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

Gairdner River - Evgai02 EVGAI02

Source Department of Water and Environment Regulation
Latest Sample Date 06-11-2008
Taxa count ORDER 4
Taxa count FAMILY 7
Taxa count ALT 7
Mayflies present? 0
ORDER FAMILY ALT
SIGNAL 3.2 3.1 1.3
Weighted SIGNAL 3 1.7

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Arable Farming 3.3.0 Cropping 77.72% 85,725,129,406m2
  Minimal Use 1.3.0 Other minimal use, 1.3.3 Residual native cover 15.45% 17,041,221,486m2
  Pastoral Farming 3.2.0 Grazing modified pastures 4.07% 4,485,689,914m2
Show minor land uses 6
1,103,066,701m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Oligochaeta LO 5 2
Oligochaeta (Unident.) LO999999
5
Amphipoda OP 3 3
Ceinidae (Unident.) OP029999
3
Ceinidae (Unident.)
Ceinidae (Unident.)
Ceinidae (Unident.)
Coleoptera QC 5 5
Coleoptera (Unident.) QCZZ9999
5
Coleoptera (Unident.)
Coleoptera (Unident.)
Coleoptera (Unident.)
Coleoptera (Unident.)
Coleoptera (Unident.)
Diptera QD 16 3
Culicidae (Unident.) QD079999
6
Culicidae (Unident.)
Stratiomyidae (Unident.) QD249999
1
Ephydridae (Unident.) QD789999
3
Ephydridae (Unident.)
Chironominae (Unident.) QDAJ9999
6
ORDER
SIGNALT 3.2
Weighted SIGNALT 3.2