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  6. 14-09-2009

Lake Tom Thumb Eaglehawk

North Central

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NC_LBE001 Loddon River Catchment

Monday 14th September 2009 14:00pm Approved
Notes

Physical Chemical Tests

Electrical Conductivity
295µS/cm
pH
7pH Units
Reactive Phosphate (mg/L)
0.15mg/L P
Temperature - WATER
20.4° C
Turbidity - NTU
50NTU

Water Conditions

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

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Caddis-fly Larvae (Trichoptera) 7 2
Image
Mayfly nymph (Ephemeroptera) 7 40
Image
Water mites (Acarina) 5 40
Image
Yabbies/Marron/Gilgie Freshwater (Decapoda) 5 1
Image
Beetle larvae (Coleoptera) 4 1
Flatworms (Turbellaria) Flatworms (Turbellaria) 3 20
Image
Freshwater Snails (Gastropoda) 3 20
Image
Roundworms (Nematoda) 3 5
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 200
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 329 Total score: 40 Overall rating: Very Good

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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