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

ST HELENS CREEK AT SELMA ROAD CROSSING 1302094

Source MIV
Latest Sample Date 29-04-2007
Taxa count ORDER 11
Taxa count FAMILY 24
Taxa count ALT 24
Mayflies present? 0
ORDER FAMILY ALT
SIGNAL 1.7 2.1 2.1
Weighted SIGNAL 2.1 2.7

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Minimal Use 1.3.0 Other minimal use, 2.1.0 Grazing native vegetation 46.02% 7,645,531,956m2
  Forestry 2.2.0 Production native forests 40.72% 6,764,663,061m2
  Arable Farming 3.3.0 Cropping 13.19% 2,191,795,838m2
Show minor land uses 2
166,124,923m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Nematoda II 1 3
Nematoda (Unident.) II999999
 1
Gastropoda KG 4 1
Viviparidae (Unident.) KG019999
 1
Ancylidae (Unident.) KG069999
 2
Planorbidae (Unident.) KG079999
 1
Oligochaeta LO 6 2
Oligochaeta (Unident.) LO999999
 6
Unknown OG 20
Cladocera (Unident.) OG999999
 20
Unknown OJ 20
Copepoda (Unident.) OJ999999
 20
Unknown OT 16
Atyidae (Unident.) OT019999
 2
Atyidae (Unident.)
Atyidae (Unident.)
Palaemonidae (Unident.) OT029999
 14
Palaemonidae (Unident.)
Palaemonidae (Unident.)
Unknown QA 1
Collembola (Unident.) QA999999
 1
Coleoptera QC 9 5
Dytiscidae (Unident.) QC099999
 6
Hydrophilidae (Unident.) QC119999
 3
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Diptera QD 22 3
Tipulidae (Unident.) QD019999
 1
Chaoboridae (Unident.) QD059999
 10
Culicidae (Unident.) QD079999
 6
Culicidae (Unident.)
Ceratopogonidae (Unident.) QD099999
 2
Ceratopogonidae (Unident.)
Tabanidae (Unident.) QD239999
 1
Chironominae (Unident.) QDAJ9999
 2
Hemiptera QH 11 2
Veliidae (Unident.) QH569999
 6
Gerridae (Unident.) QH579999
 1
Corixidae (Unident.) QH659999
 1
Notonectidae (Unident.) QH679999
 3
Odonata QO 2 3
Gomphidae (Unident.) QO139999
 1
Libellulidae (Unident.) QO179999
 1
ORDER
SIGNALT 1.7
Weighted SIGNALT 1.6

   

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