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Catchments
Yarra River Catchment
ME_YMR112
Site visits
05-03-2017
Merri Creek, u/s of St Georges Rd Bridge, North Fitzroy
Melbourne
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ME_YMR112 Yarra River Catchment
Sunday 5th March 2017 14:00pm
Approved
Notes
Physical Chemical Tests
Ammonium
0
mg/L NH4+
Dissolved Oxygen % Saturation
86.62
%
Dissolved Oxygen mg/L
7
mg/L
Electrical Conductivity
1370
µS/cm
pH
8
pH Units
Reactive Phosphate (mg/L)
0.15
mg/L P
Temperature - AIR
30.3
° C
Temperature - WATER
26
° C
Turbidity - NTU
9
NTU
Water Conditions
Weather
Cloudy
Last rainfall
During the last week
Flow estimate
Water Appearance
Clear
Stream depth
0 - 50cm
Stream width
Hazards
Litter/Pollutants
Water Bugs
Agreed Level Taxonomy Method
Image
Species
Score
Quantity
a. Family Hydropsychidae (net spinning caddis)
6
100
b. Family Ecnomidae, Genus Ecnomus (bandit caddis)
4
1
c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells)
4
9
c. Phylum Annelida, class Hirudinea, (leeches)
1
1
d. Family Simuliidae (black fly larvae)
5
100
e. Family Chironomidae, several genera (blood worms)
1
20
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph)
2
5
f. Corduliid / libellulid like dragonflies - various families (spider mud eye)
5
2
g. Family Chironomidae (chironomids - True Fly larvae)
3
80
g. Family Physidae, Species Physa acuta (snail)
1
1
i. Family Notonectidae , Genus Anisops (slender backswimmers)
1
8
j. Family Dytiscidae, (nosey tigers)
2
2
j. Family Dytiscidae, various genera (little diving beetles)
1
2
m. Family Corixidae , Genus Micronecta (little brindle boatman)
2
100
q. Family Leptoceridae, Genus Triplectides (stick caddis)
4
10
t. Family Leptoceridae, Genus Notalina (Headbanger caddis)
6
90
ALT
Signal Score
3.50
Weighted
ALT
Signal Score
4.02
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
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First data:
End date
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