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  6. 25-10-2015

Tirhatuan Wetlands, off Dandenong Creek, Rowville

Melbourne

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ME_DTW100 Dandenong Catchment

Sunday 25th October 2015 9:50am Approved
Notes
Present: Dorothea, Judith, Lisa, Ian, Julie
Depth 0.4m, outlet fairly dry

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
44%
Dissolved Oxygen mg/L
4.2mg/L
Electrical Conductivity
330µS/cm
pH
7.1pH Units
Reactive Phosphate (mg/L)
0mg/L P
Temperature - AIR
22° C
Temperature - WATER
17.8° C
Turbidity - FTU
31FTU

Water Conditions

Weather
Sunny
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 5
Image
Dragonfly Nymph (Odonata) 6 2
Image
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) 3 1
Flatworms (Turbellaria) Flatworms (Turbellaria) 3 8
Image
Leeches (Hirudinea) 3 1
Image
Side Swimmer/Scud (Amphipoda) 4 3
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 6
Image
Mosquito Larvae (Diptera) 2 1
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 5
Image
Segmented Worm (Oligochaeta) 1 3
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 35 Total score: 32 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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