Site visit details

Overview

Catchment Yarra River
Site Nerreman Wetland @ Eltham ME_YDI833
Date and Time Saturday 1st December 2012 14:00pm
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 0.05 5 230 7 0.15 28 20.3 30
Weather cloudy
Last rainfall During the last week 19.4
Flow estimate LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
Water Appearance Smelly,Other: dark grey
Stream depth 0 - 50cm
Stream width >5m
Hazards
Litter/Pollutants bottles,cans,packets,paper,plastic,polystyrene
Other litter: tennis balls Pit drain litter: lots of polystyrene balls, cans, plastic bottle Weather: there was a light air/ breeze There is a large branch across the waterway upstream from weir and a small branch resting on Weir wall.

Creatures Waterwatch method

Image Species Score Quantity
Damselfly Nymph (Odonata) Damselfly Nymph (Odonata) 6 5
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) 3 4
Beetle larvae (Coleoptera) Beetle larvae (Coleoptera) 4 6
Flatworms (Turbellaria) 3 4
Freshwater Snails (Gastropoda) Freshwater Snails (Gastropoda) 3 9
Leeches (Hirudinea) Leeches (Hirudinea) 3 6
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 34
Mosquito Larvae (Diptera) Mosquito Larvae (Diptera) 2 8
Non Biting Midge Larvae - Bloodworms (Diptera) Non Biting Midge Larvae - Bloodworms (Diptera) 1 170
Segmented Worm (Oligochaeta) Segmented Worm (Oligochaeta) 1 21
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 267 Total score: 29 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

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