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  6. 06-04-2009

Yarrowee R @ South Durham Bridge

Corangamite

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CO_YAR200 Barwon River Catchment

Monday 6th April 2009 10:00am Approved
Notes

Physical Chemical Tests

Dissolved Oxygen % Saturation
65%
Dissolved Oxygen mg/L
7mg/L
Electrical Conductivity
1800µS/cm
pH
7.5pH Units
Reactive Phosphate (mg/L)
0.3mg/L P
Temperature - AIR
14.5° C
Temperature - WATER
11.5° C
Turbidity - NTU
0NTU

Water Conditions

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

Water Bugs WaterWatch method

Image Species Score Quantity
c. Family Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 0 15
Image
Chironomids 1 5
Image
Freshwater shrimp 5 1
Image
Caddis-fly Larvae (Trichoptera) 7 10
Image
Mayfly nymph (Ephemeroptera) 7 10
Image
Damselfly Nymph (Odonata) 6 30
Image
Freshwater slater (Isopoda) 5 3
Image
Freshwater Snails (Gastropoda) 3 30
Image
Leeches (Hirudinea) 3 60
Image
Side Swimmer/Scud (Amphipoda) 4 50
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 10
Image
Mosquito Larvae (Diptera) 2 24
Image
Segmented Worm (Oligochaeta) 1 10
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 258 Total score: 42 Overall rating: Very Good

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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