Site visit details

Overview

Catchment Yarra River
Site Nerreman Wetland @ Eltham ME_YDI833
Date and Time Wednesday 18th February 2015 11:00am
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 26 20
Weather overcast
Last rainfall During the last week 22.5
Flow estimate LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
Water Appearance Scummy,Smelly,Oily
Stream depth 51cm - 99cm
Stream width >5m
Hazards
Litter/Pollutants bottles,cans,oil,packets,paper,plastic,polystyrene,other
Other Litter: balls. There were bottles, a can, balls and polystyrene balls in the pit drain. The scum was below the dam wall. The oil was below the dam wall and on the lake. There was a pile of litter left on a ledge near the dam wall, after the heavy rain. Cumbungi is in seed and spreading across the lake. Montbretia weed is in flower and spreading along the creek.

Creatures Waterwatch method

Image Species Score Quantity
Damselfly Nymph (Odonata) Damselfly Nymph (Odonata) 6 3
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 39
Biting Midge Larvae (Diptera) Biting Midge Larvae (Diptera) 2 10
Non Biting Midge Larvae - Bloodworms (Diptera) Non Biting Midge Larvae - Bloodworms (Diptera) 1 30
Segmented Worm (Oligochaeta) Segmented Worm (Oligochaeta) 1 20
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 109 Total score: 19 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

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