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Catchments
Barwon River Catchment
CO_LWN040
Site visits
22-04-2015
Lake Wendouree, granite ston path opp gardens
Corangamite
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CO_LWN040 Barwon River Catchment
Wednesday 22nd April 2015 12:25pm
Approved
Notes
Physical Chemical Tests
Dissolved Oxygen % Saturation
71.88
%
Dissolved Oxygen mg/L
7.8
mg/L
Electrical Conductivity
1420
µS/cm
pH
8.4
pH Units
Reactive Phosphate (mg/L)
0.02
mg/L P
Temperature - AIR
12
° C
Temperature - WATER
11.5
° C
Turbidity - NTU
0.71
NTU
Water Conditions
Weather
Sunny
Last rainfall
Flow estimate
PERMANENT: wetlands and lakes
Water Appearance
Clear
Stream depth
1m - 2m
Stream width
Hazards
Litter/Pollutants
Water Bugs
Agreed Level Taxonomy Method
Image
Species
Score
Quantity
c. Family Atyidae (glass shrimp)
4
50
d. Phylum Annelida, class Oligochaeta, (worms)
1
2
e. Family Hydroptilidae (micro caddis)
4
50
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph)
2
50
e. Phylum Turbellaria ( flatworms)
1
10
f. Corduliid / libellulid like dragonflies - various families (spider mud eye)
5
1
f. Order Amphipoda (scuds, sideswimmers)
3
200
g. Family Chironomidae (chironomids - True Fly larvae)
3
10
g. Family Physidae, Species Physa acuta (snail)
1
25
g. Order Acarina, (water mites)
5
30
h. Family Dytiscidae, Genus Australphilus (Beetle adult)
7
1
j. Family Dytiscidae, (nosey tigers)
2
1
m. Family Corixidae , Genus Micronecta (little brindle boatman)
2
100
n. Family Corixidae , Species Diaprepocoris (Barry four-eyes)
6
2
r. Family Leptoceridae, Genus Oecetis (log cabin caddis)
6
1
t. Family Leptoceridae, Genus Notalina (Headbanger caddis)
6
20
ALT
Signal Score
3.69
Weighted
ALT
Signal Score
3.35
Diary photos
No diary entries recorded for this visit
Physical Chemical Trends
Loading chart
Test 1
Dissolved Oxygen mg/L
Temperature - WATER
Temperature - AIR
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Dissolved Oxygen % Saturation
Turbidity - NTU
Test 2
Dissolved Oxygen mg/L
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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22-04-2015
27-10-2015
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