Site visit details

Overview

Catchment Yarra River
Site Nerreman Wetland @ Eltham ME_YDI833
Date and Time Thursday 7th June 2012 15:00pm
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 0.15 6 690 0.07 7.1 12.1 10.8 13
Weather cloudy
Last rainfall During the last week 9.2
Flow estimate LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
Water Appearance Scummy
Stream depth 51cm - 99cm
Stream width >5m
Hazards
Litter/Pollutants bottles,cans,packets,paper,plastic,polystyrene,other
Other rubbish: tennis balls, car hubcap, tree guards What is different from last: higher ammonium and conductivity The Friends of Karingal Yalloc group celebrated 10 anniversary. Fauna observed: little Pied Cormorant, common froglets were calling.

Creatures Waterwatch method

Image Species Score Quantity
Dragonfly Nymph (Odonata) Dragonfly Nymph (Odonata) 6 1
Flatworms (Turbellaria) 3 17
Freshwater Snails (Gastropoda) Freshwater Snails (Gastropoda) 3 1
Leeches (Hirudinea) Leeches (Hirudinea) 3 2
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 24
Non Biting Midge Larvae - Bloodworms (Diptera) Non Biting Midge Larvae - Bloodworms (Diptera) 1 15
Segmented Worm (Oligochaeta) Segmented Worm (Oligochaeta) 1 7
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 67 Total score: 20 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

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