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

WALWA CREEK AT MCHARGS ROAD 108

Source EPA Victoria
Latest Sample Date 20-11-1997
Taxa count ORDER 10
Taxa count FAMILY 19
Taxa count ALT 20
Mayflies present? 2
ORDER FAMILY ALT
SIGNAL 4.9 4.8 3.7
Weighted SIGNAL 4.1 5 4

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Pastoral Farming 3.2.0 Grazing modified pastures 57.56% 3,291,918,193m2
  Natural 1.1.1 Strict nature reserves, 1.1.3 National park 32.69% 1,869,521,453m2
  Forestry Plantation 3.1.2 Softwood plantation forestry 7.96% 455,377,015m2
Show minor land uses 1
57,188,451m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Turbellaria IF 3 2
Dugesiidae (Unident.) IF619999
3
Gastropoda KG 14 1
Lymnaeidae (Unident.) KG059999
2
Physidae (Unident.) KG089999
12
Oligochaeta LO 6 2
Oligochaeta (Unident.) LO999999
6
Acarina MM 1 6
Mites (Unident.) MM999999
1
Mites (Unident.)
Coleoptera QC 23 5
Dytiscidae (Unident.)(Larva) QC09999I
2
Hydrophilidae (Unident.) QC119999
9
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)(Larva) QC11999I
5
Hydrophilidae (Unident.)(Larva)
Elmidae (Unident.) QC349999
1
Elmidae (Unident.)
Psephenidae (Unident.) QC379999
6
Psephenidae (Unident.)
Psephenidae (Unident.)
Diptera QD 58 3
Ceratopogonidae (Unident.) QD099999
2
Ceratopogonidae (Unident.)
Simuliidae (Unident.) QD109999
15
Simuliidae (Unident.)
Orthocladiinae (Unident.) QDAF9999
35
Chironominae (Unident.) QDAJ9999
6
Ephemeroptera QE 2 9
Leptophlebiidae (Unident.) QE069999
1
Caenidae (Unident.) QE089999
1
Odonata QO 13 3
Gomphidae (Unident.) QO139999
13
Plecoptera QP 1 10
Gripopterygidae (Unident.) QP039999
1
Trichoptera QT 9 8
Hydroptilidae (Unident.) QT039999
5
Hydropsychidae (Unident.) QT069999
4
ORDER
SIGNALT 4.9
Weighted SIGNALT 4.0
Taxa Abundance SIGNALT Grade
Turbellaria IF 3 2
Dugesia sp.(Unident.) IF610299
3
Gastropoda KG 2 1
Physidae (Unident.) KG089999
2
Oligochaeta LO 1 2
Oligochaeta (Unident.) LO999999
1
Acarina MM 1 6
Mites (Unident.) MM999999
1
Mites (Unident.)
Coleoptera QC 17 5
Gyrinidae (Unident.) QC109999
6
Gyrinidae (Unident.)
Elmidae (Unident.) QC349999
1
Elmidae (Unident.)
Psephenidae (Unident.) QC379999
10
Psephenidae (Unident.)
Psephenidae (Unident.)
Diptera QD 41 3
Simuliidae (Unident.) QD109999
30
Simuliidae (Unident.)
Orthocladiinae (Unident.) QDAF9999
7
Chironominae (Unident.) QDAJ9999
4
Ephemeroptera QE 2 9
Leptophlebiidae (Unident.) QE069999
2
Hemiptera QH 3 2
Veliidae (Unident.) QH569999
1
Corixidae (Unident.) QH659999
2
Odonata QO 7 3
Gomphidae (Unident.) QO139999
6
Telephlebiidae (Unident.) QO219999
1
Trichoptera QT 34 8
Hydroptilidae (Unident.) QT039999
6
Hydropsychidae (Unident.) QT069999
27
Conoesucidae (Unident.) QT159999
1
ORDER
SIGNALT 4.1
Weighted SIGNALT 4.4