Waterwatch Data Portal
ME_YDI833 Nerreman Wetland @ Eltham
10 April 2019
Overview
| Catchment | Yarra River |
|---|---|
| Site | Nerreman Wetland @ Eltham ME_YDI833 |
| Date and Time | Wednesday 10th April 2019 10:30am |
| 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 | 6 | 15 | 16 | 10 |
| Weather | cloudy |
|---|---|
| Last rainfall | During the last 24 hours 3.50 |
| Flow estimate | MEDIUM: flow is normal/typical average flow |
| Water Appearance | Clear,Smelly,Foamy/frothy,Oily,Other |
| Stream depth | Other:60cm |
| Stream width | Other:3.33m |
| Hazards | |
| Litter/Pollutants | bottles,oil,paper,plastic,cans,clothing,packets,polystyrene,other: balls |
Improved Oxygen level this time. Foamy below dam wall but not at sampling site.
In pit drain: 16 plastic bottles and 5 balls.
Cumbungi now in flower.
Montbretia weed spreading upstream.
Thick layer of fallen leaves at edge of creek. Small patches of oil at sampling site.
The tree trunk resting across the creek has collected a variety of rubbish. This is the spot where we saw the 2 Long-necked Turtles last time.
BIRDS: Ravens, Magpies, Rainbow Lorikeets, Chestnut Teal, Noisy Miners.
Creatures Agreed Level Taxonomy Method
| Image | Species | Score | Quantity |
|---|---|---|---|
| c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) | 1 | 20 | |
|
c. Phylum Annelida, class Hirudinea, (leeches) | 1 | 2 |
| d. Phylum Annelida, class Oligochaeta, (worms) | 2 | 19 | |
| e. Family Chironomidae, several genera (blood worms) | 4 | 22 | |
| e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) | 1 | 1 | |
|
e. Phylum Turbellaria ( flatworms) | 1 | 2 |
| h. Family Notonectidae , Genus Enithares (robust backswimmers) | 3 | 3 | |
|
i. Family Stratiomyidae (soldier fly larvae) | 2 | 1 |
|
l. Family Culicidae (mosquito larvae, wrigglers) | 1 | 15 |
| n. Family Ephydridae and Sciomyzidae (wetland maggots) | 1 | 1 | |
| ALT Signal Score | 1.70 | ||
| Weighted ALT Signal Score | 2.00 | ||
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