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

Branch off Snowball Ck nr bridge 41123

Source Office of Environment and Heritage
Latest Sample Date 25-05-2008
Taxa count ORDER 16
Taxa count FAMILY 24
Taxa count ALT 24
Mayflies present? 1
ORDER FAMILY ALT
SIGNAL 2.8 2.9 2.3
Weighted SIGNAL 3.1 3.3

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Minimal Use 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 62.87% 310,722,565m2
  Residential And Infrastructure 5.4.0 Residential and farm infrastructure 20.13% 99,491,216m2
  Pastoral Farming 3.2.0 Grazing modified pastures 14.16% 69,993,820m2
Show minor land uses 2
4,942,064m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Turbellaria IF 3 2
Dugesiidae (Unident.) IF619999
3
Gastropoda KG 1 1
Ancylidae (Unident.) KG069999
1
Bivalvia KP 1 3
Sphaeriidae (Unident.) KP039999
1
Hirudinea LH 1 1
Glossiphoniidae (Unident.) LH019999
1
Acarina MM 9 6
Mites (Unident.) MM999999
9
Mites (Unident.)
Unknown OG 5
Cladocera (Unident.) OG999999
5
Unknown OH 1
Ostracoda (Unident.) OH999999
1
Unknown OJ 7
Copepoda (Unident.) OJ999999
7
Unknown OT 22
Atyidae (Unident.) OT019999
22
Atyidae (Unident.)
Atyidae (Unident.)
Coleoptera QC 12 5
Dytiscidae (Unident.) QC099999
9
Hydrophilidae (Unident.) QC119999
3
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Diptera QD 26 3
Ceratopogonidae (Unident.) QD099999
6
Ceratopogonidae (Unident.)
Simuliidae (Unident.) QD109999
9
Simuliidae (Unident.)
Tanypodinae (Unident.) QDAE9999
3
Chironominae (Unident.) QDAJ9999
8
Ephemeroptera QE 1 9
Baetidae (Unident.) QE029999
1
Hemiptera QH 7 2
Belostomatidae (Unident.) QH629999
1
Corixidae (Unident.) QH659999
4
Naucoridae (Unident.) QH669999
2
Lepidoptera QL 3 2
Crambidae (Unident.) QL019999
3
Crambidae (Unident.)
Odonata QO 33 3
Coenagrionidae (Unident.) QO029999
24
Corduliidae (Unident.) QO169999
8
Libellulidae (Unident.) QO179999
1
Trichoptera QT 5 8
Leptoceridae (Unident.) QT259999
5
ORDER
SIGNALT 2.8
Weighted SIGNALT 2.7