Site visit details

Overview

Catchment Yarra River
Site Blackburn Lake at Heron Point opposite Naughton Gve Blackburn ME_YGR023
Date and Time Monday 2nd October 2017 12:00pm
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 0 104.16 10 150 6.6 0.007 15 17.3 17
Weather overcast
Last rainfall More than a week ago
Flow estimate MEDIUM: flow is normal/typical average flow
Water Appearance
Stream depth 1m - 2m
Stream width
Hazards
Litter/Pollutants

Su, Susan, Elaine

no litter

4 pacific black duck, 1 dusky moorhen, 2 nankeen night heron, 1 eurasian coot, 1 little grebe, 2 wood ducks

Creatures Waterwatch method

Image Species Score Quantity
Caddis-fly Larvae (Trichoptera) Caddis-fly Larvae (Trichoptera) 7 3
Mayfly nymph (Ephemeroptera) Mayfly nymph (Ephemeroptera) 7 1
Freshwater Shrimp/Prawn (Atyidae) Freshwater Shrimp/Prawn (Atyidae) 5 8
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 30
Mosquito Larvae (Diptera) Mosquito Larvae (Diptera) 2 1
Non Biting Midge Larvae - Bloodworms (Diptera) Non Biting Midge Larvae - Bloodworms (Diptera) 1 2
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 45 Total score: 26 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

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