AIR
13.2° C
Temperature - WATER
15.3° C
Turbidity - FTU
24FTU

Water Conditions

Weather
Sunny
Last rainfall
During the last 24 hours
Flow estimate
FLOOD / OVERBANK: flow is high and water level has exceeded bank capacity and is connecting with floodplain
Water Appearance
Clear
Stream depth
 
Stream width
 
Hazards
 
Litter/Pollutants
 

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Caddis-fly Larvae (Trichoptera) 7 2
Image
Damselfly Nymph (Odonata) 6 1
Flatworms (Turbellaria) Flatworms (Turbellaria) 2 1
Image
Freshwater Snails (Gastropoda) 3 5
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 3
Image
Mosquito Larvae (Diptera) 2 3
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 10
Image
Segmented Worm (Oligochaeta) 1 50
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 75 Total score: 26 Overall rating: Poor

Diary photos

Purple Swamphens with young

Physical Chemical Trends

Last data:
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