Waterwatch Data Portal
ME_YDI833 Nerreman Wetland @ Eltham
6 August 2017
Overview
| Catchment | Yarra River |
|---|---|
| Site | Nerreman Wetland @ Eltham ME_YDI833 |
| Date and Time | Sunday 6th August 2017 10:00am |
| 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 | 8 | 10 | 10 | 10 |
| Weather | overcast |
|---|---|
| Last rainfall | During the last week 0.00 |
| Flow estimate | LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected) |
| Water Appearance | Clear,Smelly,Other |
| Stream depth | 0 - 50cm |
| Stream width | 2m - 5m |
| Hazards | |
| Litter/Pollutants | bottles,paper,plastic,cans,packets,polystyrene,other: balls |
In pit drain: 17 plastic bottles, 1can, 4 balls.There was more rubbish than usual , mainly plastic bottles, at the monitoring site. We took some home to discard.Rubbish in crevices on the rock wall facing the dam.
The introduced Cumbungi is dying down. Indigenous plantings looking very healthy.
Higher Oxygen but lower variety of waterbugs.
Logs still blocking tunnels.
New concrete footpath near the dam and new plantings there.
Strong breeze today.
BIRDS: Kookaburra flock of Rainbow Lorikeets Eastern Rosellas Bronzewings Crested Pigeons Magpies Noisy Miners,
Creatures Agreed Level Taxonomy Method
| Image | Species | Score | Quantity |
|---|---|---|---|
| c. Family Tabanidae / Family Dolichopodidae / Family Empididae / some Family Tipulidae (True Fly larvae) | 4 | 1 | |
|
c. Phylum Annelida, class Hirudinea, (leeches) | 1 | 1 |
| d. Phylum Annelida, class Oligochaeta, (worms) | 1 | 20 | |
| e. Family Chironomidae, several genera (blood worms) | 1 | 40 | |
| g. Family Physidae, Species Physa acuta (snail) | 1 | 4 | |
| h. Family Notonectidae , Genus Enithares (robust backswimmers) | 1 | 5 | |
| m. Family Corixidae , Genus Micronecta (little brindle boatman) | 2 | 1 | |
| ALT Signal Score | 2.57 | ||
| Weighted ALT Signal Score | 2.81 | ||
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