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

Torrens Lake 1855

Source Australian Water Quality Centre
Latest Sample Date 25-10-1997
Taxa count ORDER 8
Taxa count FAMILY 11
Taxa count ALT 14
Mayflies present? 0
ORDER FAMILY ALT
SIGNAL 2.1 2 1.6
Weighted SIGNAL 1.8 2.8 2.6

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Pastoral Farming 3.2.0 Grazing modified pastures, 3.2.1 Native/exotic pasture mosaic, 3.2.3 Pasture legumes, 3.2.4 Pasture legume/grass mixtures, 3.2.5 Sown grasses, 4.2.0 Grazing irrigated modified pastures, 4.2.2 Irrigated pasture legumes, 4.2.3 Irrigated legume/grass mixtures, 4.2.4 Irrigated sown grasses 35.10% 17,138,275,158m2
  Residential And Infrastructure 5.4.0 Residential and farm infrastructure, 5.4.1 Urban residential, 5.4.2 Rural residential with agriculture, 5.4.3 Rural residential without agriculture, 5.4.5 Farm buildings/infrastructure, 5.5.0 Services, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.5.5 Research facilities, 5.6.0 Utilities, 5.6.7 Water extraction and transmission, 5.7.0 Transport and communication, 5.7.2 Roads, 5.7.5 Navigation and communication 27.16% 13,260,915,386m2
  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 13.11% 6,399,855,901m2
  Natural 1.1.3 National park, 1.1.4 Natural feature protection, 1.1.6 Protected landscape, 1.1.7 Other conserved area, 1.2.2 Surface water supply, 1.2.4 Landscape 10.07% 4,917,005,139m2
  Arable Farming 3.3.0 Cropping, 3.3.1 Cereals, 3.3.3 Hay and silage, 3.4.0 Perennial horticulture, 3.4.1 Tree fruits, 3.4.2 Olives, 3.4.5 Shrub berries and fruits, 3.4.6 Perennial flowers and bulbs, 3.4.8 Citrus, 4.3.1 Irrigated cereals, 4.4.0 Irrigated perennial horticulture, 4.4.1 Irrigated tree fruits, 4.4.2 Irrigated olives, 4.4.3 Irrigated tree nuts, 4.4.4 Irrigated vine fruits, 4.4.5 Irrigated shrub berries and fruits, 4.4.6 Irrigated perennial flowers and bulbs, 4.4.8 Irrigated citrus, 4.4.9 Irrigated grapes, 4.5.0 Irrigated seasonal horticulture, 4.5.2 Irrigated seasonal flowers and bulbs, 4.5.3 Irrigated seasonal vegetables and herbs 6.37% 3,112,686,731m2
  Forestry Plantation 3.1.1 Hardwood plantation forestry, 3.1.2 Softwood plantation forestry, 3.1.3 Other forest plantation, 3.1.4 Environmental forest plantation, 4.1.1 Irrigated hardwood plantation forestry 3.42% 1,671,081,818m2
Show minor land uses 8
488,288,357m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Unknown IB 43
Hydra sp.(Unident.) IB010199
25
Cordylophora sp.(Unident.) IB020199
18
Turbellaria IF 15 2
Turbellaria (Unident.) IF999999
15
Nematoda II 44 3
Nematoda (Unident.) II999999
44
Gastropoda KG 4 1
Hydrobiidae (Unident.) KG029999
4
Oligochaeta LO 99 2
Nais sp.(Unident.) LO050199
1
Chaetogaster sp.(Unident.) LO050799
1
Oligochaeta (Unident.) LO999999
97
Acarina MM 1 6
Oribatida (Unident.) MM9999A1
1
Oribatida (Unident.)
Unknown QA 1
Hypogastruridae (Unident.) QA049999
1
Diptera QD 28 3
Cricotopus sp.(Unident.) QDAF1599
3
Chironomus sp.(Unident.) QDAI0499
2
Chironomus sp.(Unident.)
Dicrotendipes conjunctus QDAI0603
14
Chironomini (Unident.) QDAI9999
9
ORDER
SIGNALT 2.1
Weighted SIGNALT 2.0
Taxa Abundance SIGNALT Grade
Unknown IB 17
Hydra sp.(Unident.) IB010199
4
Cordylophora sp.(Unident.) IB020199
13
Turbellaria IF 16 2
Turbellaria (Unident.) IF999999
16
Nematoda II 14 3
Nematoda (Unident.) II999999
14
Gastropoda KG 8 1
Ferrissia petterdi KG060101
7
Isidorella hainesii KG070302
1
Oligochaeta LO 34 2
Tubificidae (Unident.) LO049999
1
Chaetogaster sp.(Unident.) LO050799
1
Oligochaeta (Unident.) LO999999
32
Unknown OV 2
Cherax destructor destructor OV010101
2
Cherax destructor destructor
Cherax destructor destructor
Diptera QD 170 3
Chironomus sp.(Unident.) QDAI0499
70
Chironomus sp.(Unident.)
Dicrotendipes sp.(Unident.) QDAI0699
3
Kiefferulus sp.(Unident.) QDAI0799
55
Cladopelma sp.(Unident.) QDAI2299
42
Cladopelma sp.(Unident.)
Hemiptera QH 43 2
Micronecta sp.(Unident.) QH650599
43
ORDER
SIGNALT 1.6
Weighted SIGNALT 1.9