Waterwatch Data Portal
ME_YGR023 Blackburn Lake at Heron Point opposite Naughton Gve Blackburn
7 July 2019
Site visit details
Overview
| Catchment | Yarra River |
|---|---|
| Site | Blackburn Lake at Heron Point opposite Naughton Gve Blackburn ME_YGR023 |
| Date and Time | Sunday 7th July 2019 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 | 0.08 | 70.07 | 8 | 130 | 6.8 | 0.017 | 13.5 | 9.5 | 16 |
| Weather | overcast |
|---|---|
| Last rainfall | More than a week ago 15.00 |
| Flow estimate | STAGNANT: No continuous flow in channel but channel continuous (in-stream habitats connected) |
| Water Appearance | Scummy |
| Stream depth | 1m - 2m |
| Stream width | |
| Hazards | |
| Litter/Pollutants | bottles,plastic,packets,polystyrene |
Monitors: Su D., Wira Y., Alfoncina, Stepfanie, Amber, Arhaan, Azlaan, Tanveer
Lots of feathers on surface of water.
Note: Caddisfly larvae and Damselfly nymph are not mentioned in the uploaded Macros sheet, they were found later, after the sheets were scanned.
Creatures Waterwatch method
| Image | Species | Score | Quantity |
|---|---|---|---|
|
Caddis-fly Larvae (Trichoptera) | 7 | 1 |
|
Damselfly Nymph (Odonata) | 6 | 1 |
|
Freshwater Shrimp/Prawn (Atyidae) | 5 | 2 |
|
Water mites (Acarina) | 5 | 20 |
|
Freshwater Snails (Gastropoda) | 3 | 5 |
|
Leeches (Hirudinea) | 3 | 1 |
|
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) | 4 | 50 |
|
Non Biting Midge Larvae - Bloodworms (Diptera) | 1 | 1 |
| Total bug score | ||
|---|---|---|
| Total abundance | 0 - 35 | 35+ |
| 0 - 200 | Poor | Good |
| 200+ | Fair | Very good |
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