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

LACHLAN RIVER @ Aldinga 65742

Source Office of Environment and Heritage
Latest Sample Date 20-09-2006
Taxa count ORDER 13
Taxa count FAMILY 22
Taxa count ALT 22
Mayflies present? 12
ORDER FAMILY ALT
SIGNAL 2.8 3.4 2.3
Weighted SIGNAL 4.1 3.5

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, 4.4.0 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 44.79% 1,923,146,342,871m2
  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 28.63% 1,229,384,559,369m2
  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 18.50% 794,145,788,350m2
Show minor land uses 11
42,933,244,573m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 3 1
Physidae (Unident.) KG089999
3
Unknown MA 3
Araneae (Unident.) MA999999
3
Acarina MM 2 6
Mites (Unident.) MM999999
2
Mites (Unident.)
Mites (Unident.)
Unknown OG 6
Cladocera (Unident.) OG999999
6
Unknown OH 3
Ostracoda (Unident.) OH999999
3
Unknown OJ 10
Copepoda (Unident.) OJ999999
10
Unknown OT 26
Atyidae (Unident.) OT019999
22
Atyidae (Unident.)
Atyidae (Unident.)
Atyidae (Unident.)
Atyidae (Unident.)
Palaemonidae (Unident.) OT029999
4
Palaemonidae (Unident.)
Coleoptera QC 14 5
Dytiscidae (Unident.) QC099999
8
Hydrophilidae (Unident.) QC119999
6
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Diptera QD 40 3
Culicidae (Unident.) QD079999
2
Culicidae (Unident.)
Ceratopogonidae (Unident.) QD099999
8
Ceratopogonidae (Unident.)
Ceratopogonidae (Unident.)
Orthocladiinae (Unident.) QDAF9999
19
Chironominae (Unident.) QDAJ9999
11
Ephemeroptera QE 12 9
Baetidae (Unident.) QE029999
4
Leptophlebiidae (Unident.) QE069999
1
Caenidae (Unident.) QE089999
7
Hemiptera QH 10 2
Corixidae (Unident.) QH659999
8
Notonectidae (Unident.) QH679999
2
Odonata QO 13 3
Coenagrionidae (Unident.) QO029999
12
Gomphidae (Unident.) QO139999
1
Trichoptera QT 10 8
Leptoceridae (Unident.) QT259999
10
ORDER
SIGNALT 2.8
Weighted SIGNALT 3.0