Site visit details

Overview

Catchment Yarra River
Site Plenty River, close to Yarra/Plenty River bike trail, off Bannockburn Road Lower Plenty. ME_YPL920
Date and Time Saturday 10th July 2010 10:30am
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 0.02 10 420 0.02 8.3 15.4 10.3 60
Weather Windy
Last rainfall Last 24 hrs
Flow estimate Slower flow downstream from the bridge where the river becomes wider
Water Appearance
Stream depth 15.00
Stream width 2.25
Hazards
Litter/Pollutants
a trace of rainfall in last 24 hrs, 0.5 mm rainfall last 3 days, 30 mm rainfall in last 7 days. Changes since last time: more flow, lower bug count, more rubbish, less phophote, Acacias (dead bata), have grown a lot and are in bud. Today: the large amount and veriety of rubbish items, water level had been higher, causing bank erosion and damage to riversides. other observation: hemp bush, mattoawood and tree violet all and hriving- also, the climbing weed, moth plant, avaujia seicifera. Einardia spreading and holding the top of the bank. 2 Black ducks, 2 moorhens, silvereyes, wattlebridges, bronsewings

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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