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  6. 01-10-2023

Merri Creek, u/s of St Georges Rd Bridge, North Fitzroy

Melbourne

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ME_YMR112 Yarra River Catchment

Sunday 1st October 2023 14:00pm Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
76.95%
Dissolved Oxygen mg/L
7mg/L
Electrical Conductivity
1820µS/cm
pH
8.6pH Units
Reactive Phosphate (mg/L)
0.02mg/L P
Temperature - AIR
26.2° C
Temperature - WATER
19.7° C
Turbidity - NTU
15NTU

Water Conditions

Weather
Sunny
Last rainfall
More than a week ago
Flow estimate
MEDIUM: flow is normal/typical average flow
Water Appearance
Clear
Stream depth
51cm - 99cm
Stream width
2m - 5m
Hazards
 
Litter/Pollutants
 

Water Bugs Agreed Level Taxonomy Method

Image Species Score Quantity
Image
a. Family Hydropsychidae (net spinning caddis) 6 5
c. Family Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 3 19
c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) 5 30
Image
d. Family Hymenosomatidae (five cent crab, false spider crab) 3 9
e. Family Hydrobiidae - Potamopyrgus antipodarum (species - snail) e. Family Hydrobiidae - Potamopyrgus antipodarum (species - snail) 3 8
Image
f. Family Ceratopogonidae (pogs) 4 1
g. Family Chironomidae (chironomids - True Fly larvae) g. Family Chironomidae (chironomids - True Fly larvae) 4 30
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 3 2
q. Family Leptoceridae, Genus Triplectides (stick caddis) q. Family Leptoceridae, Genus Triplectides (stick caddis) 3 2
Image
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 4
ALT Signal Score 4.00
Weighted ALT Signal Score 4.04

Diary photos

Physical Chemical Trends

Last data:
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