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  6. 02-02-2015

Williamsons Creek

Corangamite

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CO_WIL010 Barwon River Catchment

Monday 2nd February 2015 14:00pm Approved
Notes

Physical Chemical Tests

Dissolved Oxygen % Saturation
60%
Dissolved Oxygen mg/L
5mg/L
Electrical Conductivity
4000µS/cm
pH
7.6pH Units
Reactive Phosphate (mg/L)
0.14mg/L P
Temperature - AIR
22.5° C
Temperature - WATER
22° C
Turbidity - NTU
14NTU

Water Conditions

Weather
Cloudy
Last rainfall
More than a week ago 2
Flow estimate
LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
Water Appearance
Other: duckweed
Stream depth
1m - 2m
Stream width
2m - 5m
Hazards
 
Litter/Pollutants

Water Bugs Agreed Level Taxonomy Method

Image Species Score Quantity
Image
d. Family Notonemouridae (noto nemoor ids - Stonefly nymph) 6 20
d. Phylum Annelida, class Oligochaeta, (worms) d. Phylum Annelida, class Oligochaeta, (worms) 1 1
e. Family Chironomidae, several genera (blood worms) e. Family Chironomidae, several genera (blood worms) 1 50
Image
e. Family Hydroptilidae (micro caddis) 4 1
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 2 5
Image
e. Phylum Turbellaria ( flatworms) 1 75
Image
f. Family Hydrophilidae Genus Berosus (water scavenger beetle larvae) 2 1
Image
f. Order Amphipoda (scuds, sideswimmers) 3 500
g. Family Physidae, Species Physa acuta (snail) g. Family Physidae, Species Physa acuta (snail) 1 5
Image
h. Family Telephlebiidae (teleflebs - Dragonfly nymphs) 9 1
Image
j. Family Naucoridae, Genus Naucoris (creeping water bugs) 2 10
k. Family Dytiscidae, various genera (mixed diving beetles) k. Family Dytiscidae, various genera (mixed diving beetles) 1 10
Image
l. Family Dytiscidae, (swimming water tigers) 2 20
n. Family Corixidae , Species Diaprepocoris (Barry four-eyes) n. Family Corixidae , Species Diaprepocoris (Barry four-eyes) 6 5
q. Family Leptoceridae, Genus Triplectides (stick caddis) q. Family Leptoceridae, Genus Triplectides (stick caddis) 4 1
ALT Signal Score 3.33
Weighted ALT Signal Score 3.15

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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