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

Cantebury River - Evgar02 EVGAR02

Source Department of Water and Environment Regulation
Latest Sample Date 16-11-2009
Taxa count ORDER 9
Taxa count FAMILY 16
Taxa count ALT 17
Mayflies present? 1
ORDER FAMILY ALT
SIGNAL 4.3 4.4 3.3
Weighted SIGNAL 5.5 8 5.1

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Forestry 2.2.0 Production native forests, 3.1.0 Plantation forests 43.65% 4,594,645,882m2
  Natural 1.1.1 Strict nature reserves, 1.1.3 National park 42.81% 4,506,638,299m2
  Minimal Use 1.3.0 Other minimal use, 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 12.70% 1,336,865,186m2
Show minor land uses 6
105,261,570m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Oligochaeta LO 3 2
Oligochaeta (Unident.) LO999999
3
Acarina MM 9 6
Hydracarina (Unident.) MM9999A8
9
Hydracarina (Unident.)
Amphipoda OP 24 3
Perthiidae (Unident.) OP089999
24
Perthiidae (Unident.)
Perthiidae (Unident.)
Perthiidae (Unident.)
Unknown OT 5
Palaemonidae (Unident.) OT029999
5
Palaemonidae (Unident.)
Coleoptera QC 4 5
Dytiscidae (Unident.) QC099999
4
Diptera QD 63 3
Tipulidae (Unident.) QD019999
1
Ceratopogonidae (Unident.) QD099999
20
Ceratopogonidae (Unident.)
Tanypodinae (Unident.) QDAE9999
11
Orthocladiinae (Unident.) QDAF9999
4
Chironominae (Unident.) QDAJ9999
12
Diptera (Unident.)(Larva) QDZZ9999
15
Diptera (Unident.)(Larva)
Diptera (Unident.)(Larva)
Diptera (Unident.)(Larva)
Diptera (Unident.)(Larva)
Diptera (Unident.)(Larva)
Ephemeroptera QE 1 9
Leptophlebiidae (Unident.) QE069999
1
Odonata QO 2 3
Austroaeschna sp.(Unident.) QO210399
2
Trichoptera QT 27 8
Daternomina sp. (Unident.) QT080299
1
Oecetis sp.(Unident.) QT250799
11
Leptoceridae Genus A sp.AV1 QT2599A2
11
Trichoptera (Unident.) QT999999
4
ORDER
SIGNALT 4.3
Weighted SIGNALT 4.4