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

Namoi River @ Walgett NAMO505

Source Office of Environment and Heritage
Latest Sample Date 29-10-1997
Taxa count ORDER 5
Taxa count FAMILY 7
Taxa count ALT 7
Mayflies present? 0
ORDER FAMILY ALT
SIGNAL 3 2.4 2
Weighted SIGNAL 1.2 3.2

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Minimal Use 1.3.0 Other minimal use, 1.3.2 Stock route, 1.3.3 Residual native cover, 1.3.4 Rehabilitation, 2.1.0 Grazing native vegetation 42.52% 1,637,996,922,575m2
  Arable Farming 3.3.0 Cropping, 3.3.1 Cereals, 3.3.3 Hay and silage, 3.4.0 Perennial horticulture, 3.4.1 Tree fruits, 3.4.2 Olives, 3.4.3 Tree nuts, 3.4.4 Vine fruits, 3.4.9 Grapes, 4.3.0 Irrigated cropping, 4.3.3 Irrigated hay and silage, 4.3.6 Irrigated cotton, 4.4.0 Irrigated perennial horticulture, 4.4.1 Irrigated tree fruits, 4.4.2 Irrigated olives, 4.4.4 Irrigated vine fruits, 4.4.9 Irrigated grapes, 4.5.3 Irrigated seasonal vegetables and herbs, 4.5.4 Irrigated turf farming 26.66% 1,027,042,717,545m2
  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 13.37% 514,930,990,590m2
  Natural 1.1.1 Strict nature reserves, 1.1.3 National park, 1.1.7 Other conserved area, 1.2.0 Managed resource protection, 1.2.1 Biodiversity 8.33% 320,976,052,480m2
  Forestry 2.2.0 Production native forests, 3.1.0 Plantation forests 6.34% 244,023,180,278m2
Show minor land uses 9
38,518,908,806m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Unknown OT 19
Atyidae (Unident.) OT019999
10
Atyidae (Unident.)
Atyidae (Unident.)
Palaemonidae (Unident.) OT029999
9
Palaemonidae (Unident.)
Unknown OV 4
Parastacidae (Unident.) OV019999
4
Parastacidae (Unident.)
Parastacidae (Unident.)
Coleoptera QC 1 5
Dytiscidae (Unident.) QC099999
1
Hemiptera QH 183 2
Corixidae (Unident.) QH659999
147
Notonectidae (Unident.) QH679999
36
Trichoptera QT 1 8
Leptoceridae (Unident.) QT259999
1
ORDER
SIGNALT 3.0
Weighted SIGNALT 1.8
Taxa Abundance SIGNALT Grade
Isopoda OR 1 2
Cirolanidae (Unident.) OR129999
1
Unknown OT 28
Palaemonidae (Unident.) OT029999
28
Palaemonidae (Unident.)
Coleoptera QC 2 5
Dytiscidae (Unident.) QC099999
2
Diptera QD 8 3
Ceratopogonidae (Unident.) QD099999
4
Ceratopogonidae (Unident.)
Tanypodinae (Unident.) QDAE9999
1
Chironominae (Unident.) QDAJ9999
3
Ephemeroptera QE 3 9
Caenidae (Unident.) QE089999
3
Hemiptera QH 84 2
Corixidae (Unident.) QH659999
84
Trichoptera QT 1 8
Leptoceridae (Unident.) QT259999
1
ORDER
SIGNALT 4.1
Weighted SIGNALT 2.9