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

Collie River East Branch - US Diversion Site CR-18

Source Department of Water and Environment Regulation
Latest Sample Date 20-01-2009
Taxa count ORDER 5
Taxa count FAMILY 7
Taxa count ALT 7
Mayflies present? 0
ORDER FAMILY ALT
SIGNAL 4 3.7 2.3
Weighted SIGNAL 3 3.9

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Forestry 2.2.0 Production native forests, 3.1.0 Plantation forests 66.64% 45,424,850,376m2
  Arable Farming 3.3.0 Cropping, 4.4.1 Irrigated tree fruits 14.40% 9,819,021,697m2
  Minimal Use 1.3.0 Other minimal use, 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 11.19% 7,627,766,855m2
  Natural 1.1.1 Strict nature reserves, 1.1.3 National park, 1.1.7 Other conserved area 4.44% 3,026,506,688m2
Show minor land uses 7
681,661,506m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Acarina MM 13 6
Hydracarina (Unident.) MM9999A8
13
Hydracarina (Unident.)
Amphipoda OP 1470 3
Ceinidae (Unident.) OP029999
1470
Ceinidae (Unident.)
Ceinidae (Unident.)
Ceinidae (Unident.)
Coleoptera QC 2 5
Dytiscidae (Unident.) QC099999
2
Diptera QD 61 3
Ceratopogonidae (Unident.) QD099999
2
Ceratopogonidae (Unident.)
Tanypodinae (Unident.) QDAE9999
35
Chironominae (Unident.) QDAJ9999
24
Odonata QO 1 3
Hemicordulia sp.(Unident.) QO300199
1
ORDER
SIGNALT 4.0
Weighted SIGNALT 3.9