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

u/s Arthurs Ck. at Nutfield ART0140

Source Melbourne Water
Latest Sample Date 19-10-2007
Taxa count ORDER 11
Taxa count FAMILY 24
Taxa count ALT 26
Mayflies present? 26
ORDER FAMILY ALT
SIGNAL 4.6 4.3 3.3
Weighted SIGNAL 4.1 5 5.2

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Pastoral Farming 3.2.0 Grazing modified pastures 44.28% 6,473,002,055m2
  Residential And Infrastructure 5.4.1 Urban residential, 5.4.2 Rural residential with agriculture, 5.4.3 Rural residential without agriculture, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.6.0 Utilities, 5.7.2 Roads, 5.7.5 Navigation and communication 25.58% 3,739,040,005m2
  Natural 1.1.1 Strict nature reserves, 1.1.3 National park, 1.1.7 Other conserved area 20.30% 2,968,480,240m2
  Arable Farming 3.3.0 Cropping, 3.4.0 Perennial horticulture, 3.4.9 Grapes, 3.5.3 Seasonal vegetables and herbs 4.03% 589,795,745m2
  Unknown 3.6.4 No defined use 3.42% 500,038,784m2
Show minor land uses 7
146,196,339m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Oligochaeta LO 3 2
Oligochaeta (Unident.) LO999999
3
Acarina MM 4 6
Mites (Unident.) MM999999
4
Mites (Unident.)
Amphipoda OP 9 3
Ceinidae (Unident.) OP029999
9
Ceinidae (Unident.)
Ceinidae (Unident.)
Ceinidae (Unident.)
Unknown OV 2
Parastacidae (Unident.) OV019999
2
Parastacidae (Unident.)
Parastacidae (Unident.)
Coleoptera QC 52 5
Haliplidae (Unident.) QC069999
1
Dytiscidae (Unident.) QC099999
4
Dytiscidae (Unident.)(Larva) QC09999I
20
Hydrophilidae (Unident.) QC119999
18
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydraenidae (Unident.) QC139999
2
Hydraenidae (Unident.)
Hydraenidae (Unident.)(Larva) QC13999I
1
Hydraenidae (Unident.)(Larva)
Scirtidae (Unident.) QC209999
4
Scirtidae (Unident.)
Elmidae (Unident.) QC349999
2
Elmidae (Unident.)
Diptera QD 243 3
Dixidae (Unident.) QD069999
1
Dixidae (Unident.)
Ceratopogonidae (Unident.) QD099999
4
Ceratopogonidae (Unident.)
Simuliidae (Unident.) QD109999
54
Simuliidae (Unident.)
Tanypodinae (Unident.) QDAE9999
1
Orthocladiinae (Unident.) QDAF9999
33
Chironominae (Unident.) QDAJ9999
150
Ephemeroptera QE 26 9
Leptophlebiidae (Unident.) QE069999
24
Ephemeroptera (Unident.) QE999999
2
Hemiptera QH 8 2
Veliidae (Unident.) QH569999
5
Corixidae (Unident.) QH659999
1
Notonectidae (Unident.) QH679999
2
Odonata QO 1 3
Hemicorduliidae (Unident.) QO309999
1
Plecoptera QP 65 10
Gripopterygidae (Unident.) QP039999
65
Trichoptera QT 3 8
Hydrobiosidae (Unident.) QT019999
3
ORDER
SIGNALT 4.6
Weighted SIGNALT 5.4