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

Tributary to Bemboka River @ Brown Pearsons Road 33080

Source Office of Environment and Heritage
Latest Sample Date 21-11-2007
Taxa count ORDER 12
Taxa count FAMILY 24
Taxa count ALT 24
Mayflies present? 32
ORDER FAMILY ALT
SIGNAL 4.2 4.3 3.3
Weighted SIGNAL 4.7 4.2

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Minimal Use 2.1.0 Grazing native vegetation 46.15% 432,533,396m2
  Natural 1.1.3 National park 36.14% 338,688,873m2
  Pastoral Farming 3.2.0 Grazing modified pastures 17.71% 165,975,019m2
9,371,973m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Turbellaria IF 1 2
Dugesiidae (Unident.) IF619999
1
Gastropoda KG 20 1
Physidae (Unident.) KG089999
20
Oligochaeta LO 13 2
Oligochaeta (Unident.) LO999999
13
Acarina MM 3 6
Mites (Unident.) MM999999
3
Mites (Unident.)
Unknown OH 2
Ostracoda (Unident.) OH999999
2
Coleoptera QC 40 5
Dytiscidae (Unident.) QC099999
26
Hydrophilidae (Unident.) QC119999
12
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydraenidae (Unident.) QC139999
1
Hydraenidae (Unident.)
Scirtidae (Unident.) QC209999
1
Scirtidae (Unident.)
Diptera QD 39 3
Tipulidae (Unident.) QD019999
1
Tanypodinae (Unident.) QDAE9999
6
Chironominae (Unident.) QDAJ9999
32
Ephemeroptera QE 32 9
Leptophlebiidae (Unident.) QE069999
32
Hemiptera QH 28 2
Veliidae (Unident.) QH569999
21
Corixidae (Unident.) QH659999
3
Notonectidae (Unident.) QH679999
4
Odonata QO 19 3
Synlestidae (Unident.) QO089999
3
Gomphidae (Unident.) QO139999
5
Corduliidae (Unident.) QO169999
10
Libellulidae (Unident.) QO179999
1
Plecoptera QP 2 10
Gripopterygidae (Unident.) QP039999
1
Notonemouridae (Unident.) QP049999
1
Trichoptera QT 22 8
Ecnomidae (Unident.) QT089999
1
Leptoceridae (Unident.) QT259999
21
ORDER
SIGNALT 4.2
Weighted SIGNALT 4.4