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Catchments
Yarra River Catchment
ME_YMR112
Site visits
01-10-2017
Merri Creek, u/s of St Georges Rd Bridge, North Fitzroy
Melbourne
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ME_YMR112 Yarra River Catchment
Sunday 1st October 2017 14:00pm
Approved
Notes
Physical Chemical Tests
Ammonium
0.02
mg/L NH4+
Dissolved Oxygen % Saturation
103.59
%
Dissolved Oxygen mg/L
10
mg/L
Electrical Conductivity
1070
µS/cm
pH
8.6
pH Units
Reactive Phosphate (mg/L)
0.1
mg/L P
Temperature - AIR
19
° C
Temperature - WATER
16.9
° C
Turbidity - NTU
9
NTU
Water Conditions
Weather
Overcast
Last rainfall
More than a week ago
Flow estimate
Water Appearance
Clear
Stream depth
0 - 50cm
Stream width
> 5m
Hazards
Litter/Pollutants
paper,plastic,polystyrene
Water Bugs
Agreed Level Taxonomy Method
Image
Species
Score
Quantity
b. Family Ecnomidae, Genus Ecnomus (bandit caddis)
4
12
b. Family Synlestidae (Damselfly nymph)
3
1
c. Family Hydrobiosidae (hunter caddis)
8
1
c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells)
4
5
d. Phylum Annelida, class Oligochaeta, (worms)
1
5
e. Family Chironomidae, several genera (blood worms)
1
3
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph)
2
8
e. Phylum Turbellaria ( flatworms)
1
1
f. Family Ceratopogonidae (pogs)
4
1
g. Family Chironomidae (chironomids - True Fly larvae)
3
12
g. Family Physidae, Species Physa acuta (snail)
1
1
g. Order Isopoda, Family Janiridae (water slaters)
3
2
m. Family Corixidae , Genus Micronecta (little brindle boatman)
2
1
t. Family Leptoceridae, Genus Notalina (Headbanger caddis)
6
1
ALT
Signal Score
4.00
Weighted
ALT
Signal Score
3.96
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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