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

Orara River 41076

Source Office of Environment and Heritage
Latest Sample Date 01-05-2008
Taxa count ORDER 10
Taxa count FAMILY 22
Taxa count ALT 22
Mayflies present? 12
ORDER FAMILY ALT
SIGNAL 4.8 4.7 4.3
Weighted SIGNAL 5.1 5.1

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 49.67% 50,212,274,323m2
  Forestry 2.2.0 Production native forests, 3.1.0 Plantation forests 22.85% 23,103,031,138m2
  Natural 1.1.1 Strict nature reserves, 1.1.3 National park, 1.2.0 Managed resource protection 13.80% 13,947,117,875m2
  Pastoral Farming 3.2.0 Grazing modified pastures, 3.2.1 Native/exotic pasture mosaic, 3.2.5 Sown grasses, 4.2.0 Grazing irrigated modified pastures 6.92% 6,997,933,706m2
Show minor land uses 10
1,010,942,923m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Acarina MM 4 6
Mites (Unident.) MM999999
4
Mites (Unident.)
Isopoda OR 1 2
Corallanidae OR099999
1
Unknown OT 12
Atyidae (Unident.) OT019999
10
Atyidae (Unident.)
Atyidae (Unident.)
Palaemonidae (Unident.) OT029999
2
Palaemonidae (Unident.)
Coleoptera QC 27 5
Gyrinidae (Unident.) QC109999
3
Gyrinidae (Unident.)
Hydrophilidae (Unident.) QC119999
21
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Elmidae (Unident.) QC349999
3
Elmidae (Unident.)
Diptera QD 13 3
Tipulidae (Unident.) QD019999
1
Simuliidae (Unident.) QD109999
9
Simuliidae (Unident.)
Tanypodinae (Unident.) QDAE9999
1
Chironominae (Unident.) QDAJ9999
2
Ephemeroptera QE 12 9
Baetidae (Unident.) QE029999
9
Leptophlebiidae (Unident.) QE069999
3
Hemiptera QH 6 2
Hydrometridae (Unident.) QH549999
2
Veliidae (Unident.) QH569999
2
Gerridae (Unident.) QH579999
2
Odonata QO 2 3
Libellulidae (Unident.) QO179999
2
Plecoptera QP 12 10
Gripopterygidae (Unident.) QP039999
12
Trichoptera QT 19 8
Hydropsychidae (Unident.) QT069999
8
Calocidae (Unident.) QT189999
1
Calamoceratidae (Unident.) QT249999
1
Leptoceridae (Unident.) QT259999
9
ORDER
SIGNALT 4.8
Weighted SIGNALT 5.2