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

Welcome River at Marshalls Road WELC07

Source Department of Primary Industries, Parks, Water and Environment
Latest Sample Date 08-10-2002
Taxa count ORDER 13
Taxa count FAMILY 26
Taxa count ALT 26
Mayflies present? 6
ORDER FAMILY ALT
SIGNAL 4.3 3.9 3.3
Weighted SIGNAL 4.3 4.2

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Pastoral Farming 3.2.0 Grazing modified pastures, 4.2.0 Grazing irrigated modified pastures 71.27% 999,489,416m2
  Minimal Use 1.3.3 Residual native cover 11.99% 168,206,146m2
  Forestry Plantation 3.1.1 Hardwood plantation forestry 10.64% 149,211,098m2
Show minor land uses 4
14,023,844m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 43 1
Hydrobiidae (Unident.) KG029999
37
Ancylidae (Unident.) KG069999
2
Planorbidae (Unident.) KG079999
4
Bivalvia KP 7 3
Sphaeriidae (Unident.) KP039999
7
Hirudinea LH 2 1
Hirudinea (Unident.) LH999999
2
Acarina MM 2 6
Mites (Unident.) MM999999
2
Mites (Unident.)
Amphipoda OP 36 3
Paramelitidae (Unident.) OP069999
36
Paramelitidae (Unident.)
Paramelitidae (Unident.)
Paramelitidae (Unident.)
Isopoda OR 26 2
Janiridae (Unident.) OR189999
26
Janiridae (Unident.)
Coleoptera QC 27 5
Dytiscidae Adults QC09999A
15
Hydrophilidae (Unident.) QC119999
6
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Scirtidae (Unident.) QC209999
6
Scirtidae (Unident.)
Diptera QD 97 3
Dixidae (Unident.) QD069999
2
Dixidae (Unident.)
Ceratopogonidae (Unident.) QD099999
4
Ceratopogonidae (Unident.)
Simuliidae (Unident.) QD109999
4
Simuliidae (Unident.)
Tanypodinae (Unident.) QDAE9999
17
Orthocladiinae (Unident.) QDAF9999
34
Chironominae (Unident.) QDAJ9999
24
Chironomidae (Unident.)(Larva) QDAZ9999
12
Ephemeroptera QE 6 9
Leptophlebiidae (Unident.) QE069999
6
Hemiptera QH 4 2
Veliidae (Unident.) QH569999
3
Corixidae (Unident.) QH659999
1
Odonata QO 4 3
Coenagrionidae (Unident.) QO029999
3
Hemicorduliidae (Unident.) QO309999
1
Plecoptera QP 10 10
Gripopterygidae (Unident.) QP039999
1
Notonemouridae (Unident.) QP049999
9
Trichoptera QT 33 8
Leptoceridae (Unident.) QT259999
33
ORDER
SIGNALT 4.3
Weighted SIGNALT 4.3