Waterwatch Data Portal
ME_YDI833 Nerreman Wetland @ Eltham
18 March 2017
Overview
| Catchment | Yarra River |
|---|---|
| Site | Nerreman Wetland @ Eltham ME_YDI833 |
| Date and Time | Saturday 18th March 2017 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 | 3 | 25 | 19 | 40 |
| Weather | sunny |
|---|---|
| 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 | Scummy,Smelly,Foamy/frothy,Oily,Other |
| Stream depth | 0 - 50cm |
| Stream width | 2m - 5m |
| Hazards | |
| Litter/Pollutants | bottles,oil,paper,plastic,cans,packets,polystyrene,other: balls. |
Only one plastic bottle in the pit drain this time.
Very scummy below the dam wall.
Logs blocking two tunnels.
Patches of foam and oil on the surface upstream from the dam wall.
Lots of rubbish waiting to be washed down the creek at the next heavy downpour.
Weed trees growing in the waterway.
Skipper Butterflies, Common Browns and Cabbage Whites in flight.
On a rock near the small, planted wetland there is a plaque commemorating 10 years of work by the Friends of the Karingal Yalloc.
BIRDS: Rainbow Lorikeets Mudlarks Pacific Black Ducks Wood Ducks Magpies Noisy Miners --- and a White-faced Heron, later.
Habitat
<p>Only one plastic bottle in the pit drain this time.</p> <p>Very scummy below the dam wall.</p> <p>Logs blocking two tunnels.</p> <p>Patches of foam and oil on the surface upstream from the dam wall.</p> <p>Lots of rubbish waiting to be washed down the creek at the next heavy downpour.</p> <p>Weed trees growing in the waterway.</p> <p>Skipper Butterflies, Common Browns and Cabbage Whites in flight.</p> <p>On a rock near the small, planted wetland there is a plaque commemorating 10 years of work by the Friends of the Karingal Yalloc.</p> <p>BIRDS: Rainbow Lorikeets Mudlarks Pacific Black Ducks Wood Ducks Magpies Noisy Miners --- and a White-faced Heron, later. </p>
| Bank Erosion Stability | Bank Vegetation | In Stream Cover | Riffles Pools Bends | Verge Vegetation | Overall |
|---|---|---|---|---|---|
| Fair 3 | Fair 6 | Poor 4 | Fair 3 | Good 8 | 24 |
Creatures Agreed Level Taxonomy Method
| Image | Species | Score | Quantity |
|---|---|---|---|
| c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) | 3 | 25 | |
|
c. Phylum Annelida, class Hirudinea, (leeches) | 1 | 2 |
| d. Phylum Annelida, class Oligochaeta, (worms) | 1 | 15 | |
| e. Family Chironomidae, several genera (blood worms) | 1 | 15 | |
| e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) | 2 | 7 | |
|
e. Phylum Turbellaria ( flatworms) | 1 | 15 |
| f. Corduliid / libellulid like dragonflies - various families (spider mud eye) | 5 | 6 | |
|
f. Order Araneae ( fishing and wolf spiders) | 5 | 1 |
| g. Family Chironomidae (chironomids - True Fly larvae) | 3 | 2 | |
| g. Family Physidae, Species Physa acuta (snail) | 1 | 1 | |
| h. Family Notonectidae , Genus Enithares (robust backswimmers) | 1 | 2 | |
| i. Family Aeshnidae (Dragonfly nymph - Couta mud eye) | 5 | 2 | |
|
i. Family Stratiomyidae (soldier fly larvae) | 2 | 2 |
|
l. Family Culicidae (mosquito larvae, wrigglers) | 1 | 6 |
| ALT Signal Score | 2.50 | ||
| Weighted ALT Signal Score | 2.18 | ||
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