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  5. 12-03-2011

ME_YDI833 Nerreman Wetland @ Eltham

12 March 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 Saturday 12th March 2011 11:00am
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 3 420 7.3 0.05 27.3 20.1 25
Weather sunny
Last rainfall During the last week 13
Flow estimate Slow
Water Appearance Scummy
Stream depth 51cm - 99cm
Stream width >5m
Hazards
Litter/Pollutants bottles,cans,packets,paper,plastic,polystyrene,other
Other Litter: 9 tennis balls. Water quality below weir- scummy What has changed since last time you monitored: water level has returned to normal. Weed grasses overhanging the bank have been removed and the area sprayed. Not sure if slash was removed or left to fall on lake. What stands out about the site today: scum below the weir wall, vegetation carried down in the floods is blocking the tunnels. Friends group have been weeding, and planting. Fauna obs: black ducks, chestnut teal, Corellas, mudlarks, noisy miners, spotted turtle doves, dragonflies in flight, several butterfly species using plantings, observed an golden orb spider and hear marsh frog calling.

Creatures Waterwatch method

Image Species Score Quantity
Chironomids Chironomids 1 203
h. Order Anostraca (fairy shrimp and introduced sea monkeys) h. Order Anostraca (fairy shrimp and introduced sea monkeys) 4 8
Damselfly Nymph (Odonata) Damselfly Nymph (Odonata) 6 21
Dragonfly Nymph (Odonata) Dragonfly Nymph (Odonata) 6 8
Flatworms (Turbellaria) 3 35
Freshwater Snails (Gastropoda) Freshwater Snails (Gastropoda) 3 6
Leeches (Hirudinea) Leeches (Hirudinea) 3 6
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 1
Biting Midge Larvae (Diptera) Biting Midge Larvae (Diptera) 2 2
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 290 Total score: 26 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

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