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  6. 25-11-2018

Tirhatuan Wetlands, off Dandenong Creek, Rowville

Melbourne

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ME_DTW100 Dandenong Catchment

Sunday 25th November 2018 10:00am Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
60.43%
Dissolved Oxygen mg/L
5.8mg/L
Electrical Conductivity
210µS/cm
pH
6.7pH Units
Reactive Phosphate (mg/L)
0.043mg/L P
Temperature - AIR
16.9° C
Temperature - WATER
17.3° C
Turbidity - FTU
22FTU

Water Conditions

Weather
Overcast
Last rainfall
During the last 24 hours
Flow estimate
MEDIUM: flow is normal/typical average flow
Water Appearance
Clear
Stream depth
 
Stream width
 
Hazards
 
Litter/Pollutants
 

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Caddis-fly Larvae (Trichoptera) 7 12
Image
Damselfly Nymph (Odonata) 6 3
Image
Water mites (Acarina) 5 4
Image
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) 3 1
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 40
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 1
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 61 Total score: 26 Overall rating: Poor

Diary photos

Australasian Grebe possibly nest-building

Physical Chemical Trends

Last data:
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