Site visit details

Overview

Catchment Yarra River
Site Blackburn Lake at Heron Point opposite Naughton Gve Blackburn ME_YGR023
Date and Time Sunday 8th January 2017 11:00am
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 rP mg/L P Air ° C Water ° C Turb FTU Turb NTU
Sample 0.04 63.79 5 170 7.2 0.01 36.1 27.9 35
Weather windy
Last rainfall More than a week ago
Flow estimate
Water Appearance
Stream depth 1m - 2m
Stream width
Hazards
Litter/Pollutants plastic,other: leaf debris

SB, EB, JS

Swallows skimming, dragonflies

La Motte DO unreliable, don't use

Creatures Waterwatch method

Image Species Score Quantity
Dragonfly Nymph (Odonata) Dragonfly Nymph (Odonata) 6 1
Freshwater Shrimp/Prawn (Atyidae) Freshwater Shrimp/Prawn (Atyidae) 5 3
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 50
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 54 Total score: 15 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

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