Waterwatch Data Portal
ME_YMR112 Merri Creek, u/s of St Georges Rd Bridge, North Fitzroy
2 February 2014
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 2nd February 2014 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 | 115 | 8 | 1520 | 8.5 | 0.18 | 39.1 | 29 | 11 |
| 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 | Muddy |
| Stream depth | |
| Stream width | |
| Hazards | |
| Litter/Pollutants |
Low flow and lots of filamentous algae
Creatures Agreed Level Taxonomy Method
| Image | Species | Score | Quantity |
|---|---|---|---|
|
a. Family Hydropsychidae (net spinning caddis) | 6 | 21 |
| c. Family Atyidae (glass shrimp) | 4 | 5 | |
|
c. Family Isostictidae (Damselfly nymph) | 3 | 6 |
|
c. Phylum Annelida, class Hirudinea, (leeches) | 1 | 4 |
| e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) | 2 | 21 | |
| f. Corduliid / libellulid like dragonflies - various families (spider mud eye) | 5 | 3 | |
| g. Family Chironomidae (chironomids - True Fly larvae) | 3 | 10 | |
| g. Family Physidae, Species Physa acuta (snail) | 1 | 21 | |
| i. Family Notonectidae , Genus Anisops (slender backswimmers) | 1 | 9 | |
| k. Family Dytiscidae, various genera (mixed diving beetles) | 1 | 3 | |
| m. Family Corixidae , Genus Micronecta (little brindle boatman) | 2 | 21 | |
|
p. Family Leptoceridae Unidentified, various genera (Caddis fly larvae) | 6 | 4 |
| ALT Signal Score | 3.25 | ||
| Weighted ALT Signal Score | 3.15 | ||
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