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

Lachlan River @ Cowra LACH509

Source Office of Environment and Heritage
Latest Sample Date 02-12-1997
Taxa count ORDER 8
Taxa count FAMILY 16
Taxa count ALT 16
Mayflies present? 29
ORDER FAMILY ALT
SIGNAL 3.9 3.9 2.5
Weighted SIGNAL 4 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 38.65% 440,844,350,315m2
  Minimal Use 1.3.0 Other minimal use, 1.3.3 Residual native cover, 1.3.4 Rehabilitation, 2.1.0 Grazing native vegetation 37.67% 429,755,766,044m2
  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, 3.4.9 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, 4.5.3 Irrigated seasonal vegetables and herbs, 4.5.4 Irrigated turf farming 11.54% 131,617,000,259m2
  Natural 1.1.1 Strict nature reserves, 1.1.3 National park, 1.2.0 Managed resource protection, 1.2.1 Biodiversity 4.50% 51,290,639,797m2
Show minor land uses 9
11,407,266,693m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 1 1
Physidae (Unident.) KG089999
1
Unknown OT 3
Atyidae (Unident.) OT019999
2
Atyidae (Unident.)
Atyidae (Unident.)
Palaemonidae (Unident.) OT029999
1
Palaemonidae (Unident.)
Coleoptera QC 39 5
Dytiscidae (Unident.) QC099999
14
Hydrophilidae (Unident.) QC119999
18
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydraenidae (Unident.) QC139999
6
Hydraenidae (Unident.)
Limnichidae (Unident.) QC359999
1
Diptera QD 60 3
Orthocladiinae (Unident.) QDAF9999
59
Chironominae (Unident.) QDAJ9999
1
Ephemeroptera QE 29 9
Baetidae (Unident.) QE029999
25
Caenidae (Unident.) QE089999
4
Hemiptera QH 119 2
Veliidae (Unident.) QH569999
3
Gerridae (Unident.) QH579999
2
Corixidae (Unident.) QH659999
114
Odonata QO 1 3
Coenagrionidae (Unident.) QO029999
1
Trichoptera QT 1 8
Conoesucidae (Unident.) QT159999
1
ORDER
SIGNALT 3.9
Weighted SIGNALT 4.3
Taxa Abundance SIGNALT Grade
Gastropoda KG 27 1
Physidae (Unident.) KG089999
27
Unknown OV 2
Parastacidae (Unident.) OV019999
2
Parastacidae (Unident.)
Parastacidae (Unident.)
Coleoptera QC 14 5
Dytiscidae (Unident.) QC099999
3
Gyrinidae (Unident.) QC109999
3
Gyrinidae (Unident.)
Hydrophilidae (Unident.) QC119999
6
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydraenidae (Unident.) QC139999
2
Hydraenidae (Unident.)
Diptera QD 49 3
Simuliidae (Unident.) QD109999
1
Simuliidae (Unident.)
Orthocladiinae (Unident.) QDAF9999
29
Chironominae (Unident.) QDAJ9999
19
Ephemeroptera QE 47 9
Baetidae (Unident.) QE029999
46
Leptophlebiidae (Unident.) QE069999
1
Hemiptera QH 68 2
Veliidae (Unident.) QH569999
4
Corixidae (Unident.) QH659999
64
Plecoptera QP 4 10
Gripopterygidae (Unident.) QP039999
4
Trichoptera QT 3 8
Hydrobiosidae (Unident.) QT019999
1
Hydroptilidae (Unident.) QT039999
1
Hydropsychidae (Unident.) QT069999
1
ORDER
SIGNALT 4.8
Weighted SIGNALT 4.5