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  5. 02-09-2011

ME_YDI833 Nerreman Wetland @ Eltham

2 September 2011

Overview Notes Phy Chem Tests Creatures Diary Photos 0
Site visit details

Overview

Catchment Yarra River
Site Nerreman Wetland @ Eltham ME_YDI833
Date and Time Friday 2nd September 2011 13:30pm
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 0.07 6 1130 7.7 0.05 21.1 14.1 9
Weather sunny
Last rainfall More than a week ago 25
Flow estimate Slow
Water Appearance Clear
Stream depth 51cm - 99cm
Stream width >5m
Hazards
Litter/Pollutants bottles,cans,clothing,packets,paper,plastic,polystyrene,other
Other litter: 25 tennis balls, 2 glass bottle, and more rubbish in pit drain. What has changed since last time you monitored: lower water level (below dam wall); higher EC. New plantings beside the lake and creek. What stands out about the site today: Branches/ debris still blocking tunnels. Weeds observed: Boneseed and cape weed broom between bridge and weir wall on steep bank. Fauna observations: rainbow lorikeets, bronzewing, pacific black ducks, wood ducks, sulphur- crested cockatoos, noisy miners, spotted turtle doves.

Creatures Waterwatch method

Image Species Score Quantity
Chironomids Chironomids 1 20
h. Order Anostraca (fairy shrimp and introduced sea monkeys) h. Order Anostraca (fairy shrimp and introduced sea monkeys) 4 2
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) 3 1
Flatworms (Turbellaria) 3 6
Freshwater Snails (Gastropoda) Freshwater Snails (Gastropoda) 3 12
Leeches (Hirudinea) Leeches (Hirudinea) 3 2
Biting Midge Larvae (Diptera) Biting Midge Larvae (Diptera) 2 1
Segmented Worm (Oligochaeta) Segmented Worm (Oligochaeta) 1 15
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 59 Total score: 14 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

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