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Catchments
Yarra River Catchment
ME_YMR112
Site visits
05-11-2017
Merri Creek, u/s of St Georges Rd Bridge, North Fitzroy
Melbourne
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ME_YMR112 Yarra River Catchment
Sunday 5th November 2017 14:00pm
Approved
Notes
Physical Chemical Tests
Ammonium
0.05
mg/L NH4+
Dissolved Oxygen % Saturation
76.71
%
Dissolved Oxygen mg/L
7
mg/L
Electrical Conductivity
800
µS/cm
pH
8
pH Units
Reactive Phosphate (mg/L)
0.15
mg/L P
Temperature - AIR
22.5
° C
Temperature - WATER
19.7
° C
Turbidity - NTU
9
NTU
Water Conditions
Weather
Sunny
Last rainfall
During the last week
Flow estimate
Water Appearance
Clear
Stream depth
0 - 50cm
Stream width
> 5m
Hazards
Litter/Pollutants
Water Bugs
Agreed Level Taxonomy Method
Image
Species
Score
Quantity
c. Family Atyidae (glass shrimp)
4
4
c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells)
4
21
d. Phylum Annelida, class Oligochaeta, (worms)
1
1
e. Family Chironomidae, several genera (blood worms)
1
100
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph)
2
9
g. Family Chironomidae (chironomids - True Fly larvae)
3
100
g. Family Physidae, Species Physa acuta (snail)
1
10
h. Family Telephlebiidae (teleflebs - Dragonfly nymphs)
9
1
l. Family Culicidae (mosquito larvae, wrigglers)
1
1
ALT
Signal Score
3.44
Weighted
ALT
Signal Score
3.54
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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01-10-2017
05-11-2017
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