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

HOLROYD RIVER AT ABOVE HONEYSUCKLE JUNCTION 9210001

Source MIV
Latest Sample Date 31-05-1999
Taxa count ORDER 8
Taxa count FAMILY 18
Taxa count ALT 18
Mayflies present? 20
ORDER FAMILY ALT
SIGNAL 4.5 4.2 2.7
Weighted SIGNAL 4.9 3.8

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Natural 1.2.0 Managed resource protection 100.00% 164,128,944m2
1,641,289m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Acarina MM 10 6
Mites (Unident.) MM999999
10
Mites (Unident.)
Unknown OT 1
Palaemonidae (Unident.) OT029999
1
Palaemonidae (Unident.)
Coleoptera QC 2 5
Dytiscidae (Unident.) QC099999
2
Diptera QD 11 3
Tipulidae (Unident.) QD019999
1
Culicidae (Unident.) QD079999
2
Culicidae (Unident.)
Ceratopogonidae (Unident.) QD099999
2
Ceratopogonidae (Unident.)
Simuliidae (Unident.) QD109999
1
Simuliidae (Unident.)
Tanypodinae (Unident.) QDAE9999
3
Chironominae (Unident.) QDAJ9999
2
Ephemeroptera QE 20 9
Baetidae (Unident.) QE029999
10
Caenidae (Unident.) QE089999
10
Hemiptera QH 13 2
Veliidae (Unident.) QH569999
3
Corixidae (Unident.) QH659999
10
Odonata QO 16 3
Coenagrionidae (Unident.) QO029999
4
Protoneuridae (Unident.) QO049999
2
Libellulidae (Unident.) QO179999
10
Trichoptera QT 13 8
Hydroptilidae (Unident.) QT039999
3
Leptoceridae (Unident.) QT259999
10
ORDER
SIGNALT 4.5
Weighted SIGNALT 4.9