Site visit details

Overview

Catchment Yarra River
Site Blackburn Lake at Heron Point opposite Naughton Gve Blackburn ME_YGR023
Date and Time Sunday 2nd March 2014 10:30am
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 0.03 68 6 190 0.01 18 19.5 20
Weather sunny
Last rainfall During the last week
Flow estimate MEDIUM: flow is normal/typical average flow
Water Appearance Stained brown
Stream depth 1m - 2m
Stream width 2m - 5m
Hazards
Litter/Pollutants plastic

Habitat

Bank Erosion Stability Bank Vegetation In Stream Cover Riffles Pools Bends Verge Vegetation Overall
Fair 3 Good 8 Good 8 Poor 2 Good 8 Good 29

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
Damselfly Nymph (Odonata) Damselfly Nymph (Odonata) 6 1
Freshwater Shrimp/Prawn (Atyidae) Freshwater Shrimp/Prawn (Atyidae) 5 7
Yabbies/Marron/Gilgie Freshwater (Decapoda) Yabbies/Marron/Gilgie Freshwater (Decapoda) 5 1
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 50
Non Biting Midge Larvae - Bloodworms (Diptera) Non Biting Midge Larvae - Bloodworms (Diptera) 1 1
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 64 Total score: 35 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

Creative Commons CC BY
All content, files, data and images provided by the Waterwatch Data Portal and Gallery are subject to a Creative Commons Attribution License

Content is made available to be used in any way, and should always attribute Waterwatch and www.vic.waterwatch.org.au