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  6. 20-11-2020

Natimuk Creek @Mitchell St Footbridge (west side)

Wimmera

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WI_KNT705 Wimmera Catchment

Friday 20th November 2020 13:30pm Approved
Notes

Physical Chemical Tests

Electrical Conductivity
5300µS/cm
pH
9pH Units
Temperature - WATER
25° C
Turbidity - NTU
13NTU

Water Conditions

Weather
Overcast
Last rainfall
During the last week
Flow estimate
 
Water Appearance
Stained brown
Stream depth
0 - 50cm
Stream width
2m - 5m
Hazards
 
Litter/Pollutants
 

Habitat

26 = fair rating.

Creek verge is being managed for passive recreation and as such is no longer natural 

Bank Erosion Stability Bank Vegetation In Stream Cover Riffles Pools Bends Verge Vegetation Overall
Good 4 Fair 6 Good 8 Good 4 Poor 4 26

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Caddis-fly Larvae (Trichoptera) 7 2
Image
Damselfly Nymph (Odonata) 6 2
Image
Water mites (Acarina) 5 10
Image
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) 3 1
Image
Beetle larvae (Coleoptera) 4 1
Image
Freshwater Snails (Gastropoda) 3 1
Image
Leeches (Hirudinea) 3 1
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 1
Image
Mosquito Larvae (Diptera) 2 2
Image
Segmented Worm (Oligochaeta) 1 1
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 22 Total score: 38 Overall rating: Good

Diary photos

Diving Beetle and Caddisfly nymph found in the sample - only one of each of these.

Physical Chemical Trends

Last data:
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