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

Gairdner River - Rabbitproof Fence Rd GAR-03

Source Department of Water and Environment Regulation
Latest Sample Date 06-11-2008
Taxa count ORDER 4
Taxa count FAMILY 5
Taxa count ALT 5
Mayflies present? 0
ORDER FAMILY ALT
SIGNAL 3.2 3.2 1.4
Weighted SIGNAL 3 2.3

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Arable Farming 3.3.0 Cropping 84.69% 22,957,822,213m2
  Minimal Use 1.3.0 Other minimal use, 1.3.3 Residual native cover 9.11% 2,469,980,872m2
  Pastoral Farming 3.2.0 Grazing modified pastures 3.03% 820,993,642m2
Show minor land uses 3
271,085,401m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Nematoda II 1 3
Nematoda (Unident.) II999999
1
Isopoda OR 1 2
Oniscidae sp.(Unident.) OR259999
1
Oniscidae sp.(Unident.)
Coleoptera QC 3 5
Dytiscidae (Unident.) QC099999
3
Diptera QD 204 3
Culicidae (Unident.) QD079999
2
Culicidae (Unident.)
Chironominae (Unident.) QDAJ9999
202
ORDER
SIGNALT 3.2
Weighted SIGNALT 3.3