Site visit details

Overview

Catchment Yarra River
Site Merri Creek, u/s of St Georges Rd Bridge, North Fitzroy ME_YMR112
Date and Time Sunday 8th January 2017 14:00pm
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 91.41 7 950 8.4 0.1 29 29.1 11
Weather
Last rainfall During the last week
Flow estimate
Water Appearance Stained brown,Muddy
Stream depth 0 - 50cm
Stream width
Hazards
Litter/Pollutants

Creatures Agreed Level Taxonomy Method

Image Species Score Quantity
a. Family Hydropsychidae (net spinning caddis) a. Family Hydropsychidae (net spinning caddis) 6 100
b. Family Ecnomidae, Genus Ecnomus (bandit caddis) 6 1
c. Family Isostictidae (Damselfly nymph) c. Family Isostictidae (Damselfly nymph) 3 2
d. Family Simuliidae (black fly larvae) d. Family Simuliidae (black fly larvae) 5 3
e. Family Chironomidae, several genera (blood worms) 4 5
f. Corduliid / libellulid like dragonflies - various families (spider mud eye) 4 13
g. Family Chironomidae (chironomids - True Fly larvae) 4 20
g. Family Physidae, Species Physa acuta (snail) 2 3
h. Family Telephlebiidae (teleflebs - Dragonfly nymphs) h. Family Telephlebiidae (teleflebs - Dragonfly nymphs) 9 1
i. Family Notonectidae , Genus Anisops (slender backswimmers) 2 14
j. Family Dytiscidae, various genera (little diving beetles) j. Family Dytiscidae, various genera (little diving beetles) 1 5
q. Family Leptoceridae, Genus Triplectides (stick caddis) 3 10
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 40
ALT Signal Score 4.23
Weighted ALT Signal Score 4.19

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