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  6. 23-11-2008

Yarrowee R @ South Durham Bridge

Corangamite

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CO_YAR200 Barwon River Catchment

Sunday 23rd November 2008 11:00am Approved
Notes

Physical Chemical Tests

Dissolved Oxygen % Saturation
62%
Dissolved Oxygen mg/L
4mg/L
Electrical Conductivity
1000µS/cm
pH
8pH Units
Reactive Phosphate (mg/L)
0.14mg/L P
Temperature - AIR
16.5° C
Temperature - WATER
13° C
Turbidity - NTU
9NTU

Water Conditions

Weather
Last rainfall
 
Flow estimate
 
Water Appearance
 
Stream depth
 
Stream width
 
Hazards
 
Litter/Pollutants
 

Habitat

Needs weed control (patersons curse, hemlock and many other mixed weeds)

Bank control rock emaknment 2005

Native plantings occuring from 2004 west branch 2003 east branch

Bank Erosion Stability Bank Vegetation In Stream Cover Riffles Pools Bends Verge Vegetation Overall
Good 4 Poor 4 Poor 4 Excellent 5 Poor 4 21

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Mayfly nymph (Ephemeroptera) 7 5
Image
Damselfly Nymph (Odonata) 6 10
Image
Freshwater Shrimp/Prawn (Atyidae) 5 10
Image
Freshwater Snails (Gastropoda) 3 20
Image
Leeches (Hirudinea) 3 3
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 240
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 1
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 289 Total score: 29 Overall rating: Fair

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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