Waterwatch Data Portal

  1. Waterwatch Data Portal
  2. Yarra River Catchment
  3. ME_YGR020
  4. Site visits
  5. 03-03-2018

ME_YGR020 Blackburn Lake at the Landing, a constructed platform on the edge of the lake

3 March 2018

Overview Notes Phy Chem Tests Creatures Diary Photos 3
Site visit details

Overview

Catchment Yarra River
Site Blackburn Lake at the Landing, a constructed platform on the edge of the lake ME_YGR020
Date and Time Saturday 3rd March 2018 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 55.75 4.7 170 6.9 0 21 23.9 35
Weather sunny
Last rainfall During the last week
Flow estimate STAGNANT: No continuous flow in channel but channel continuous (in-stream habitats connected)
Water Appearance Clear,Stained brown
Stream depth 1m - 2m
Stream width
Hazards
Litter/Pollutants polystyrene,other: tennis ball

Monitors: Su Dempsy, Elaine Boucher, John Shortridge, Tanveer Alvi

Not much litter, some oily scum and floating pollen.

Looks as if Melbourne Water has done a clean-up!

No waterbugs were collected but dragonflies and lots of mosquito fish were observed.

 

Creatures Waterwatch method

Image Species Score Quantity
Caddis-fly Larvae (Trichoptera) Caddis-fly Larvae (Trichoptera) 7 8
Mayfly nymph (Ephemeroptera) Mayfly nymph (Ephemeroptera) 7 6
Freshwater Shrimp/Prawn (Atyidae) Freshwater Shrimp/Prawn (Atyidae) 5 17
Yabbies/Marron/Gilgie Freshwater (Decapoda) Yabbies/Marron/Gilgie Freshwater (Decapoda) 5 3
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: 85 Total score: 29 Overall rating: Poor

Diary photos

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