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

LITTLE YABBA CREEK AT WALKING BRIDGE 1381097

Source MIV
Latest Sample Date 16-10-1996
Taxa count ORDER 9
Taxa count FAMILY 20
Taxa count ALT 20
Mayflies present? 2
ORDER FAMILY ALT
SIGNAL 3.7 4.1 3.3
Weighted SIGNAL 4.3 4.5

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Natural 1.1.3 National park, 1.2.0 Managed resource protection 47.06% 4,571,809,470m2
  Minimal Use 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 42.07% 4,087,329,660m2
  Forestry 2.2.0 Production native forests, 3.1.0 Plantation forests 10.88% 1,056,705,962m2
97,158,451m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 9 1
Thiaridae (Unident.) KG049999
8
Planorbidae (Unident.) KG079999
1
Unknown OT 3
Palaemonidae (Unident.) OT029999
3
Palaemonidae (Unident.)
Coleoptera QC 4 5
Elmidae (Unident.) QC349999
2
Elmidae (Unident.)
Psephenidae (Unident.) QC379999
2
Psephenidae (Unident.)
Psephenidae (Unident.)
Diptera QD 17 3
Ceratopogonidae (Unident.) QD099999
2
Ceratopogonidae (Unident.)
Simuliidae (Unident.) QD109999
1
Simuliidae (Unident.)
Orthocladiinae (Unident.) QDAF9999
5
Chironominae (Unident.) QDAJ9999
9
Ephemeroptera QE 2 9
Baetidae (Unident.) QE029999
1
Caenidae (Unident.) QE089999
1
Hemiptera QH 1 2
Veliidae (Unident.) QH569999
1
Lepidoptera QL 3 2
Crambidae (Unident.) QL019999
3
Crambidae (Unident.)
Odonata QO 13 3
Gomphidae (Unident.) QO139999
4
Corduliidae (Unident.) QO169999
2
Libellulidae (Unident.) QO179999
3
Epiproctophora (Unident.) QO999998
4
Trichoptera QT 13 8
Hydropsychidae (Unident.) QT069999
9
Leptoceridae (Unident.) QT259999
3
Trichoptera (Unident.) QT999999
1
ORDER
SIGNALT 3.7
Weighted SIGNALT 3.7