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

Lachlan River d/s Cottons Weir Forbes LACH513

Source Office of Environment and Heritage
Latest Sample Date 02-12-1997
Taxa count ORDER 5
Taxa count FAMILY 9
Taxa count ALT 9
Mayflies present? 7
ORDER FAMILY ALT
SIGNAL 3.8 3.8 2.2
Weighted SIGNAL 2.2 3.8

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Pastoral Farming 3.2.0 Grazing modified pastures, 3.2.3 Pasture legumes, 3.2.5 Sown grasses, 4.2.0 Grazing irrigated modified pastures 33.08% 637,597,408,747m2
  Minimal Use 1.3.0 Other minimal use, 1.3.3 Residual native cover, 1.3.4 Rehabilitation, 2.1.0 Grazing native vegetation 32.75% 631,302,899,775m2
  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, 3.4.9 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 23.04% 444,216,133,127m2
  Natural 1.1.1 Strict nature reserves, 1.1.3 National park, 1.2.0 Managed resource protection, 1.2.1 Biodiversity, 1.2.2 Surface water supply 4.22% 81,263,615,822m2
Show minor land uses 10
19,276,067,474m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Unknown OT 55
Atyidae (Unident.) OT019999
12
Atyidae (Unident.)
Atyidae (Unident.)
Palaemonidae (Unident.) OT029999
43
Palaemonidae (Unident.)
Coleoptera QC 17 5
Dytiscidae (Unident.) QC099999
5
Hydrophilidae (Unident.) QC119999
6
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydraenidae (Unident.) QC139999
5
Hydraenidae (Unident.)
Staphylinidae (Unident.) QC189999
1
Diptera QD 1 3
Chironominae (Unident.) QDAJ9999
1
Ephemeroptera QE 7 9
Baetidae (Unident.) QE029999
7
Hemiptera QH 28 2
Corixidae (Unident.) QH659999
28
ORDER
SIGNALT 3.8
Weighted SIGNALT 3.3
Taxa Abundance SIGNALT Grade
Unknown OT 55
Atyidae (Unident.) OT019999
46
Atyidae (Unident.)
Atyidae (Unident.)
Palaemonidae (Unident.) OT029999
9
Palaemonidae (Unident.)
Coleoptera QC 3 5
Hydrophilidae (Unident.) QC119999
3
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Diptera QD 3 3
Orthocladiinae (Unident.) QDAF9999
3
Ephemeroptera QE 2 9
Baetidae (Unident.) QE029999
2
Hemiptera QH 45 2
Hydrometridae (Unident.) QH549999
2
Veliidae (Unident.) QH569999
5
Gerridae (Unident.) QH579999
29
Corixidae (Unident.) QH659999
9
ORDER
SIGNALT 3.8
Weighted SIGNALT 2.3