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  6. 02-04-2023

Merri Creek, near footbridge 57 Connolly Ave, Coburg (opp De Chene Reserve)

Melbourne

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ME_YMR141 Yarra River Catchment

Sunday 2nd April 2023 10:00am Approved
Notes

Water Conditions

Weather
Sunny
Last rainfall
During the last 24 hours 3.40
Flow estimate
BANKFULL: High flow within channel capacity and in-stream habitats connected
Water Appearance
Clear
Stream depth
1m - 2m
Stream width
> 5m
Hazards
 
Litter/Pollutants
 

Water Bugs Agreed Level Taxonomy Method

Image Species Score Quantity
Image
a. Family Hydropsychidae (net spinning caddis) 6 10
Image
a. Family Hyriidae (freshwater mussels) 5 7
Image
a. Family Psephenidae, Genus Sclerocyphon (water pennies) 6 4
b. Family Ecnomidae, Genus Ecnomus (bandit caddis) b. Family Ecnomidae, Genus Ecnomus (bandit caddis) 6 2
c. Family Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 3 4
Image
d. Family Simuliidae (black fly larvae) 5 1
d. Phylum Annelida, class Oligochaeta, (worms) d. Phylum Annelida, class Oligochaeta, (worms) 2 12
e. Family Chironomidae, several genera (blood worms) e. Family Chironomidae, several genera (blood worms) 4 20
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 1 10
f. Corduliid / libellulid like dragonflies - various families (spider mud eye) f. Corduliid / libellulid like dragonflies - various families (spider mud eye) 4 3
Image
f. Order Amphipoda (scuds, sideswimmers) 3 2
Image
g. Family Hydrophilidae (water scavenger beetle adult) 2 4
Image
h. Family Telephlebiidae (teleflebs - Dragonfly nymphs) 9 1
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 3 20
o. Family Corixidae genus Agraptocorixa (static boatmen) o. Family Corixidae genus Agraptocorixa (static boatmen) 1 2
Image
p. Family Leptoceridae Unidentified, various genera (Caddis fly larvae) 6 1
q. Family Leptoceridae, Genus Triplectides (stick caddis) q. Family Leptoceridae, Genus Triplectides (stick caddis) 3 4
Image
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 2
ALT Signal Score 4.17
Weighted ALT Signal Score 3.79

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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