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

Katherine River EE130809KA02

Source Department of Environment and Natural Resources (Daly River)
Latest Sample Date 01-01-2009
Taxa count ORDER 6
Taxa count FAMILY 7
Taxa count ALT 11
Mayflies present? 36
ORDER FAMILY ALT
SIGNAL 5.2 4.9 2.5
Weighted SIGNAL 7.5 8 3.9

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Minimal Use 1.2.5 Traditional indigenous uses, 1.3.0 Other minimal use, 1.3.1 Defence land - natural areas, 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 73.15% 653,120,983,507m2
  Natural 1.1.3 National park 24.11% 215,247,193,720m2
Show minor land uses 11
8,928,901,835m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Acarina MM 2 6
Hydrodroma sp.(Unident.) MM070199
2
Hydrodroma sp.(Unident.)
Coleoptera QC 6 5
Laccophilus sp.(Unident.) QC090199
6
Laccophilus sp.(Unident.)
Laccophilus sp.(Unident.)
Diptera QD 8 3
Paratanytarsus sp.(Unident.) QDAH0699
5
Xenochironomus sp.(Unident.) QDAI0599
2
Dicrotendipes sp.(Unident.) QDAI0699
1
Ephemeroptera QE 36 9
Cloeon sp.(Unident.) QE020299
1
Pseudocloeon sp.(Unident.) QE020599
35
Trichoptera QT 10 8
Hellyethira sp.(Unident.) QT030499
2
Hydroptila sp.(Unident.) QT030599
1
Orthotrichia sp.(Unident.) QT030999
7
Unknown 176
Unknown
176
ORDER
SIGNALT 5.2
Weighted SIGNALT 5.0