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  6. 23-11-2014

Tirhatuan Wetlands, off Dandenong Creek, Rowville

Melbourne

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ME_DTW100 Dandenong Catchment

Sunday 23rd November 2014 10:00am Approved
Notes
Present: Julie, Ian, Judith, Dorothea
Depth 0.48m
Common froglets and striped marsh frogs calling

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
44%
Dissolved Oxygen mg/L
3.7mg/L
Electrical Conductivity
260µS/cm
pH
7.2pH Units
Reactive Phosphate (mg/L)
0.03mg/L P
Temperature - AIR
23.5° C
Temperature - WATER
23.6° C
Turbidity - FTU
42FTU

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
Caddis-fly Larvae (Trichoptera) 7 50
Image
Damselfly Nymph (Odonata) 6 20
Image
Dragonfly Nymph (Odonata) 6 3
Image
Freshwater Mussel (Bivalvia) 5 2
Image
Water mites (Acarina) 5 5
Image
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) 3 1
Flatworms (Turbellaria) Flatworms (Turbellaria) 3 2
Image
Freshwater Snails (Gastropoda) 3 10
Image
Leeches (Hirudinea) 3 1
Image
Side Swimmer/Scud (Amphipoda) 4 10
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 20
Image
Mosquito Larvae (Diptera) 2 2
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 2
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 128 Total score: 51 Overall rating: Good

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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