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  6. 24-11-2019

Tirhatuan Wetlands, off Dandenong Creek, Rowville

Melbourne

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ME_DTW100 Dandenong Catchment

Sunday 24th November 2019 10:00am Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
43.59%
Dissolved Oxygen mg/L
4mg/L
Electrical Conductivity
240µS/cm
pH
6.8pH Units
Reactive Phosphate (mg/L)
0.05mg/L P
Temperature - AIR
20.8° C
Temperature - WATER
19.5° C
Turbidity - FTU
15FTU

Water Conditions

Weather
Last rainfall
 
Flow estimate
 
Water Appearance
 
Stream depth
 
Stream width
 
Hazards
 
Litter/Pollutants
 

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Caddis-fly Larvae (Trichoptera) 7 22
Image
Damselfly Nymph (Odonata) 6 4
Image
Water mites (Acarina) 5 3
Image
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) 3 3
Image
Beetle larvae (Coleoptera) 4 2
Image
Freshwater Snails (Gastropoda) 3 5
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 10
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 8
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 57 Total score: 33 Overall rating: Poor

Diary photos

Clearing done at the deep pool at the drain entry to the wetlands

Physical Chemical Trends

Last data:
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