Site visit details

Overview

Catchment Yarra River
Site Nerreman Wetland @ Eltham ME_YDI833
Date and Time Friday 16th April 2010 14:30pm
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 0.05 4 180 0.07 6.9 26.3 17 20
Weather Sunny
Last rainfall Last 7 days
Flow estimate Trickle
Water Appearance
Stream depth 1000.00
Stream width 9.00
Hazards
Litter/Pollutants
Rain: 4mm in last 7 days, 32 mm from 20-3-10 to 16-4-10 What has changed since last time you monitored? Lower bug count. EC good. Sludge pile has been removed. Streamside weeds growing fast What stands out about the site today? Rubbish on ledges near dam wall still there- also the branches blocking the tunnel. Scum below dam wall. Still no mosquito fish Other observations: Black ducks, Chesnut teal, rainbow Lorikeets, Spotted Turtle doves, noisy miners, Indian Mynahs. Dragonflies in flight. Cat wandering beside lake. *Depth recorded as 1000. Possibly this should be 100. Litter: Lots of plastic, lots of bottles, Balls ,bottles and Polystyrene in pit drain, and on ledges after flood

Creatures Waterwatch method

Image Species Score Quantity
c. Family Atyidae (glass shrimp) 0 N/A
d. Family Hydrophilidae, Genus Helochares (Beetle adult) d. Family Hydrophilidae, Genus Helochares (Beetle adult) 2 N/A
Freshwater shrimp Freshwater shrimp 5 N/A
Caddis-fly Larvae (Trichoptera) Caddis-fly Larvae (Trichoptera) 7 N/A
Mayfly nymph (Ephemeroptera) Mayfly nymph (Ephemeroptera) 7 N/A
Stonefly nymph (Plecoptera) Stonefly nymph (Plecoptera) 8 N/A
Aquatic Caterpillars (Lepidoptera) 3 N/A
Damselfly Nymph (Odonata) Damselfly Nymph (Odonata) 6 N/A
Dragonfly Nymph (Odonata) Dragonfly Nymph (Odonata) 6 N/A
Freshwater Mussel (Bivalvia) Freshwater Mussel (Bivalvia) 0 N/A
Freshwater slater (Isopoda) Freshwater slater (Isopoda) 5 N/A
Toebiters Dobsonflies (Megaloptera) Toebiters Dobsonflies (Megaloptera) 6 N/A
Water mites (Acarina) Water mites (Acarina) 5 N/A
Yabbies/Marron/Gilgie Freshwater (Decapoda) Yabbies/Marron/Gilgie Freshwater (Decapoda) 5 N/A
Beetle larvae (Coleoptera) Beetle larvae (Coleoptera) 4 N/A
Flatworms (Turbellaria) 3 N/A
Freshwater Snails (Gastropoda) Freshwater Snails (Gastropoda) 3 N/A
Hydra (Hydrozoa) Hydra (Hydrozoa) 4 N/A
Leeches (Hirudinea) Leeches (Hirudinea) 3 N/A
Roundworms (Nematoda) Roundworms (Nematoda) 3 N/A
Side Swimmer/Scud (Amphipoda) Side Swimmer/Scud (Amphipoda) 4 N/A
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 N/A
Biting Midge Larvae (Diptera) Biting Midge Larvae (Diptera) 2 N/A
Mosquito Larvae (Diptera) Mosquito Larvae (Diptera) 2 N/A
Non Biting Midge Larvae - Bloodworms (Diptera) Non Biting Midge Larvae - Bloodworms (Diptera) 0 N/A
Segmented Worm (Oligochaeta) Segmented Worm (Oligochaeta) 1 N/A
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 0 Total score: 0 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

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