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

Cataract River d/s Bentanite Fracture HAWK932

Source Office of Environment and Heritage
Latest Sample Date 30-05-2000
Taxa count ORDER 10
Taxa count FAMILY 23
Taxa count ALT 23
Mayflies present? 20
ORDER FAMILY ALT
SIGNAL 4.6 5.5 4.3
Weighted SIGNAL 6.4 5.6

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Minimal Use 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 85.03% 18,084,742,524m2
  Natural 1.1.1 Strict nature reserves, 1.1.3 National park, 1.2.2 Surface water supply 8.00% 1,702,513,944m2
  Water 6.1.0 Lake, 6.2.0 Reservoir/dam, 6.2.1 Reservoir, 6.3.0 River 4.83% 1,026,857,625m2
Show minor land uses 7
212,683,011m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Turbellaria IF 1 2
Dugesiidae (Unident.) IF619999
1
Oligochaeta LO 6 2
Oligochaeta (Unident.) LO999999
6
Acarina MM 4 6
Mites (Unident.) MM999999
4
Mites (Unident.)
Unknown OT 8
Atyidae (Unident.) OT019999
8
Atyidae (Unident.)
Atyidae (Unident.)
Coleoptera QC 15 5
Hydrophilidae (Unident.) QC119999
3
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Scirtidae (Unident.) QC209999
1
Scirtidae (Unident.)
Elmidae (Unident.) QC349999
11
Elmidae (Unident.)
Diptera QD 20 3
Tipulidae (Unident.) QD019999
3
Ceratopogonidae (Unident.) QD099999
4
Ceratopogonidae (Unident.)
Tanypodinae (Unident.) QDAE9999
1
Orthocladiinae (Unident.) QDAF9999
11
Chironominae (Unident.) QDAJ9999
1
Ephemeroptera QE 20 9
Baetidae (Unident.) QE029999
2
Leptophlebiidae (Unident.) QE069999
17
Caenidae (Unident.) QE089999
1
Megaloptera QM 22 8
Corydalidae (Unident.) QM019999
22
Corydalidae (Unident.)
Odonata QO 1 3
Diphlebiidae (Unident.) QO099999
1
Trichoptera QT 26 8
Hydrobiosidae (Unident.) QT019999
1
Philopotamidae (Unident.) QT049999
2
Hydropsychidae (Unident.) QT069999
17
Ecnomidae (Unident.) QT089999
1
Helicopsychidae (Unident.) QT179999
4
Leptoceridae (Unident.) QT259999
1
ORDER
SIGNALT 4.6
Weighted SIGNALT 5.3