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  6. 27-03-2022

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

Melbourne

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ME_YMR141 Yarra River Catchment

Sunday 27th March 2022 10:30am Approved
Notes

Water Conditions

Weather
Sunny
Last rainfall
More than a week ago
Flow estimate
LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
Water Appearance
Clear
Stream depth
0 - 50cm
Stream width
> 5m
Hazards
 
Litter/Pollutants
 

Water Bugs Agreed Level Taxonomy Method

Image Species Score Quantity
Image
a. Family Hydropsychidae (net spinning caddis) 6 30
Image
a. Family Hyriidae (freshwater mussels) 5 1
c. Family Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 3 20
Image
c. Phylum Annelida, class Hirudinea, (leeches) 1 2
e. Family Chironomidae, several genera (blood worms) e. Family Chironomidae, several genera (blood worms) 4 10
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 1 10
Image
f. Family Lymnaeidae (lim nay ids - snail) 1 1
g. Family Chironomidae (chironomids - True Fly larvae) g. Family Chironomidae (chironomids - True Fly larvae) 4 10
Image
g. Family Hydrophilidae (water scavenger beetle adult) 2 10
g. Family Physidae, Species Physa acuta (snail) g. Family Physidae, Species Physa acuta (snail) 2 4
Image
g. Order Acarina, (water mites) 5 2
h. Family Planorbidae, various genera (planorbids - snails) h. Family Planorbidae, various genera (planorbids - snails) 1 1
i. Family Notonectidae , Genus Anisops (slender backswimmers) i. Family Notonectidae , Genus Anisops (slender backswimmers) 2 1
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 3 1
o. Family Corixidae genus Agraptocorixa (static boatmen) o. Family Corixidae genus Agraptocorixa (static boatmen) 1 1
Image
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 12
ALT Signal Score 2.94
Weighted ALT Signal Score 3.49

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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