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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 8
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 10:00am
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 Rain mm rP mg/L P Air ° C Water ° C Turb FTU Turb NTU
Sample 0 52.85 4.9 148 6.8 0 18 19 56
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 1m - 2m
Stream width
Hazards
Litter/Pollutants bottles,plastic,waxed cardboard,polystyrene

Monitors: Tanveer Alvi, Elaine Boucher, Anne Payne, John Shortridge, Arhaan Alvi

Changes since last monitored: Rain! Steady, first since 24th January (rained 55mm from 20th to 24th January)

What stands out: Water muddy, lots of plant debries, water level very high

Other Observations: Pacific Black duck, Dusky moorhen, flowering tips emerging on Cumbungi, other reeds in flower.

Creatures Waterwatch method

Image Species Score Quantity
Damselfly Nymph (Odonata) Damselfly Nymph (Odonata) 6 2
Freshwater Shrimp/Prawn (Atyidae) Freshwater Shrimp/Prawn (Atyidae) 5 15
Water mites (Acarina) Water mites (Acarina) 5 4
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 21
Non Biting Midge Larvae - Bloodworms (Diptera) Non Biting Midge Larvae - Bloodworms (Diptera) 1 3
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 45 Total score: 21 Overall rating: Poor

Diary photos

High water level and muddy water following good amount of rain in the last 1-3 days.
Reeds flowering
High water level
Not a monitoring site

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