Site visit details

Overview

Catchment Yarra River
Site Gardiners Creek upstream of Blackburn Lake, at Pobblebonk point, adjacent to Vegemite Creek ME_YGR006
Date and Time Sunday 8th January 2017 10:00am
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 Rain mm rP mg/L P Air ° C Water ° C Turb FTU Turb NTU
Sample 0 37.55 3 350 7 0.023 33 26.8 36
Weather windy
Last rainfall More than a week ago 58.00
Flow estimate MEDIUM: flow is normal/typical average flow
Water Appearance Clear,Smelly
Stream depth 51cm - 99cm
Stream width
Hazards
Litter/Pollutants bottles,waxed cardboard,cans

Su, Anne, EB, John and Molly, Winstone, Darcy

Lots of dragonflies, white faced heron, 3 pacific black ducks, 2 chestnut teal

Heavy high water level often. Short very heavy rainfall - flattened reeds

Bad smells. La Motte colorimeter DO readings not reliable, use visocolor test results

Creatures Waterwatch method

Image Species Score Quantity
Dragonfly Nymph (Odonata) Dragonfly Nymph (Odonata) 6 2
Freshwater Shrimp/Prawn (Atyidae) Freshwater Shrimp/Prawn (Atyidae) 5 6
Beetle larvae (Coleoptera) Beetle larvae (Coleoptera) 4 1
Freshwater Snails (Gastropoda) Freshwater Snails (Gastropoda) 3 1
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 4
Non Biting Midge Larvae - Bloodworms (Diptera) Non Biting Midge Larvae - Bloodworms (Diptera) 1 3
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 17 Total score: 23 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

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