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Catchments
Yarra River Catchment
ME_YMR112
Site visits
02-02-2020
Merri Creek, u/s of St Georges Rd Bridge, North Fitzroy
Melbourne
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ME_YMR112 Yarra River Catchment
Sunday 2nd February 2020 14:00pm
Approved
Notes
Physical Chemical Tests
Ammonium
0
mg/L NH4+
Dissolved Oxygen % Saturation
91.95
%
Dissolved Oxygen mg/L
8
mg/L
Electrical Conductivity
380
µS/cm
pH
8
pH Units
Reactive Phosphate (mg/L)
0.2
mg/L P
Temperature - AIR
23.8
° C
Temperature - WATER
22.2
° C
Turbidity - NTU
32
NTU
Water Conditions
Weather
Cloudy
Last rainfall
During the last 24 hours
Flow estimate
HIGH: Less than bankfull and in-stream habitats connected
Water Appearance
Muddy
Stream depth
Stream width
Hazards
Litter/Pollutants
Water Bugs
Agreed Level Taxonomy Method
Image
Species
Score
Quantity
a. Family Hydropsychidae (net spinning caddis)
6
2
b. Phylum Nematoda (roundworms)
3
1
c. Family Isostictidae (Damselfly nymph)
3
1
c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders)
1
2
c. Phylum Annelida, class Hirudinea, (leeches)
1
1
d. Family Simuliidae (black fly larvae)
5
3
e. Family Chironomidae, several genera (blood worms)
4
1
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph)
1
8
g. Family Chironomidae (chironomids - True Fly larvae)
4
5
g. Family Physidae, Species Physa acuta (snail)
2
3
h. Family Notonectidae , Genus Enithares (robust backswimmers)
3
25
i. Family Stratiomyidae (soldier fly larvae)
2
1
j. Family Dytiscidae, various genera (little diving beetles)
1
2
m. Family Corixidae , Genus Micronecta (little brindle boatman)
3
25
o. Family Corixidae genus Agraptocorixa (static boatmen)
1
1
t. Family Leptoceridae, Genus Notalina (Headbanger caddis)
6
7
ALT
Signal Score
2.88
Weighted
ALT
Signal Score
3.06
Diary photos
No diary entries recorded for this visit
Physical Chemical Trends
Loading chart
Test 1
Ammonia-Nitrogen
Ammonium
Dissolved Oxygen mg/L
Filterable Reactive Phosphorus
Nitrate - Nitrogen
Temperature - WATER
Temperature - AIR
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Dissolved Oxygen % Saturation
Turbidity - NTU
Test 2
Ammonia-Nitrogen
Ammonium
Dissolved Oxygen mg/L
Filterable Reactive Phosphorus
Nitrate - Nitrogen
Temperature - WATER
Temperature - AIR
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Dissolved Oxygen % Saturation
Turbidity - NTU
Mininum standard
Any level
Level 1
Level 2
Level 3
Level 4
Start date
First data:
End date
Last data:
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