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

NIVE RIVER AT FOUR TONNE BRIDGE 4232043

Source MIV
Latest Sample Date 11-11-1998
Taxa count ORDER 10
Taxa count FAMILY 20
Taxa count ALT 20
Mayflies present? 4
ORDER FAMILY ALT
SIGNAL 3.6 3.5 2.2
Weighted SIGNAL 3.3 3.7

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Minimal Use 2.1.0 Grazing native vegetation 99.38% 380,131,035,727m2
Show minor land uses 2
3,825,127,045m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Acarina MM 1 6
Mites (Unident.) MM999999
1
Mites (Unident.)
Unknown OG 10
Cladocera (Unident.) OG999999
10
Unknown OJ 10
Copepoda (Unident.) OJ999999
10
Unknown OT 4
Atyidae (Unident.) OT019999
2
Atyidae (Unident.)
Atyidae (Unident.)
Palaemonidae (Unident.) OT029999
2
Palaemonidae (Unident.)
Coleoptera QC 11 5
Dytiscidae (Unident.) QC099999
2
Hydrophilidae (Unident.) QC119999
6
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydraenidae (Unident.) QC139999
3
Hydraenidae (Unident.)
Hydraenidae (Unident.)
Diptera QD 15 3
Tabanidae (Unident.) QD239999
1
Tanypodinae (Unident.) QDAE9999
2
Chironominae (Unident.) QDAJ9999
12
Ephemeroptera QE 4 9
Baetidae (Unident.) QE029999
4
Hemiptera QH 13 2
Veliidae (Unident.) QH569999
1
Corixidae (Unident.) QH659999
5
Notonectidae (Unident.) QH679999
7
Odonata QO 3 3
Isostictidae (Unident.) QO039999
1
Libellulidae (Unident.) QO179999
1
Zygoptera (Unident.) QO999997
1
Trichoptera QT 3 8
Ecnomidae (Unident.) QT089999
1
Leptoceridae (Unident.) QT259999
2
ORDER
SIGNALT 3.6
Weighted SIGNALT 3.2