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

Hill River - Twyata Nature Res HR-05

Source Department of Water and Environment Regulation
Latest Sample Date 30-09-2008
Taxa count ORDER 4
Taxa count FAMILY 5
Taxa count ALT 5
Mayflies present? 0
ORDER FAMILY ALT
SIGNAL 4 3.8 1.2
Weighted SIGNAL 3 2.8

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Arable Farming 3.3.0 Cropping 35.15% 7,261,908,337m2
  Pastoral Farming 3.2.0 Grazing modified pastures, 3.2.2 Woody fodder plants, 4.2.0 Grazing irrigated modified pastures 30.27% 6,254,747,686m2
  Natural 1.1.1 Strict nature reserves, 1.1.3 National park 20.36% 4,206,420,960m2
  Minimal Use 1.3.0 Other minimal use, 1.3.3 Residual native cover 10.22% 2,111,836,856m2
Show minor land uses 9
206,620,458m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Acarina MM 20 6
Hydracarina (Unident.) MM9999A8
20
Hydracarina (Unident.)
Coleoptera QC 3 5
Dytiscidae (Unident.) QC099999
3
Diptera QD 56 3
Culicidae (Unident.) QD079999
24
Culicidae (Unident.)
Chironominae (Unident.) QDAJ9999
32
Hemiptera QH 1 2
Notonectidae (Unident.) QH679999
1
ORDER
SIGNALT 4.0
Weighted SIGNALT 4.2