Waterwatch Data Portal
ME_YMR141 Merri Creek, near footbridge 57 Connolly Ave, Coburg (opp De Chene Reserve)
18 November 2020
Site visit details
Overview
| Catchment | Yarra River |
|---|---|
| Site | Merri Creek, near footbridge 57 Connolly Ave, Coburg (opp De Chene Reserve) ME_YMR141 |
| Date and Time | Wednesday 18th November 2020 09:00am |
| Approved | Approved |
Physical Chemical Tests
No physical chemical tests recorded on this visit
| 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 NTU | |
|---|---|---|---|---|---|---|---|---|---|
| Sample |
| Weather | sunny |
|---|---|
| Last rainfall | More than a week ago |
| Flow estimate | MEDIUM: flow is normal/typical average flow |
| Water Appearance | Clear |
| Stream depth | 0 - 50cm |
| Stream width | > 5m |
| Hazards | |
| Litter/Pollutants |
Due to low rainfall the water was very clear and there was not any build up of sediment on rocks and other surfaces.
Creatures Agreed Level Taxonomy Method
| Image | Species | Score | Quantity |
|---|---|---|---|
|
a. Family Hydropsychidae (net spinning caddis) | 6 | N/A |
|
d. Family Simuliidae (black fly larvae) | 5 | N/A |
| e. Family Chironomidae, several genera (blood worms) | 4 | N/A | |
|
e. Family Hydroptilidae (micro caddis) | 4 | N/A |
| e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) | 1 | N/A | |
|
e. Phylum Turbellaria ( flatworms) | 1 | N/A |
|
f. Family Baetidae (baetids -Mayfly nymph) | 5 | N/A |
| g. Family Chironomidae (chironomids - True Fly larvae) | 4 | N/A | |
| g. Family Physidae, Species Physa acuta (snail) | 2 | N/A | |
| i. Family Dytiscidae, (two-tailed tigers) | 6 | N/A | |
|
i. Family Stratiomyidae (soldier fly larvae) | 2 | N/A |
| j. Family Dytiscidae, (nosey tigers) | 3 | N/A | |
|
j. Family Dytiscidae, various genera (little diving beetles) | 1 | N/A |
| l. Family Corixidae , Genus Sigara (striped boatman) | 4 | N/A | |
| q. Family Leptoceridae, Genus Triplectides (stick caddis) | 3 | N/A | |
|
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) | 6 | N/A |
| ALT Signal Score | |||
| Weighted ALT Signal Score | |||
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