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

BUFFALO RIVER (LOWER) AT MERRIANG ROAD MYRTLEFORD 38500

Source EPA Victoria
Latest Sample Date 25-11-1997
Taxa count ORDER 10
Taxa count FAMILY 18
Taxa count ALT 18
Mayflies present? 39
ORDER FAMILY ALT
SIGNAL 5 5.6 3.9
Weighted SIGNAL 6.2 5.3

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Forestry 2.2.0 Production native forests, 3.1.0 Plantation forests 47.41% 62,406,773,404m2
  Natural 1.1.1 Strict nature reserves, 1.1.3 National park, 1.1.7 Other conserved area 35.75% 47,057,398,712m2
  Pastoral Farming 3.2.0 Grazing modified pastures, 4.2.0 Grazing irrigated modified pastures 6.94% 9,131,722,913m2
  Forestry Plantation 3.1.2 Softwood plantation forestry 6.91% 9,096,472,053m2
Show minor land uses 5
1,316,344,633m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Turbellaria IF 7 2
Dugesiidae (Unident.) IF619999
7
Oligochaeta LO 1 2
Oligochaeta (Unident.) LO999999
1
Acarina MM 46 6
Mites (Unident.) MM999999
46
Mites (Unident.)
Coleoptera QC 32 5
Dytiscidae (Unident.) QC099999
3
Elmidae (Unident.) QC349999
27
Elmidae (Unident.)
Psephenidae (Unident.) QC379999
2
Psephenidae (Unident.)
Psephenidae (Unident.)
Diptera QD 90 3
Tipulidae (Unident.) QD019999
6
Simuliidae (Unident.) QD109999
78
Simuliidae (Unident.)
Orthocladiinae (Unident.) QDAF9999
6
Ephemeroptera QE 39 9
Baetidae (Unident.) QE029999
14
Coloburiscidae (Unident.) QE059999
23
Caenidae (Unident.) QE089999
2
Hemiptera QH 1 2
Corixidae (Unident.) QH659999
1
Odonata QO 1 3
Gomphidae (Unident.) QO139999
1
Plecoptera QP 3 10
Gripopterygidae (Unident.) QP039999
3
Trichoptera QT 43 8
Hydrobiosidae (Unident.) QT019999
7
Hydroptilidae (Unident.) QT039999
6
Hydropsychidae (Unident.) QT069999
30
ORDER
SIGNALT 5.0
Weighted SIGNALT 5.7
Taxa Abundance SIGNALT Grade
Turbellaria IF 10 2
Dugesiidae (Unident.) IF619999
10
Nematomorpha IJ 1 6
Gordiidae (Unident.) IJ019999
1
Acarina MM 6 6
Mites (Unident.) MM999999
6
Mites (Unident.)
Coleoptera QC 12 5
Hydrophilidae (Unident.) QC119999
3
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Elmidae (Unident.) QC349999
7
Elmidae (Unident.)
Psephenidae (Unident.) QC379999
2
Psephenidae (Unident.)
Psephenidae (Unident.)
Diptera QD 50 3
Tipulidae (Unident.) QD019999
25
Simuliidae (Unident.) QD109999
21
Simuliidae (Unident.)
Tanypodinae (Unident.) QDAE9999
1
Orthocladiinae (Unident.) QDAF9999
2
Chironominae (Unident.) QDAJ9999
1
Ephemeroptera QE 51 9
Baetidae (Unident.) QE029999
44
Coloburiscidae (Unident.) QE059999
3
Caenidae (Unident.) QE089999
4
Hemiptera QH 2 2
Corixidae (Unident.) QH659999
2
Trichoptera QT 93 8
Hydrobiosidae (Unident.) QT019999
6
Hydroptilidae (Unident.) QT039999
3
Hydropsychidae (Unident.) QT069999
84
ORDER
SIGNALT 5.1
Weighted SIGNALT 5.6