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NOTICE: SIGNALT Calculations are currently running through final testing and may be inaccurate until completed.

Marra CK @ Salisbury 62545

Source Office of Environment and Heritage
Latest Sample Date 06-10-2005
Taxa count ORDER 10
Taxa count FAMILY 17
Taxa count ALT 17
Mayflies present? 4
ORDER FAMILY ALT
SIGNAL 3.6 3.4 1.8
Weighted SIGNAL 3.3 3.5

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Minimal Use 1.3.0 Other minimal use, 1.3.2 Stock route, 1.3.3 Residual native cover, 1.3.4 Rehabilitation, 2.1.0 Grazing native vegetation 78.49% 228,531,909,043m2
  Arable Farming 3.3.0 Cropping, 3.3.3 Hay and silage, 3.3.6 Cotton, 4.3.0 Irrigated cropping, 4.3.6 Irrigated cotton, 4.4.9 Irrigated grapes 13.52% 39,367,414,987m2
  Natural 1.2.0 Managed resource protection, 1.2.2 Surface water supply 4.03% 11,747,123,831m2
Show minor land uses 5
2,911,698,193m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Acarina MM 2 6
Mites (Unident.) MM999999
2
Mites (Unident.)
Unknown OG 6
Cladocera (Unident.) OG999999
6
Unknown OH 52
Ostracoda (Unident.) OH999999
52
Unknown OJ 19
Copepoda (Unident.) OJ999999
19
Coleoptera QC 56 5
Dytiscidae (Unident.) QC099999
23
Hydrophilidae (Unident.) QC119999
33
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Diptera QD 148 3
Culicidae (Unident.) QD079999
8
Culicidae (Unident.)
Culicidae (Unident.)
Ceratopogonidae (Unident.) QD099999
40
Ceratopogonidae (Unident.)
Ceratopogonidae (Unident.)
Stratiomyidae (Unident.) QD249999
2
Tanypodinae (Unident.) QDAE9999
56
Chironominae (Unident.) QDAJ9999
42
Ephemeroptera QE 4 9
Baetidae (Unident.) QE029999
4
Hemiptera QH 40 2
Veliidae (Unident.) QH569999
1
Corixidae (Unident.) QH659999
28
Notonectidae (Unident.) QH679999
11
Odonata QO 21 3
Corduliidae (Unident.) QO169999
21
Trichoptera QT 18 8
Leptoceridae (Unident.) QT259999
18
ORDER
SIGNALT 3.6
Weighted SIGNALT 3.1