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  5. 02-02-2020

ME_YGR006 Gardiners Creek upstream of Blackburn Lake, at Pobblebonk point, adjacent to Vegemite Creek

2 February 2020

Overview Notes Phy Chem Tests Creatures Diary Photos 2
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 2nd February 2020 10:15am
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 18 19
Weather sunny
Last rainfall During the last 24 hours 25.00
Flow estimate STAGNANT: No continuous flow in channel but channel continuous (in-stream habitats connected)
Water Appearance Muddy
Stream depth
Stream width
Hazards
Litter/Pollutants

Sample collected for macroinvertebrates from Broadwalk at Blackburn Lake Sanctuary.

This site is not a WaterWatch site and is not normally used for collection.

Have entered it as YGR006 because it is closest to this site (the Boardwalk is between 006 Pobblebonk Point and 020 The Landing, but is closer to 006).

Sample collected by Tanveer Alvi

Creatures Waterwatch method

Image Species Score Quantity
Caddis-fly Larvae (Trichoptera) Caddis-fly Larvae (Trichoptera) 7 1
Damselfly Nymph (Odonata) Damselfly Nymph (Odonata) 6 1
Freshwater Shrimp/Prawn (Atyidae) Freshwater Shrimp/Prawn (Atyidae) 5 30
Water mites (Acarina) Water mites (Acarina) 5 3
Yabbies/Marron/Gilgie Freshwater (Decapoda) Yabbies/Marron/Gilgie Freshwater (Decapoda) 5 4
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 500
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 539 Total score: 32 Overall rating: Poor

Diary photos

Ibis nesting at Boardwalk
not a WW site

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