Waterwatch Data Portal
ME_YGR023 Blackburn Lake at Heron Point opposite Naughton Gve Blackburn
2 October 2017
Site visit details
Overview
| Catchment | Yarra River |
|---|---|
| Site | Blackburn Lake at Heron Point opposite Naughton Gve Blackburn ME_YGR023 |
| Date and Time | Monday 2nd October 2017 12:00pm |
| 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 FTU | Turb NTU | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sample | 0 | 104.16 | 10 | 150 | 6.6 | 0.007 | 15 | 17.3 | 17 |
| Weather | overcast |
|---|---|
| Last rainfall | More than a week ago |
| Flow estimate | MEDIUM: flow is normal/typical average flow |
| Water Appearance | |
| Stream depth | 1m - 2m |
| Stream width | |
| Hazards | |
| Litter/Pollutants |
Su, Susan, Elaine
no litter
4 pacific black duck, 1 dusky moorhen, 2 nankeen night heron, 1 eurasian coot, 1 little grebe, 2 wood ducks
Creatures Waterwatch method
| Image | Species | Score | Quantity |
|---|---|---|---|
|
Caddis-fly Larvae (Trichoptera) | 7 | 3 |
|
Mayfly nymph (Ephemeroptera) | 7 | 1 |
|
Freshwater Shrimp/Prawn (Atyidae) | 5 | 8 |
|
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) | 4 | 30 |
|
Mosquito Larvae (Diptera) | 2 | 1 |
|
Non Biting Midge Larvae - Bloodworms (Diptera) | 1 | 2 |
| Total bug score | ||
|---|---|---|
| Total abundance | 0 - 35 | 35+ |
| 0 - 200 | Poor | Good |
| 200+ | Fair | Very good |
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