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  5. 19-09-2010

ME_YSC100 Mt Waverley Wetlands, at the rocky embankment at the most westerly end of the wetland, nearest the spillway

19 September 2010

Overview Notes Phy Chem Tests Creatures Diary Photos 0
Site visit details

Overview

Catchment Yarra River
Site Mt Waverley Wetlands, at the rocky embankment at the most westerly end of the wetland, nearest the spillway ME_YSC100
Date and Time Sunday 19th September 2010 14:00pm
Approved Approved

Notes

Physical Chemical Tests

Ammon-Nit mg/L NH3-N N mg/L NH4+ D.O. % 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 FTU Turb NTU
Sample 9.6 400 0.02 7.2 15 13
Weather n/s
Last rainfall More than a week ago
Flow estimate n/s
Water Appearance
Stream depth
Stream width
Hazards
Litter/Pollutants
? Recent rain and spring growth have improved the appearance of all sites. The water in the creeks and in the wetlands appears relatively clean, and there is less visible litter. ? The physical and chemical results are correspondingly fair or better (except the turbidity measurement for Valley Creek). ? The invertebrate samples from the wetlands were taken mostly from the reeds and were clogged with algae and silt. They had low invertebrate abundance and low variety. ? Flow measurement at site 2 (Scotchmans Creek) was done in a narrow part of the creek downstream of Valley Creek. This was done to avoid problems with wind causing large errors at the usual site, which is the broad concrete outlet channel of the wetlands. (Valley Creek contributed only about 5% of the measurement).

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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