Site visit details

Overview

Catchment Wimmera
Site Yarriambiack Creek, Warracknabeal @ Lions Park Bridge E bank WI_YRM450
Date and Time Tuesday 22nd March 2011 15:55pm
Approved Approved

Notes

Physical Chemical Tests

Ammon-Nit mg/L NH3-N D.O. % D.O mg/L EC µS/cm Hard mg/L Nitrate-Nit mg/L N pH pH Units rP mg/L P Water ° C P mg/L Turb NTU
Sample 960 200 7.35 0.8 22.2 24
Weather
Last rainfall
Flow estimate
Water Appearance
Stream depth Other:2.19
Stream width
Hazards
Litter/Pollutants

in 2nd month of weekly monitoring after flood flow 

slight decrease in creek depth, still flowing, salinity decreasing 

waterbugs:  1 mayfly nymph, 347 Caddisfly nymph, 2 damsel fly nymph, 13 black water mite, 7 diving beetle larvae, 3 backswimmer, 1 waterboatmen, 1 small water strider, 1 predacious diving beetle, 68 water scavenger beetle, 6 flatworm, 8 freshwater worm, 193 bloodworm, 117 gambuzia  - incrase in variety and numbers to very good stream health rating 

report in YCAC meeting 66

Creatures Waterwatch method

Image Species Score Quantity
Caddis-fly Larvae (Trichoptera) Caddis-fly Larvae (Trichoptera) 7 347
Mayfly nymph (Ephemeroptera) Mayfly nymph (Ephemeroptera) 7 1
Damselfly Nymph (Odonata) Damselfly Nymph (Odonata) 6 2
Water mites (Acarina) Water mites (Acarina) 5 13
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) 3 76
Flatworms (Turbellaria) 3 6
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 4
Non Biting Midge Larvae - Bloodworms (Diptera) Non Biting Midge Larvae - Bloodworms (Diptera) 1 193
Segmented Worm (Oligochaeta) Segmented Worm (Oligochaeta) 1 8
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 650 Total score: 36 Overall rating: Good

Diary photos

No diary entries recorded for this visit

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