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  6. 08-01-2023

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

Melbourne

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ME_YMR112 Yarra River Catchment

Sunday 8th January 2023 14:00pm Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
123.01%
Dissolved Oxygen mg/L
10mg/L
Electrical Conductivity
1220µS/cm
pH
8.4pH Units
Reactive Phosphate (mg/L)
0.02mg/L P
Temperature - AIR
33.1° C
Temperature - WATER
25.7° C
Turbidity - NTU
60NTU

Water Conditions

Weather
Sunny
Last rainfall
During the last week
Flow estimate
 
Water Appearance
Milky
Stream depth
 
Stream width
 
Hazards
 
Litter/Pollutants
 

Water Bugs Agreed Level Taxonomy Method

Image Species Score Quantity
Image
a. Family Hydropsychidae (net spinning caddis) 6 40
Image
a. Family Hyriidae (freshwater mussels) 5 1
c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) 5 10
Image
d. Family Hymenosomatidae (five cent crab, false spider crab) 3 12
e. Family Chironomidae, several genera (blood worms) e. Family Chironomidae, several genera (blood worms) 4 5
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 1 1
g. Family Chironomidae (chironomids - True Fly larvae) g. Family Chironomidae (chironomids - True Fly larvae) 4 4
g. Family Physidae, Species Physa acuta (snail) g. Family Physidae, Species Physa acuta (snail) 2 5
h. Family Notonectidae , Genus Enithares (robust backswimmers) h. Family Notonectidae , Genus Enithares (robust backswimmers) 3 1
Image
j. Family Dytiscidae, various genera (little diving beetles) 1 1
l. Family Corixidae , Genus Sigara (striped boatman) l. Family Corixidae , Genus Sigara (striped boatman) 4 2
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 3 6
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 12
ALT Signal Score 3.57
Weighted ALT Signal Score 4.10

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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