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  6. 04-07-2010

Yarrowee R @ South Durham Bridge

Corangamite

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CO_YAR200 Barwon River Catchment

Sunday 4th July 2010 10:05am Approved
Notes

Physical Chemical Tests

Dissolved Oxygen % Saturation
75%
Dissolved Oxygen mg/L
9mg/L
Electrical Conductivity
880µS/cm
pH
7pH Units
Reactive Phosphate (mg/L)
0.36mg/L P
Temperature - AIR
10° C
Temperature - WATER
8° C
Turbidity - NTU
14NTU

Water Conditions

Weather
Cloudy
Last rainfall
During the last week 12
Flow estimate
HIGH: Less than bankfull and in-stream habitats connected
Water Appearance
Muddy,Foamy/frothy
Stream depth
3
Stream width
9
Hazards
 
Litter/Pollutants
plastic

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Caddis-fly Larvae (Trichoptera) 7 20
Image
Mayfly nymph (Ephemeroptera) 7 40
Image
Freshwater Mussel (Bivalvia) 5 2
Image
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) 3 6
Flatworms (Turbellaria) Flatworms (Turbellaria) 3 30
Image
Freshwater Snails (Gastropoda) 3 4
Image
Side Swimmer/Scud (Amphipoda) 4 200
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 100
Image
Fly Larvae -True, Black, Crane, March, Horse, and Soldier Fly Larvae (Diptera) 2 8
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 30
Image
Segmented Worm (Oligochaeta) 1 20
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 460 Total score: 39 Overall rating: Very Good

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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