Site visit details

Overview

Catchment Yarra River
Site Merri Creek @ Ida Street ME_YMR114
Date and Time Saturday 20th October 2007 13:30pm
Approved Approved

Notes

Physical Chemical Tests

Ammon-Nit mg/L NH3-N N mg/L NH4+ D.O. % EC µS/cm pH pH Units rP mg/L P Air ° C Water ° C Turb NTU
Sample 78 1530 8 0.02 30.3 18.5 10
Weather sunny
Last rainfall More than a week ago
Flow estimate
Water Appearance Clear
Stream depth
Stream width
Hazards
Litter/Pollutants

Creatures Waterwatch method

Image Species Score Quantity
Mayfly nymph (Ephemeroptera) Mayfly nymph (Ephemeroptera) 7 11
Damselfly Nymph (Odonata) Damselfly Nymph (Odonata) 6 20
Freshwater Shrimp/Prawn (Atyidae) Freshwater Shrimp/Prawn (Atyidae) 5 7
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) 3 6
Freshwater Snails (Gastropoda) Freshwater Snails (Gastropoda) 3 20
Roundworms (Nematoda) Roundworms (Nematoda) 3 1
Side Swimmer/Scud (Amphipoda) Side Swimmer/Scud (Amphipoda) 4 720
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 3
Biting Midge Larvae (Diptera) Biting Midge Larvae (Diptera) 2 740
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 1528 Total score: 37 Overall rating: Good

Diary photos

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