Waterwatch Data Portal
ME_YDI833 Nerreman Wetland @ Eltham
16 January 2013
Site visit details
Overview
| Catchment | Yarra River |
|---|---|
| Site | Nerreman Wetland @ Eltham ME_YDI833 |
| Date and Time | Wednesday 16th January 2013 09:45am |
| Approved | Approved |
Physical Chemical Tests
| Ammon-Nit mg/L NH3-N | N mg/L NH4+ | 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 | 0.06 | 3.5 | 1030 | 7.1 | 0.04 | 19.6 | 18.9 | 9 |
| Weather | sunny |
|---|---|
| Last rainfall | More than a week ago 1.6 |
| Flow estimate | LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected) |
| Water Appearance | Clear,Stained brown |
| Stream depth | 0 - 50cm |
| Stream width | >5m |
| Hazards | |
| Litter/Pollutants | bottles,cans,oil,packets,paper,polystyrene |
Other litter: Cardoard, \drinking straw, tree guad, Glass bottles, Cigarette packet, Lots of Drink containers. Vegetation: Montbretia weed spreading a base of wier.
Creatures Waterwatch method
| Image | Species | Score | Quantity |
|---|---|---|---|
|
Damselfly Nymph (Odonata) | 6 | 22 |
|
Dragonfly Nymph (Odonata) | 6 | 2 |
|
Water mites (Acarina) | 5 | 2 |
| Flatworms (Turbellaria) | 3 | 23 | |
|
Freshwater Snails (Gastropoda) | 3 | 1 |
|
Leeches (Hirudinea) | 3 | 9 |
|
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) | 4 | 64 |
|
Non Biting Midge Larvae - Bloodworms (Diptera) | 1 | 100 |
|
Segmented Worm (Oligochaeta) | 1 | 7 |
| Total bug score | ||
|---|---|---|
| Total abundance | 0 - 35 | 35+ |
| 0 - 200 | Poor | Good |
| 200+ | Fair | Very good |
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