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

Tasman River off Granville Harbour Road PIEM71

Source Department of Primary Industries, Parks, Water and Environment
Latest Sample Date 31-01-2015
Taxa count ORDER 9
Taxa count FAMILY 19
Taxa count ALT 19
Mayflies present? 16
ORDER FAMILY ALT
SIGNAL 5.4 5.2 4.8
Weighted SIGNAL 5.1 5.6

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Natural 1.2.0 Managed resource protection 81.92% 2,258,142,571m2
  Forestry 2.2.0 Production native forests 17.47% 481,530,402m2
Show minor land uses 3
27,564,240m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Oligochaeta LO 8 2
Oligochaeta (Unident.) LO999999
8
Acarina MM 1 6
Mites (Unident.) MM999999
1
Mites (Unident.)
Amphipoda OP 15 3
Paramelitidae (Unident.) OP069999
15
Paramelitidae (Unident.)
Paramelitidae (Unident.)
Paramelitidae (Unident.)
Coleoptera QC 5 5
Dytiscidae Adults QC09999A
1
Scirtidae (Unident.) QC209999
2
Scirtidae (Unident.)
Elmidae Adults QC34999A
2
Elmidae Adults
Diptera QD 23 3
Tipulidae (Unident.) QD019999
9
Ceratopogonidae (Unident.) QD099999
2
Ceratopogonidae (Unident.)
Simuliidae (Unident.) QD109999
6
Simuliidae (Unident.)
Empididae (Unident.) QD359999
1
Tanypodinae (Unident.) QDAE9999
3
Orthocladiinae (Unident.) QDAF9999
2
Ephemeroptera QE 16 9
Leptophlebiidae (Unident.) QE069999
16
Odonata QO 1 3
Telephlebiidae (Unident.) QO219999
1
Plecoptera QP 2 10
Gripopterygidae (Unident.) QP039999
2
Trichoptera QT 20 8
Hydrobiosidae (Unident.) QT019999
14
Conoesucidae (Unident.) QT159999
1
Philorheithridae (Unident.) QT219999
1
Leptoceridae (Unident.) QT259999
4
ORDER
SIGNALT 5.4
Weighted SIGNALT 5.2