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 1st February 2015 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 0.085 60 5 550 8.7 0.14 19 20.7 14
Weather cloudy
Last rainfall During the last 24 hours
Flow estimate
Water Appearance Muddy,Oily
Stream depth 51cm - 99cm
Stream width
Hazards
Litter/Pollutants

Creatures Agreed Level Taxonomy Method

Image Species Score Quantity
b. Family Ecnomidae, Genus Ecnomus (bandit caddis) 6 21
c. Family Atyidae (glass shrimp) 3 40
c. Family Isostictidae (Damselfly nymph) c. Family Isostictidae (Damselfly nymph) 3 6
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 1 50
f. Corduliid / libellulid like dragonflies - various families (spider mud eye) 4 7
g. Family Chironomidae (chironomids - True Fly larvae) 4 10
g. Family Physidae, Species Physa acuta (snail) 2 5
h. Family Notonectidae , Genus Enithares (robust backswimmers) 3 6
i. Family Aeshnidae (Dragonfly nymph - Couta mud eye) 4 2
k. Family Dytiscidae, various genera (mixed diving beetles) 4 15
l. Family Culicidae (mosquito larvae, wrigglers) l. Family Culicidae (mosquito larvae, wrigglers) 1 10
l. Family Dytiscidae, (swimming water tigers) l. Family Dytiscidae, (swimming water tigers) 2 2
m. Family Corixidae , Genus Micronecta (little brindle boatman) 3 21
p. Family Leptoceridae Unidentified, various genera (Caddis fly larvae) p. Family Leptoceridae Unidentified, various genera (Caddis fly larvae) 6 21
ALT Signal Score 3.29
Weighted ALT Signal Score 3.46

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