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

Gawler River at Preston Rd LEVE06

Source Department of Primary Industries, Parks, Water and Environment
Latest Sample Date 14-10-1997
Taxa count ORDER 9
Taxa count FAMILY 26
Taxa count ALT 26
Mayflies present? 109
ORDER FAMILY ALT
SIGNAL 4.8 5.3 4.2
Weighted SIGNAL 6.3 5.9

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Pastoral Farming 3.2.0 Grazing modified pastures, 4.2.0 Grazing irrigated modified pastures 32.07% 2,861,148,823m2
  Forestry Plantation 3.1.1 Hardwood plantation forestry, 3.1.2 Softwood plantation forestry 18.29% 1,631,977,485m2
  Forestry 2.2.0 Production native forests, 3.1.0 Plantation forests 13.27% 1,183,915,029m2
  Minimal Use 1.3.0 Other minimal use, 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 11.42% 1,018,892,026m2
  Arable Farming 3.3.0 Cropping, 3.3.3 Hay and silage, 4.3.0 Irrigated cropping, 4.4.0 Irrigated perennial horticulture, 4.4.1 Irrigated tree fruits 11.34% 1,011,641,015m2
  Residential And Infrastructure 5.4.1 Urban residential, 5.4.3 Rural residential without agriculture, 5.4.5 Farm buildings/infrastructure, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.7.2 Roads, 5.7.3 Railways 8.98% 800,861,634m2
  Natural 1.1.7 Other conserved area 3.42% 305,292,555m2
Show minor land uses 5
89,222,437m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 12 1
Hydrobiidae (Unident.) KG029999
11
Physidae (Unident.) KG089999
1
Bivalvia KP 3 3
Sphaeriidae (Unident.) KP039999
3
Oligochaeta LO 3 2
Oligochaeta (Unident.) LO999999
3
Coleoptera QC 6 5
Elmidae Adults QC34999A
6
Elmidae Adults
Diptera QD 206 3
Tipulidae (Unident.) QD019999
2
Ceratopogonidae (Unident.) QD099999
4
Ceratopogonidae (Unident.)
Simuliidae (Unident.) QD109999
5
Simuliidae (Unident.)
Simuliidae (Unident.)
Diamesinae (Unident.) QDAB9999
22
Tanypodinae (Unident.) QDAE9999
32
Orthocladiinae (Unident.) QDAF9999
108
Chironominae (Unident.) QDAJ9999
28
Chironomidae (Unident.)(Larva) QDAZ9999
5
Ephemeroptera QE 109 9
Baetidae (Unident.) QE029999
13
Leptophlebiidae (Unident.) QE069999
93
Caenidae (Unident.) QE089999
3
Hemiptera QH 1 2
Corixidae (Unident.) QH659999
1
Plecoptera QP 10 10
Gripopterygidae (Unident.) QP039999
10
Trichoptera QT 71 8
Hydrobiosidae (Unident.) QT019999
15
Hydropsychidae (Unident.) QT069999
8
Ecnomidae (Unident.) QT089999
3
Conoesucidae (Unident.) QT159999
1
Calocidae (Unident.) QT189999
9
Philorheithridae (Unident.) QT219999
14
Atriplectididae (Unident.) QT239999
2
Leptoceridae (Unident.) QT259999
19
ORDER
SIGNALT 4.8
Weighted SIGNALT 5.4
Taxa Abundance SIGNALT Grade
Gastropoda KG 6 1
Physidae (Unident.) KG089999
6
Bivalvia KP 11 3
Sphaeriidae (Unident.) KP039999
11
Oligochaeta LO 6 2
Oligochaeta (Unident.) LO999999
6
Amphipoda OP 12 3
Paramelitidae (Unident.) OP069999
12
Paramelitidae (Unident.)
Paramelitidae (Unident.)
Paramelitidae (Unident.)
Unknown OT 14
Atyidae (Unident.) OT019999
14
Atyidae (Unident.)
Atyidae (Unident.)
Coleoptera QC 36 5
Scirtidae (Unident.) QC209999
5
Scirtidae (Unident.)
Elmidae Adults QC34999A
28
Elmidae Adults
Elmidae Larvae QC34999L
3
Elmidae Larvae
Diptera QD 53 3
Tipulidae (Unident.) QD019999
10
Simuliidae (Unident.) QD109999
3
Simuliidae (Unident.)
Simuliidae (Unident.)
Podonominae (Unident.) QDAD9999
1
Tanypodinae (Unident.) QDAE9999
10
Orthocladiinae (Unident.) QDAF9999
7
Chironominae (Unident.) QDAJ9999
17
Chironomidae (Unident.)(Larva) QDAZ9999
5
Ephemeroptera QE 113 9
Baetidae (Unident.) QE029999
29
Leptophlebiidae (Unident.) QE069999
84
Hemiptera QH 68 2
Veliidae (Unident.) QH569999
13
Corixidae (Unident.) QH659999
55
Plecoptera QP 3 10
Notonemouridae (Unident.) QP049999
3
Trichoptera QT 154 8
Hydrobiosidae (Unident.) QT019999
36
Hydroptilidae (Unident.) QT039999
2
Hydropsychidae (Unident.) QT069999
14
Ecnomidae (Unident.) QT089999
12
Conoesucidae (Unident.) QT159999
4
Calocidae (Unident.) QT189999
33
Philorheithridae (Unident.) QT219999
11
Atriplectididae (Unident.) QT239999
1
Leptoceridae (Unident.) QT259999
41
ORDER
SIGNALT 4.2
Weighted SIGNALT 4.2