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

ST GEORGE RIVER AT HENDERSON TRACK D/S DAM 3576

Source EPA Victoria
Latest Sample Date 10-10-2006
Taxa count ORDER 12
Taxa count FAMILY 21
Taxa count ALT 22
Mayflies present? 31
ORDER FAMILY ALT
SIGNAL 4.8 5.4 5.5
Weighted SIGNAL 6.2 5 5.9

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Natural 1.1.3 National park, 1.1.7 Other conserved area 90.99% 1,568,795,060m2
  Pastoral Farming 3.2.0 Grazing modified pastures 7.74% 133,525,113m2
Show minor land uses 3
17,240,743m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 10 1
Hydrobiidae (Unident.) KG029999
9
Physidae (Unident.) KG089999
1
Bivalvia KP 5 3
Sphaeriidae/Corbiculidae KP9999A1
5
Oligochaeta LO 9 2
Oligochaeta (Unident.) LO999999
9
Acarina MM 8 6
Mites (Unident.) MM999999
8
Mites (Unident.)
Amphipoda OP 6 3
Ceinidae (Unident.) OP029999
6
Ceinidae (Unident.)
Ceinidae (Unident.)
Ceinidae (Unident.)
Unknown OT 16
Atyidae (Unident.) OT019999
16
Atyidae (Unident.)
Atyidae (Unident.)
Coleoptera QC 48 5
Scirtidae (Unident.) QC209999
15
Scirtidae (Unident.)
Elmidae (Unident.) QC349999
6
Elmidae (Unident.)
Elmidae (Unident.)(Larvae) QC34999I
15
Elmidae (Unident.)(Larvae)
Psephenidae (Unident.) QC379999
12
Psephenidae (Unident.)
Psephenidae (Unident.)
Diptera QD 9 3
Dolichopodidae (Unident.) QD369999
3
Orthocladiinae (Unident.) QDAF9999
6
Ephemeroptera QE 31 9
Baetidae (Unident.) QE029999
1
Leptophlebiidae (Unident.) QE069999
30
Megaloptera QM 2 8
Corydalidae (Unident.) QM019999
2
Corydalidae (Unident.)
Plecoptera QP 30 10
Gripopterygidae (Unident.) QP039999
30
Trichoptera QT 16 8
Hydrobiosidae (Unident.) QT019999
4
Glossosomatidae (Unident.) QT029999
1
Hydropsychidae (Unident.) QT069999
1
Conoesucidae (Unident.) QT159999
7
Calamoceratidae (Unident.) QT249999
3
ORDER
SIGNALT 4.8
Weighted SIGNALT 5.1