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  6. 03-11-2011

Deans Creek at Irrewillippe Road

Corangamite

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CO_DEN010 Lake Colac Catchment

Thursday 3rd November 2011 14:10pm Approved
Notes

Physical Chemical Tests

Dissolved Oxygen % Saturation
50%
Dissolved Oxygen mg/L
4.8mg/L
Electrical Conductivity
3400µS/cm
pH
7.5pH Units
Reactive Phosphate (mg/L)
0.01mg/L P
Temperature - AIR
18.7° C
Temperature - WATER
15.5° C
Turbidity - NTU
2.75NTU

Water Conditions

Weather
Windy
Last rainfall
During the last 24 hours
Flow estimate
STAGNANT: No continuous flow in channel but channel continuous (in-stream habitats connected)
Water Appearance
Clear
Stream depth
51cm - 99cm
Stream width
2m - 5m
Hazards
 
Litter/Pollutants
other

Habitat

Revegetated site. Good variety in height between trees & understorey
Bank Erosion Stability Bank Vegetation In Stream Cover Riffles Pools Bends Verge Vegetation Overall
Fair 3 Good 8 Poor 4 Poor 2 Poor 4 Fair 21

Water Bugs Agreed Level Taxonomy Method

Image Species Score Quantity
c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) 3 N/A
e. Family Chironomidae, several genera (blood worms) e. Family Chironomidae, several genera (blood worms) 1 N/A
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 2 N/A
Image
f. Family Baetidae (baetids -Mayfly nymph) 5 N/A
Image
f. Order Amphipoda (scuds, sideswimmers) 3 N/A
Image
g. Family Gomphidae (gomphids - Dragonfly nymph) 5 N/A
g. Family Physidae, Species Physa acuta (snail) g. Family Physidae, Species Physa acuta (snail) 1 N/A
Image
g. Order Acarina, (water mites) 5 N/A
h. Family Notonectidae , Genus Enithares (robust backswimmers) h. Family Notonectidae , Genus Enithares (robust backswimmers) 1 N/A
j. Family Dytiscidae, (nosey tigers) j. Family Dytiscidae, (nosey tigers) 2 N/A
n. Family Corixidae , Species Diaprepocoris (Barry four-eyes) n. Family Corixidae , Species Diaprepocoris (Barry four-eyes) 6 N/A
Image
p. Family Leptoceridae Unidentified, various genera (Caddis fly larvae) 6 N/A
q. Family Leptoceridae, Genus Triplectides (stick caddis) q. Family Leptoceridae, Genus Triplectides (stick caddis) 4 N/A
Image
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 N/A
ALT Signal Score
Weighted ALT Signal Score

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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