Waterwatch Data Portal
ME_YMR190 Merri Creek @ O'Hearns Rd, Somerton
21 April 2011
Site visit details
Overview
| Catchment | Yarra River |
|---|---|
| Site | Merri Creek @ O'Hearns Rd, Somerton ME_YMR190 |
| Date and Time | Thursday 21st April 2011 14:30pm |
| 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 | 0.02 | 86.52 | 8 | 420 | 8.2 | 0.1 | 23.1 | 19.1 | 6 |
| Weather | sunny |
|---|---|
| Last rainfall | During the last 24 hours |
| Flow estimate | |
| Water Appearance | Other |
| Stream depth | |
| Stream width | |
| Hazards | |
| Litter/Pollutants |
Creatures Waterwatch method
| Image | Species | Score | Quantity |
|---|---|---|---|
|
Caddis-fly Larvae (Trichoptera) | 7 | 4 |
|
Mayfly nymph (Ephemeroptera) | 7 | 1 |
|
Damselfly Nymph (Odonata) | 6 | 6 |
|
Freshwater Shrimp/Prawn (Atyidae) | 5 | 1 |
|
Freshwater Snails (Gastropoda) | 3 | 25 |
|
Side Swimmer/Scud (Amphipoda) | 4 | 10 |
|
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) | 4 | 30 |
|
Biting Midge Larvae (Diptera) | 2 | 15 |
| Total bug score | ||
|---|---|---|
| Total abundance | 0 - 35 | 35+ |
| 0 - 200 | Poor | Good |
| 200+ | Fair | Very good |
All content, files, data and images provided by the Waterwatch Data Portal and Gallery are subject to a Creative Commons Attribution License
Content is made available to be used in any way, and should always attribute Waterwatch and www.vic.waterwatch.org.au
.png)
