Site visit details

Overview

Catchment Yarra River
Site Nerreman Wetland @ Eltham ME_YDI833
Date and Time Tuesday 20th May 2014 09:30am
Approved Approved

Notes

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 0.1 3.5 730 7 0.14 17.5 14 9
Weather cloudy
Last rainfall More than a week ago 32
Flow estimate LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
Water Appearance Scummy,Smelly,Stained brown
Stream depth 51cm - 99cm
Stream width >5m
Hazards
Litter/Pollutants bottles,cans,packets,paper,plastic,polystyrene
In the pit drain: Plastic, balls, bottles, polystyrene, scum. There was a lot of fast food container litter in the area. The scum was below the dam wall, not in the lake. The staining was pale brown. The smell came from the dam wall/pit drain area. The water for the Phosphate and Ammonium tests was warmed. The rainfall amount was from the start of May. There was slash in the lake, from mowing. Birds: Pied Currawongs, Bronzewings, Galahs, Pacific Black Ducks, (one was looking out from a hole in a dead tree.)

Creatures Waterwatch method

Image Species Score Quantity
Flatworms (Turbellaria) 3 4
Leeches (Hirudinea) Leeches (Hirudinea) 3 3
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 4
Mosquito Larvae (Diptera) Mosquito Larvae (Diptera) 2 4
Non Biting Midge Larvae - Bloodworms (Diptera) Non Biting Midge Larvae - Bloodworms (Diptera) 1 2
Segmented Worm (Oligochaeta) Segmented Worm (Oligochaeta) 1 6
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 23 Total score: 13 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

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