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

Namoi River @ Harparary Bridge NAMO575

Source Office of Environment and Heritage
Latest Sample Date 04-11-1999
Taxa count ORDER 7
Taxa count FAMILY 13
Taxa count ALT 13
Mayflies present? 101
ORDER FAMILY ALT
SIGNAL 3.7 3.9 2.6
Weighted SIGNAL 4 3.5

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 47.94% 1,084,153,462,572m2
  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, 4.4.2 Irrigated olives, 4.4.4 Irrigated vine fruits, 4.5.3 Irrigated seasonal vegetables and herbs, 4.5.4 Irrigated turf farming 25.28% 571,603,448,145m2
  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 19.27% 435,760,700,447m2
Show minor land uses 11
22,614,296,091m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Isopoda OR 4 2
Cirolanidae (Unident.) OR129999
4
Unknown OT 13
Palaemonidae (Unident.) OT029999
13
Palaemonidae (Unident.)
Unknown OV 2
Parastacidae (Unident.) OV019999
2
Parastacidae (Unident.)
Parastacidae (Unident.)
Coleoptera QC 115 5
Hydrophilidae (Unident.) QC119999
12
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydraenidae (Unident.) QC139999
99
Hydraenidae (Unident.)
Curculionidae (Unident.) QCAN9999
4
Curculionidae (Unident.)
Curculionidae (Unident.)
Ephemeroptera QE 101 9
Baetidae (Unident.) QE029999
99
Caenidae (Unident.) QE089999
2
Hemiptera QH 37 2
Mesoveliidae (Unident.) QH529999
1
Hebridae (Unident.) QH539999
7
Veliidae (Unident.) QH569999
5
Corixidae (Unident.) QH659999
24
Trichoptera QT 7 8
Leptoceridae (Unident.) QT259999
7
ORDER
SIGNALT 3.7
Weighted SIGNALT 4.3
Taxa Abundance SIGNALT Grade
Isopoda OR 1 2
Cirolanidae (Unident.) OR129999
1
Unknown OT 11
Palaemonidae (Unident.) OT029999
11
Palaemonidae (Unident.)
Coleoptera QC 2 5
Dytiscidae (Unident.) QC099999
1
Hydraenidae (Unident.) QC139999
1
Hydraenidae (Unident.)
Diptera QD 110 3
Tanypodinae (Unident.) QDAE9999
11
Chironominae (Unident.) QDAJ9999
99
Ephemeroptera QE 1 9
Leptophlebiidae (Unident.) QE069999
1
Hemiptera QH 99 2
Corixidae (Unident.) QH659999
99
Trichoptera QT 3 8
Leptoceridae (Unident.) QT259999
3
ORDER
SIGNALT 4.1
Weighted SIGNALT 3.0