Site visit details

Overview

Catchment Yarra River
Site Nerreman Wetland @ Eltham ME_YDI833
Date and Time Friday 2nd July 2010 15:25pm
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 0.4 4 850 0.07 7.4 13.2 9.9 15
Weather Overcast
Last rainfall Last 3 days
Flow estimate Slow
Water Appearance
Stream depth 70.00
Stream width 9.00
Hazards
Litter/Pollutants
rainfall: 5.5mm in Last 3 days, 30.5mm in Last 7 Days Litter: 2 straws drinking, 1 plant container-plsatic (Some plastic bottles, some polystyrene and a ball in pit drain), 3 balls Phosphate test done at 19 deg C Ammonium test done at 19.4 deg C What has changed since last time you monitored? Higher conductivity Lower macroinvertebrate count. More rubbish on ledges and in pit drain. What stands out about the site today? Pile of debris still blocking one of the tunnels. Large amount of rubbish, mainly plastic bottles caught up in the area of flattened Cumbungi, upstream from site Ammonium high again Other observations: Wood Ducks, Bronzewings, Mudlarks, Rainbow lorikeets, noisy miners, water level had been much higher.

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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