Waterwatch Data Portal
ME_YMR112 Merri Creek, u/s of St Georges Rd Bridge, North Fitzroy
3 February 2019
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 3rd February 2019 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 | 0.04 | 61.45 | 5 | 910 | 7.6 | 0.17 | 38.2 | 25.7 | 9 |
| Weather | sunny |
|---|---|
| Last rainfall | More than a week ago |
| Flow estimate | LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected) |
| Water Appearance | Clear |
| Stream depth | |
| Stream width | |
| Hazards | |
| Litter/Pollutants |
Creatures Agreed Level Taxonomy Method
| Image | Species | Score | Quantity |
|---|---|---|---|
|
a. Family Hydropsychidae (net spinning caddis) | 6 | 10 |
| b. Family Ecnomidae, Genus Ecnomus (bandit caddis) | 6 | 2 | |
|
c. Family Isostictidae (Damselfly nymph) | 3 | 14 |
|
c. Phylum Annelida, class Hirudinea, (leeches) | 1 | 4 |
|
d. Family Simuliidae (black fly larvae) | 5 | 30 |
| e. Family Chironomidae, several genera (blood worms) | 4 | 30 | |
| e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) | 1 | 25 | |
|
e. Phylum Turbellaria ( flatworms) | 1 | 15 |
| f. Corduliid / libellulid like dragonflies - various families (spider mud eye) | 4 | 3 | |
| g. Family Chironomidae (chironomids - True Fly larvae) | 4 | 30 | |
| g. Family Physidae, Species Physa acuta (snail) | 2 | 25 | |
| h. Family Notonectidae , Genus Enithares (robust backswimmers) | 3 | 1 | |
| i. Family Aeshnidae (Dragonfly nymph - Couta mud eye) | 4 | 1 | |
| m. Family Corixidae , Genus Micronecta (little brindle boatman) | 3 | 25 | |
| o. Family Corixidae genus Agraptocorixa (static boatmen) | 1 | 20 | |
|
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) | 6 | 25 |
| ALT Signal Score | 3.38 | ||
| Weighted ALT Signal Score | 3.26 | ||
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