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 4th October 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 0.02 78.81 7 1220 7.9 0.1 26.7 21 9
Weather sunny
Last rainfall More than a week ago
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 8
c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) 5 3
c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) 1 1
c. Phylum Annelida, class Hirudinea, (leeches) c. Phylum Annelida, class Hirudinea, (leeches) 1 1
d. Phylum Annelida, class Oligochaeta, (worms) 2 1
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 1 50
e. Phylum Turbellaria ( flatworms) e. Phylum Turbellaria ( flatworms) 1 1
g. Family Chironomidae (chironomids - True Fly larvae) 4 30
g. Family Physidae, Species Physa acuta (snail) 2 2
i. Family Notonectidae , Genus Anisops (slender backswimmers) 2 1
j. Family Dytiscidae, various genera (little diving beetles) j. Family Dytiscidae, various genera (little diving beetles) 1 2
l. Family Culicidae (mosquito larvae, wrigglers) l. Family Culicidae (mosquito larvae, wrigglers) 1 2
m. Family Corixidae , Genus Micronecta (little brindle boatman) 3 10
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 16
ALT Signal Score 2.57
Weighted ALT Signal Score 3.23

Diary photos

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