Site visit details

Overview

Catchment Yarra River
Site Nerreman Wetland @ Eltham ME_YDI833
Date and Time Saturday 9th July 2016 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 6 13 11 20
Weather cloudy
Last rainfall During the last week 23.9
Flow estimate LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
Water Appearance Clear,Foamy/frothy,Stained brown
Stream depth 0 - 50cm
Stream width 2m - 5m
Hazards
Litter/Pollutants bottles,cans,packets,paper,plastic,polystyrene,other
Litter also included balls. Flattened streamside vegetation indicated that the stream had been much deeper and higher after heavy rain. Depth had been 1m, and width had been 5.8m. There is more litter now on the dam ledges after the heavy rain. Less litter than usual in the pit drain --- just one plastic bottle and one styrofoam box. The log blocking one of the tunnels has gone. Still there: Weed trees in waterway. Bits of concrete (still being removed.) Common froglets were calling from the small wetland. BIRDS: Bronzewings, Noisy Miners, Rainbow Lorikeets, Crested Pigeons, Magpies, Pacific Black Ducks, Eastern Rosellas. Also a dead Mudlark.

Creatures Agreed Level Taxonomy Method

Image Species Score Quantity
d. Phylum Annelida, class Oligochaeta, (worms) 1 8
e. Family Chironomidae, several genera (blood worms) 1 9
e. Phylum Turbellaria ( flatworms) e. Phylum Turbellaria ( flatworms) 1 6
g. Family Physidae, Species Physa acuta (snail) 1 1
m. Family Corixidae , Genus Micronecta (little brindle boatman) 2 1
ALT Signal Score 2.40
Weighted ALT Signal Score 2.36

Diary photos

No diary entries recorded for this visit

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