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  5. 15-11-2001

Thowgla Creek (Walwa PS)

North East

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NE_THO050 Catchment

Thursday 15th November 2001 13:30pm Approved
Notes

Physical Chemical Tests

Dissolved Oxygen % Saturation
60%
Electrical Conductivity
46µS/cm
pH
5.5pH Units
Reactive Phosphate (mg/L)
0.015mg/L P
Temperature - WATER
14.3° C
Turbidity - NTU
40NTU

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
a. Family Curculionidae (weevils) 3 4
c. Family Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 0 4
Image
Chironomids 1 15
Image
d. Family Hydrophilidae, Genus Helochares (Beetle adult) 2 5
Image
e. Family Gyrinidae (whirligig beetle adult) 3 1
Image
f. Family Hygrobiidae, Genus Hygrobia (screech beetle adults) 0 45
Image
Caddis-fly Larvae (Trichoptera) 7 30
Image
Mayfly nymph (Ephemeroptera) 7 90
Image
Water mites (Acarina) 5 20
Image
Freshwater Snails (Gastropoda) 3 1
Image
Biting Midge Larvae (Diptera) 2 35
Image
Segmented Worm (Oligochaeta) 1 4
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 254 Total score: 25 Overall rating: Fair

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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