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

Lachlan River d/s Lake Cargelligo Weir LACH511

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? 2
ORDER FAMILY ALT
SIGNAL 4.5 3.8 3.1
Weighted SIGNAL 0.8 3.1

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, 4.4.0 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 42.82% 1,477,558,154,432m2
  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 26.47% 913,500,295,665m2
  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 22.09% 762,368,998,587m2
Show minor land uses 11
34,505,472,827m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Unknown OT 548
Atyidae (Unident.) OT019999
542
Atyidae (Unident.)
Atyidae (Unident.)
Palaemonidae (Unident.) OT029999
6
Palaemonidae (Unident.)
Coleoptera QC 21 5
Hydrophilidae (Unident.) QC119999
21
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Diptera QD 4 3
Culicidae (Unident.) QD079999
2
Culicidae (Unident.)
Ceratopogonidae (Unident.) QD099999
2
Ceratopogonidae (Unident.)
Ephemeroptera QE 2 9
Baetidae (Unident.) QE029999
2
Hemiptera QH 16 2
Corixidae (Unident.) QH659999
16
Trichoptera QT 2 8
Leptoceridae (Unident.) QT259999
2
ORDER
SIGNALT 4.5
Weighted SIGNALT 3.1
Taxa Abundance SIGNALT Grade
Unknown OT 30
Atyidae (Unident.) OT019999
24
Atyidae (Unident.)
Atyidae (Unident.)
Palaemonidae (Unident.) OT029999
6
Palaemonidae (Unident.)
Coleoptera QC 12 5
Dytiscidae (Unident.) QC099999
7
Hydrophilidae (Unident.) QC119999
3
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Curculionidae (Unident.) QCAN9999
2
Curculionidae (Unident.)
Curculionidae (Unident.)
Hemiptera QH 16 2
Hydrometridae (Unident.) QH549999
1
Veliidae (Unident.) QH569999
5
Corixidae (Unident.) QH659999
10
ORDER
SIGNALT 2.3
Weighted SIGNALT 2.2