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 12th April 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 81.89 8 620 7.8 0.06 17.2 16.4 9
Weather sunny
Last rainfall During the last week
Flow estimate
Water Appearance Clear
Stream depth
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 30
a. Family Psephenidae, Genus Sclerocyphon (water pennies) a. Family Psephenidae, Genus Sclerocyphon (water pennies) 6 1
c. Family Atyidae (glass shrimp) 3 3
d. Family Simuliidae (black fly larvae) d. Family Simuliidae (black fly larvae) 5 4
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 1 20
e. Phylum Turbellaria ( flatworms) e. Phylum Turbellaria ( flatworms) 1 1
f. Corduliid / libellulid like dragonflies - various families (spider mud eye) 4 3
g. Family Chironomidae (chironomids - True Fly larvae) 4 100
g. Family Physidae, Species Physa acuta (snail) 2 1
i. Family Aeshnidae (Dragonfly nymph - Couta mud eye) 4 1
i. Family Notonectidae , Genus Anisops (slender backswimmers) 2 10
j. Family Dytiscidae, various genera (little diving beetles) j. Family Dytiscidae, various genera (little diving beetles) 1 2
m. Family Corixidae , Genus Micronecta (little brindle boatman) 3 100
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 100
ALT Signal Score 3.43
Weighted ALT Signal Score 3.76

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