Waterwatch Data Portal
ME_YMR112 Merri Creek, u/s of St Georges Rd Bridge, North Fitzroy
5 March 2023
Site visit details
Overview
| Catchment | Yarra River |
|---|---|
| Site | Merri Creek, u/s of St Georges Rd Bridge, North Fitzroy ME_YMR112 |
| Date and Time | Sunday 5th March 2023 14:00pm |
| Approved | Approved |
Physical Chemical Tests
| Ammon-Nit mg/L NH3-N | N mg/L NH4+ | D.O. % | D.O mg/L | EC µS/cm | FrP mg/L P | Nitrate-Nit mg/L N | pH pH Units | rP mg/L P | Air ° C | Water ° C | Turb NTU | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sample | 0 | 118.66 | 10 | 1550 | 8.2 | 0.03 | 36.5 | 23.7 | 13 |
| Weather | cloudy |
|---|---|
| Last rainfall | During the last week |
| Flow estimate | MEDIUM: flow is normal/typical average flow |
| Water Appearance | Muddy |
| Stream depth | |
| Stream width | |
| Hazards | |
| Litter/Pollutants |
Piles of empty mussel shells were observed on the instream rocks near the site. Probably feeding sites of Rakali.
Creatures Agreed Level Taxonomy Method
| Image | Species | Score | Quantity |
|---|---|---|---|
|
a. Family Hydropsychidae (net spinning caddis) | 6 | 30 |
| c. Family Atyidae (glass shrimp) | 3 | 4 | |
|
c. Family Isostictidae (Damselfly nymph) | 3 | 1 |
| c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) | 5 | 6 | |
|
d. Family Hymenosomatidae (five cent crab, false spider crab) | 3 | 4 |
| e. Family Chironomidae, several genera (blood worms) | 4 | 30 | |
| e. Family Hydrobiidae - Potamopyrgus antipodarum (species - snail) | 3 | 1 | |
| f. Corduliid / libellulid like dragonflies - various families (spider mud eye) | 4 | 1 | |
| g. Family Chironomidae (chironomids - True Fly larvae) | 4 | 30 | |
| h. Family Notonectidae , Genus Enithares (robust backswimmers) | 3 | 10 | |
|
j. Family Dytiscidae, various genera (little diving beetles) | 1 | 1 |
| l. Family Corixidae , Genus Sigara (striped boatman) | 4 | 5 | |
|
l. Family Culicidae (mosquito larvae, wrigglers) | 1 | 2 |
|
l. Family Dytiscidae, various genera (stealth diving beetles) | 1 | 1 |
| m. Family Corixidae , Genus Micronecta (little brindle boatman) | 3 | 30 | |
|
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) | 6 | 15 |
| ALT Signal Score | 3.38 | ||
| Weighted ALT Signal Score | 3.95 | ||
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