Waterwatch Data Portal
ME_DTW100 Tirhatuan Wetlands, off Dandenong Creek, Rowville
24 November 2019
Site visit details
Overview
| Catchment | Dandenong |
|---|---|
| Site | Tirhatuan Wetlands, off Dandenong Creek, Rowville ME_DTW100 |
| Date and Time | Sunday 24th November 2019 10:00am |
| Approved | Approved |
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 | 43.59 | 4 | 240 | 6.8 | 0.05 | 20.8 | 19.5 | 15 |
| Weather | |
|---|---|
| Last rainfall | |
| Flow estimate | |
| Water Appearance | |
| Stream depth | |
| Stream width | |
| Hazards | |
| Litter/Pollutants |
Present: Judith, Dorothea, Ian, Julie
Looked like some dredging or reed removal had been done in the pool at the entry to the wetlands (where the drain comes in).
Creatures Waterwatch method
| Image | Species | Score | Quantity |
|---|---|---|---|
|
Caddis-fly Larvae (Trichoptera) | 7 | 22 |
|
Damselfly Nymph (Odonata) | 6 | 4 |
|
Water mites (Acarina) | 5 | 3 |
|
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) | 3 | 3 |
|
Beetle larvae (Coleoptera) | 4 | 2 |
|
Freshwater Snails (Gastropoda) | 3 | 5 |
|
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) | 4 | 10 |
|
Non Biting Midge Larvae - Bloodworms (Diptera) | 1 | 8 |
| Total bug score | ||
|---|---|---|
| Total abundance | 0 - 35 | 35+ |
| 0 - 200 | Poor | Good |
| 200+ | Fair | Very good |
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