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

Welcome River at Harcus River Road WELC02

Source Department of Primary Industries, Parks, Water and Environment
Latest Sample Date 09-10-2002
Taxa count ORDER 11
Taxa count FAMILY 18
Taxa count ALT 18
Mayflies present? 2
ORDER FAMILY ALT
SIGNAL 4.5 3.7 2.9
Weighted SIGNAL 2.3 4.7

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Forestry 2.2.0 Production native forests, 3.1.0 Plantation forests 35.56% 6,332,681,052m2
  Pastoral Farming 3.2.0 Grazing modified pastures, 4.2.0 Grazing irrigated modified pastures 31.00% 5,521,221,921m2
  Natural 1.1.1 Strict nature reserves, 1.1.3 National park, 1.1.5 Habitat/species management area, 1.1.7 Other conserved area 17.59% 3,132,592,226m2
  Minimal Use 1.2.5 Traditional indigenous uses, 1.3.0 Other minimal use, 1.3.3 Residual native cover 8.26% 1,470,925,916m2
  Forestry Plantation 3.1.1 Hardwood plantation forestry 6.85% 1,219,438,582m2
Show minor land uses 2
178,076,031m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 20 1
Hydrobiidae (Unident.) KG029999
15
Physidae (Unident.) KG089999
5
Oligochaeta LO 4 2
Oligochaeta (Unident.) LO999999
4
Acarina MM 3 6
Mites (Unident.) MM999999
3
Mites (Unident.)
Unknown OT 44
Atyidae (Unident.) OT019999
44
Atyidae (Unident.)
Atyidae (Unident.)
Coleoptera QC 2 5
Dytiscidae Adults QC09999A
2
Diptera QD 69 3
Ceratopogonidae (Unident.) QD099999
26
Ceratopogonidae (Unident.)
Simuliidae (Unident.) QD109999
3
Simuliidae (Unident.)
Tanypodinae (Unident.) QDAE9999
30
Orthocladiinae (Unident.) QDAF9999
1
Chironominae (Unident.) QDAJ9999
6
Chironomidae (Unident.)(Larva) QDAZ9999
3
Ephemeroptera QE 2 9
Leptophlebiidae (Unident.) QE069999
2
Hemiptera QH 13 2
Veliidae (Unident.) QH569999
2
Corixidae (Unident.) QH659999
11
Odonata QO 2 3
Hemicorduliidae (Unident.) QO309999
2
Plecoptera QP 51 10
Gripopterygidae (Unident.) QP039999
51
Trichoptera QT 32 8
Leptoceridae (Unident.) QT259999
32
ORDER
SIGNALT 4.5
Weighted SIGNALT 4.3