Site visit details


Catchment Yarra River
Site Merri Creek, u/s of St Georges Rd Bridge, North Fitzroy ME_YMR112
Date and Time Sunday 4th February 2018 14:00pm
Approved Approved


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 0.03 85.66 7 700 8 0.15 28.7 25.5 9
Weather sunny
Last rainfall During the last week
Flow estimate
Water Appearance Clear
Stream depth
Stream width

Creatures Agreed Level Taxonomy Method

Image Species Score Quantity
a. Family Hydropsychidae (net spinning caddis) a. Family Hydropsychidae (net spinning caddis) 6 100
a. Family Hyriidae (freshwater mussels) a. Family Hyriidae (freshwater mussels) 5 2
b. Family Ecnomidae, Genus Ecnomus (bandit caddis) 4 2
c. Family Atyidae (glass shrimp) 4 2
c. Family Isostictidae (Damselfly nymph) c. Family Isostictidae (Damselfly nymph) 3 1
c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) 3 2
d. Phylum Annelida, class Oligochaeta, (worms) 1 3
e. Family Chironomidae, several genera (blood worms) 1 1
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 2 15
e. Phylum Turbellaria ( flatworms) e. Phylum Turbellaria ( flatworms) 1 1
g. Family Chironomidae (chironomids - True Fly larvae) 3 21
g. Family Physidae, Species Physa acuta (snail) 1 2
i. Family Notonectidae , Genus Anisops (slender backswimmers) 1 4
k. Family Dytiscidae, various genera (mixed diving beetles) 1 1
m. Family Corixidae , Genus Micronecta (little brindle boatman) 2 21
q. Family Leptoceridae, Genus Triplectides (stick caddis) 4 3
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 20
ALT Signal Score 3.29
Weighted ALT Signal Score 3.58

Diary photos

No diary entries recorded for this visit

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