Site visit details

Overview

Catchment Yarra River
Site Merri Creek @Ceres East Brunswick ME_YMR118
Date and Time Wednesday 29th November 2006 09:30am
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 0.18 900 7.9 0.1 19 17 10
Weather cloudy
Last rainfall During the last week
Flow estimate
Water Appearance Clear
Stream depth
Stream width
Hazards
Litter/Pollutants

Creatures Waterwatch method

Image Species Score Quantity
Caddis-fly Larvae (Trichoptera) Caddis-fly Larvae (Trichoptera) 7 15
Damselfly Nymph (Odonata) Damselfly Nymph (Odonata) 6 18
Dragonfly Nymph (Odonata) Dragonfly Nymph (Odonata) 6 17
Freshwater Shrimp/Prawn (Atyidae) Freshwater Shrimp/Prawn (Atyidae) 5 8
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) 3 7
Flatworms (Turbellaria) 3 11
Freshwater Snails (Gastropoda) Freshwater Snails (Gastropoda) 3 85
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 32
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 28
Non Biting Midge Larvae - Bloodworms (Diptera) Non Biting Midge Larvae - Bloodworms (Diptera) 1 37
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 258 Total score: 39 Overall rating: Good

Diary photos

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