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

BARRON RIVER AT THE CRATER WEIR 1100010

Source MIV
Latest Sample Date 10-07-1997
Taxa count ORDER 16
Taxa count FAMILY 37
Taxa count ALT 37
Mayflies present? 21
ORDER FAMILY ALT
SIGNAL 4.2 4.9 4.2
Weighted SIGNAL 5.7 5.4

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 53.39% 561,036,637m2
  Natural 1.1.3 National park 46.42% 487,781,854m2
Show minor land uses 1
10,508,186m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Turbellaria IF 2 2
Dugesiidae (Unident.) IF619999
2
Nematomorpha IJ 3 6
Nematomorpha (Unident.) IJ999999
3
Gastropoda KG 10 1
Hydrobiidae (Unident.) KG029999
10
Oligochaeta LO 1 2
Oligochaeta (Unident.) LO999999
1
Acarina MM 8 6
Mites (Unident.) MM999999
8
Mites (Unident.)
Mites (Unident.)
Unknown OJ 1
Copepoda (Unident.) OJ999999
1
Isopoda OR 1 2
Oniscidae sp.(Unident.) OR259999
1
Oniscidae sp.(Unident.)
Unknown OT 4
Atyidae (Unident.) OT019999
4
Atyidae (Unident.)
Atyidae (Unident.)
Coleoptera QC 22 5
Dytiscidae (Unident.) QC099999
1
Scirtidae (Unident.) QC209999
9
Scirtidae (Unident.)
Scirtidae (Unident.)
Elmidae (Unident.) QC349999
5
Elmidae (Unident.)
Ptilodactylidae (Unident.) QC399999
7
Ptilodactylidae (Unident.)
Diptera QD 67 3
Tipulidae (Unident.) QD019999
2
Culicidae (Unident.) QD079999
4
Culicidae (Unident.)
Ceratopogonidae (Unident.) QD099999
4
Ceratopogonidae (Unident.)
Simuliidae (Unident.) QD109999
18
Simuliidae (Unident.)
Simuliidae (Unident.)
Tanypodinae (Unident.) QDAE9999
12
Orthocladiinae (Unident.) QDAF9999
16
Chironominae (Unident.) QDAJ9999
11
Ephemeroptera QE 21 9
Baetidae (Unident.) QE029999
1
Leptophlebiidae (Unident.) QE069999
20
Hemiptera QH 10 2
Veliidae (Unident.) QH569999
10
Megaloptera QM 4 8
Corydalidae (Unident.) QM019999
4
Corydalidae (Unident.)
Corydalidae (Unident.)
Odonata QO 10 3
Synlestidae (Unident.) QO089999
4
Aeshnidae (Unident.) QO129999
3
Corduliidae (Unident.) QO169999
2
Libellulidae (Unident.) QO179999
1
Plecoptera QP 20 10
Gripopterygidae (Unident.) QP039999
20
Trichoptera QT 60 8
Hydrobiosidae (Unident.) QT019999
11
Hydroptilidae (Unident.) QT039999
2
Philopotamidae (Unident.) QT049999
8
Hydropsychidae (Unident.) QT069999
11
Ecnomidae (Unident.) QT089999
3
Helicopsychidae (Unident.) QT179999
1
Calamoceratidae (Unident.) QT249999
4
Leptoceridae (Unident.) QT259999
18
Trichoptera (Unident.) QT999999
2
ORDER
SIGNALT 4.2
Weighted SIGNALT 5.1