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  5. 18-04-2011

ME_YDI833 Nerreman Wetland @ Eltham

18 April 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 Monday 18th April 2011 14:20pm
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 0.01 5 1200 7.6 0.07 21.6 14.9 10
Weather sunny
Last rainfall During the last week
Flow estimate
Water Appearance Scummy,Foamy/frothy,Other: pale brown with rings of bubbles
Stream depth 51cm - 99cm
Stream width >5m
Hazards
Litter/Pollutants bottles,cans,clothing,packets,paper,plastic,polystyrene
Litter other: 25 balls, plastic tile 0.5 X 0.5 m and copious amount of litter in Drain pit near Weir. What is different since last obs.: higher conductivity, less turbidity. What stands out about the site today: branches blocking the tunnels. large amount of rubbish mainly plastic bottle and including many tennis balls. Fauna observations: Mudlarks, Bronzewing, Black Duck, rainbow Lorikeets, Corella, Crested Pigeon, Noisy miners.

Creatures Waterwatch method

Image Species Score Quantity
Chironomids Chironomids 1 28
d. Family Hydrophilidae, Genus Helochares (Beetle adult) d. Family Hydrophilidae, Genus Helochares (Beetle adult) 2 1
h. Order Anostraca (fairy shrimp and introduced sea monkeys) h. Order Anostraca (fairy shrimp and introduced sea monkeys) 4 2
Water-striders Water-striders 4 1
Damselfly Nymph (Odonata) Damselfly Nymph (Odonata) 6 2
Dragonfly Nymph (Odonata) Dragonfly Nymph (Odonata) 6 4
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 3
Leeches (Hirudinea) Leeches (Hirudinea) 3 4
Mosquito Larvae (Diptera) Mosquito Larvae (Diptera) 2 1
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 53 Total score: 25 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

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