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  5. 10-10-2008

ME_YMR148 Merri Creek down stream of the Merlynston Creek confluence, Coborg

10 October 2008

Overview Notes Phy Chem Tests Creatures Diary Photos 0
Site visit details

Overview

Catchment Yarra River
Site Merri Creek down stream of the Merlynston Creek confluence, Coborg ME_YMR148
Date and Time Friday 10th October 2008 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 NTU
Sample 1190 8.6 0.15 23.5 18 10
Weather
Last rainfall
Flow estimate
Water Appearance
Stream depth
Stream width
Hazards
Litter/Pollutants

Creatures Waterwatch method

Image Species Score Quantity
Caddis-fly Larvae (Trichoptera) Caddis-fly Larvae (Trichoptera) 7 2
Damselfly Nymph (Odonata) Damselfly Nymph (Odonata) 6 35
Freshwater Shrimp/Prawn (Atyidae) Freshwater Shrimp/Prawn (Atyidae) 5 30
Freshwater Snails (Gastropoda) Freshwater Snails (Gastropoda) 3 20
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 15
Fly Larvae -True, Black, Crane, March, Horse, and Soldier Fly Larvae (Diptera) Fly Larvae -True, Black, Crane, March, Horse, and Soldier Fly Larvae (Diptera) 2 5
Non Biting Midge Larvae - Bloodworms (Diptera) Non Biting Midge Larvae - Bloodworms (Diptera) 1 15
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 122 Total score: 28 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

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