Site visit details

Overview

Catchment Yarra River
Site Nerreman Wetland @ Eltham ME_YDI833
Date and Time Friday 27th May 2011 13:15pm
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 0.06 7 320 7.3 0.04 16 3.5 50
Weather cloudy
Last rainfall During the last week 21.5
Flow estimate Moderate
Water Appearance Muddy,Scummy,Smelly,Foamy/frothy,Other: Grey Mud
Stream depth 51cm - 99cm
Stream width >5m
Hazards
Litter/Pollutants bottles,cans,clothing,packets,paper,plastic,polystyrene,other
Other litter: 25 tennis balls, plastic tile 0.5X0.5 m and many more plastic bottles, balls, polystyrene in pit drain. What has changed since last time you monitored: more turbid and lower conductivity. What stands out about this site: more debris blocking the tunnels below the Weir. The Banks of the stream are very weedy. Work has begun upstream to remove weeds and stabilise banks. The Friends group have been planting and weeding on western side of creek. Fauna Obs.: Black Ducks, Noisy miners, Rainbow Lorikeets, Corellas, Bronzewing, Mudlark.

Creatures Waterwatch method

Image Species Score Quantity
Chironomids Chironomids 1 10
h. Order Anostraca (fairy shrimp and introduced sea monkeys) h. Order Anostraca (fairy shrimp and introduced sea monkeys) 4 1
Damselfly Nymph (Odonata) Damselfly Nymph (Odonata) 6 1
Dragonfly Nymph (Odonata) Dragonfly Nymph (Odonata) 6 2
Flatworms (Turbellaria) 3 9
Freshwater Snails (Gastropoda) Freshwater Snails (Gastropoda) 3 5
Leeches (Hirudinea) Leeches (Hirudinea) 3 3
Mosquito Larvae (Diptera) Mosquito Larvae (Diptera) 2 2
Segmented Worm (Oligochaeta) Segmented Worm (Oligochaeta) 1 8
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 41 Total score: 23 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

Creative Commons CC BY
All content, files, data and images provided by the Waterwatch Data Portal and Gallery are subject to a Creative Commons Attribution License

Content is made available to be used in any way, and should always attribute Waterwatch and www.vic.waterwatch.org.au