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  5. 25-11-2018

ME_DTW100 Tirhatuan Wetlands, off Dandenong Creek, Rowville

25 November 2018

Overview Notes Phy Chem Tests Creatures Diary Photos 1
Site visit details

Overview

Catchment Dandenong
Site Tirhatuan Wetlands, off Dandenong Creek, Rowville ME_DTW100
Date and Time Sunday 25th November 2018 10:00am
Approved Approved

Notes

Physical Chemical Tests

N mg/L NH4+ D.O. % D.O mg/L EC µS/cm pH pH Units rP mg/L P Air ° C Water ° C Turb FTU
Sample 0 60.43 5.8 210 6.7 0.043 16.9 17.3 22
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

Present: Julie, Ian, Judith, Dorothea

Lake full and overflowing. Common froglets and spotted marsh frogs calling. Australasian Grebe possibly nest-building

 

Creatures Waterwatch method

Image Species Score Quantity
Caddis-fly Larvae (Trichoptera) Caddis-fly Larvae (Trichoptera) 7 12
Damselfly Nymph (Odonata) Damselfly Nymph (Odonata) 6 3
Water mites (Acarina) Water mites (Acarina) 5 4
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) 3 1
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 40
Non Biting Midge Larvae - Bloodworms (Diptera) 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

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