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

Lachlan River u/s Hillston Weir LACH515

Source Office of Environment and Heritage
Latest Sample Date 12-12-1997
Taxa count ORDER 6
Taxa count FAMILY 8
Taxa count ALT 8
Mayflies present? 0
ORDER FAMILY ALT
SIGNAL 3 2.5 1.8
Weighted SIGNAL 0.4 3

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Arable Farming 3.3.0 Cropping, 3.3.3 Hay and silage, 3.3.5 Sugar, 3.4.0 Perennial horticulture, 3.4.1 Tree fruits, 3.4.2 Olives, 3.4.4 Vine fruits, 3.4.6 Perennial flowers and bulbs, 3.4.8 Citrus, 3.4.9 Grapes, 4.3.0 Irrigated cropping, 4.3.1 Irrigated cereals, 4.3.6 Irrigated cotton, 4.4.0 Irrigated perennial horticulture, 4.4.1 Irrigated tree fruits, 4.4.2 Irrigated olives, 4.4.9 Irrigated grapes, 4.5.0 Irrigated seasonal horticulture, 4.5.3 Irrigated seasonal vegetables and herbs, 4.5.4 Irrigated turf farming 44.63% 1,947,665,060,346m2
  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 29.00% 1,265,639,027,463m2
  Pastoral Farming 3.2.0 Grazing modified pastures, 3.2.1 Native/exotic pasture mosaic, 3.2.2 Woody fodder plants, 3.2.3 Pasture legumes, 3.2.5 Sown grasses, 4.2.0 Grazing irrigated modified pastures 18.27% 797,059,035,433m2
Show minor land uses 11
43,638,406,129m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Unknown OT 255
Atyidae (Unident.) OT019999
244
Atyidae (Unident.)
Atyidae (Unident.)
Palaemonidae (Unident.) OT029999
11
Palaemonidae (Unident.)
Unknown OV 4
Parastacidae (Unident.) OV019999
4
Parastacidae (Unident.)
Parastacidae (Unident.)
Coleoptera QC 1 5
Dytiscidae (Unident.) QC099999
1
Diptera QD 1 3
Chironominae (Unident.) QDAJ9999
1
Hemiptera QH 2 2
Gerridae (Unident.) QH579999
1
Corixidae (Unident.) QH659999
1
Trichoptera QT 1 8
Ecnomidae (Unident.) QT089999
1
ORDER
SIGNALT 3.0
Weighted SIGNALT 1.6
Taxa Abundance SIGNALT Grade
Unknown OT 19
Atyidae (Unident.) OT019999
16
Atyidae (Unident.)
Atyidae (Unident.)
Palaemonidae (Unident.) OT029999
3
Palaemonidae (Unident.)
Coleoptera QC 7 5
Dytiscidae (Unident.) QC099999
1
Hydrophilidae (Unident.) QC119999
6
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hemiptera QH 52 2
Mesoveliidae (Unident.) QH529999
5
Veliidae (Unident.) QH569999
1
Corixidae (Unident.) QH659999
42
Notonectidae (Unident.) QH679999
4
ORDER
SIGNALT 2.3
Weighted SIGNALT 2.1