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

ROBERTS CREEK AT ROBERTS CREEK ROAD 39500

Source EPA Victoria
Latest Sample Date 10-12-1998
Taxa count ORDER 9
Taxa count FAMILY 24
Taxa count ALT 25
Mayflies present? 28
ORDER FAMILY ALT
SIGNAL 5.3 5.2 5
Weighted SIGNAL 6 5 6.2

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Forestry 2.2.0 Production native forests 80.47% 2,633,867,687m2
  Pastoral Farming 3.2.0 Grazing modified pastures 13.68% 447,604,971m2
Show minor land uses 4
32,730,176m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Turbellaria IF 1 2
Dugesiidae (Unident.) IF619999
1
Oligochaeta LO 9 2
Oligochaeta (Unident.) LO999999
9
Acarina MM 16 6
Mites (Unident.) MM999999
16
Mites (Unident.)
Coleoptera QC 27 5
Hydraenidae (Unident.) QC139999
1
Hydraenidae (Unident.)
Elmidae (Unident.) QC349999
7
Elmidae (Unident.)
Elmidae (Unident.)(Larvae) QC34999I
1
Elmidae (Unident.)(Larvae)
Psephenidae (Unident.) QC379999
18
Psephenidae (Unident.)
Psephenidae (Unident.)
Diptera QD 69 3
Ceratopogonidae (Unident.) QD099999
2
Ceratopogonidae (Unident.)
Simuliidae (Unident.) QD109999
19
Simuliidae (Unident.)
Empididae (Unident.) QD359999
1
Dolichopodidae (Unident.) QD369999
1
Tanypodinae (Unident.) QDAE9999
1
Orthocladiinae (Unident.) QDAF9999
38
Chironominae (Unident.) QDAJ9999
7
Ephemeroptera QE 28 9
Baetidae (Unident.) QE029999
6
Ameletopsidae (Unident.) QE049999
1
Leptophlebiidae (Unident.) QE069999
21
Odonata QO 5 3
Gomphidae (Unident.) QO139999
1
Telephlebiidae (Unident.) QO219999
3
Synthemistidae (Unident.) QO239999
1
Plecoptera QP 7 10
Gripopterygidae (Unident.) QP039999
7
Trichoptera QT 54 8
Hydrobiosidae (Unident.) QT019999
15
Limnephilidae (Unident.) QT109999
20
Tasimiidae (Unident.) QT139999
1
Conoesucidae (Unident.) QT159999
18
ORDER
SIGNALT 5.3
Weighted SIGNALT 5.8