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

Isabella River @ Swatchfield Springs LACH110

Source Office of Environment and Heritage
Latest Sample Date 09-12-1998
Taxa count ORDER 13
Taxa count FAMILY 30
Taxa count ALT 30
Mayflies present? 112
ORDER FAMILY ALT
SIGNAL 4.2 4.9 4.2
Weighted SIGNAL 5.7 5.1

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Forestry 2.2.0 Production native forests 26.86% 3,198,982,602m2
  Pastoral Farming 3.2.0 Grazing modified pastures 24.71% 2,942,673,905m2
  Forestry Plantation 3.1.2 Softwood plantation forestry 21.95% 2,614,848,829m2
  Minimal Use 1.3.0 Other minimal use, 2.1.0 Grazing native vegetation 21.76% 2,591,843,561m2
Show minor land uses 4
119,107,277m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 41 1
Physidae (Unident.) KG089999
41
Bivalvia KP 4 3
Corbiculidae (Unident.) KP029999
4
Oligochaeta LO 1 2
Oligochaeta (Unident.) LO999999
1
Acarina MM 1 6
Mites (Unident.) MM999999
1
Mites (Unident.)
Amphipoda OP 18 3
Ceinidae (Unident.) OP029999
18
Ceinidae (Unident.)
Ceinidae (Unident.)
Ceinidae (Unident.)
Unknown OT 16
Atyidae (Unident.) OT019999
16
Atyidae (Unident.)
Atyidae (Unident.)
Coleoptera QC 45 5
Dytiscidae (Unident.) QC099999
4
Hydrophilidae (Unident.) QC119999
3
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydraenidae (Unident.) QC139999
2
Hydraenidae (Unident.)
Scirtidae (Unident.) QC209999
2
Scirtidae (Unident.)
Elmidae (Unident.) QC349999
34
Elmidae (Unident.)
Elmidae (Unident.)
Diptera QD 57 3
Ceratopogonidae (Unident.) QD099999
8
Ceratopogonidae (Unident.)
Simuliidae (Unident.) QD109999
21
Simuliidae (Unident.)
Tanypodinae (Unident.) QDAE9999
7
Orthocladiinae (Unident.) QDAF9999
1
Chironominae (Unident.) QDAJ9999
20
Ephemeroptera QE 112 9
Baetidae (Unident.) QE029999
10
Leptophlebiidae (Unident.) QE069999
94
Caenidae (Unident.) QE089999
8
Hemiptera QH 5 2
Veliidae (Unident.) QH569999
5
Odonata QO 23 3
Coenagrionidae (Unident.) QO029999
11
Lestidae (Unident.) QO059999
2
Synlestidae (Unident.) QO089999
9
Diphlebiidae (Unident.) QO099999
1
Plecoptera QP 98 10
Gripopterygidae (Unident.) QP039999
98
Trichoptera QT 66 8
Hydrobiosidae (Unident.) QT019999
29
Glossosomatidae (Unident.) QT029999
3
Hydroptilidae (Unident.) QT039999
1
Conoesucidae (Unident.) QT159999
1
Leptoceridae (Unident.) QT259999
32
ORDER
SIGNALT 4.2
Weighted SIGNALT 4.6