Waterwatch Data Portal
ME_YMR141 Merri Creek, near footbridge 57 Connolly Ave, Coburg (opp De Chene Reserve)
2 April 2023
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 | Sunday 2nd April 2023 10:00am |
| 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 | During the last 24 hours 3.40 |
| Flow estimate | BANKFULL: High flow within channel capacity and in-stream habitats connected |
| Water Appearance | Clear |
| Stream depth | 1m - 2m |
| Stream width | > 5m |
| Hazards | |
| Litter/Pollutants |
Waterbug ID training session. Was not able to access all habitats due to high creek level and fast flow. No Phys/chem testing done.
Creatures Agreed Level Taxonomy Method
| Image | Species | Score | Quantity |
|---|---|---|---|
|
a. Family Hydropsychidae (net spinning caddis) | 6 | 10 |
|
a. Family Hyriidae (freshwater mussels) | 5 | 7 |
|
a. Family Psephenidae, Genus Sclerocyphon (water pennies) | 6 | 4 |
| b. Family Ecnomidae, Genus Ecnomus (bandit caddis) | 6 | 2 | |
| c. Family Atyidae (glass shrimp) | 3 | 4 | |
|
d. Family Simuliidae (black fly larvae) | 5 | 1 |
| d. Phylum Annelida, class Oligochaeta, (worms) | 2 | 12 | |
| e. Family Chironomidae, several genera (blood worms) | 4 | 20 | |
| e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) | 1 | 10 | |
| f. Corduliid / libellulid like dragonflies - various families (spider mud eye) | 4 | 3 | |
|
f. Order Amphipoda (scuds, sideswimmers) | 3 | 2 |
|
g. Family Hydrophilidae (water scavenger beetle adult) | 2 | 4 |
|
h. Family Telephlebiidae (teleflebs - Dragonfly nymphs) | 9 | 1 |
| m. Family Corixidae , Genus Micronecta (little brindle boatman) | 3 | 20 | |
| o. Family Corixidae genus Agraptocorixa (static boatmen) | 1 | 2 | |
|
p. Family Leptoceridae Unidentified, various genera (Caddis fly larvae) | 6 | 1 |
| q. Family Leptoceridae, Genus Triplectides (stick caddis) | 3 | 4 | |
|
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) | 6 | 2 |
| ALT Signal Score | 4.17 | ||
| Weighted ALT Signal Score | 3.79 | ||
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