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

Hamersley River - South Coast Highway HAMR-03

Source Department of Water and Environment Regulation
Latest Sample Date 10-11-2008
Taxa count ORDER 3
Taxa count FAMILY 5
Taxa count ALT 5
Mayflies present? 0
ORDER FAMILY ALT
SIGNAL 2 2.4 1.8
Weighted SIGNAL 3 2.3

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Arable Farming 3.3.0 Cropping 48.86% 4,201,753,688m2
  Minimal Use 1.3.0 Other minimal use, 1.3.3 Residual native cover 35.32% 3,036,864,046m2
  Forestry 3.1.0 Plantation forests 13.04% 1,121,384,427m2
Show minor land uses 4
85,992,808m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Anostraca OD 4 1
Thamnocephalidae (Unident.) OD039999
4
Thamnocephalidae (Unident.)
Thamnocephalidae (Unident.)
Thamnocephalidae (Unident.)
Isopoda OR 10 2
Oniscidae sp.(Unident.) OR259999
10
Oniscidae sp.(Unident.)
Diptera QD 317 3
Culicidae (Unident.) QD079999
230
Culicidae (Unident.)
Ceratopogonidae (Unident.) QD099999
20
Ceratopogonidae (Unident.)
Chironominae (Unident.) QDAJ9999
67
ORDER
SIGNALT 2.0
Weighted SIGNALT 2.3