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

Tuglow River @ Gurnang SF 25045

Source Office of Environment and Heritage
Latest Sample Date 15-06-2011
Taxa count ORDER 7
Taxa count FAMILY 18
Taxa count ALT 18
Mayflies present? 28
ORDER FAMILY ALT
SIGNAL 5.7 5.4 4.8
Weighted SIGNAL 4.8 5.9

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Pastoral Farming 3.2.0 Grazing modified pastures 44.63% 786,934,832m2
  Forestry 2.2.0 Production native forests 26.36% 464,711,516m2
  Minimal Use 1.3.0 Other minimal use, 2.1.0 Grazing native vegetation 14.83% 261,478,346m2
  Arable Farming 3.3.0 Cropping 11.41% 201,233,335m2
Show minor land uses 1
17,631,040m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Amphipoda OP 18 3
Eusiridae (Unident.) OP039999
18
Eusiridae (Unident.)
Eusiridae (Unident.)
Eusiridae (Unident.)
Coleoptera QC 13 5
Hydraenidae (Unident.) QC139999
1
Hydraenidae (Unident.)
Scirtidae (Unident.) QC209999
9
Scirtidae (Unident.)
Elmidae (Unident.) QC349999
3
Elmidae (Unident.)
Diptera QD 28 3
Tipulidae (Unident.) QD019999
1
Simuliidae (Unident.) QD109999
6
Simuliidae (Unident.)
Tanypodinae (Unident.) QDAE9999
11
Orthocladiinae (Unident.) QDAF9999
1
Chironominae (Unident.) QDAJ9999
9
Ephemeroptera QE 28 9
Leptophlebiidae (Unident.) QE069999
28
Hemiptera QH 5 2
Veliidae (Unident.) QH569999
3
Corixidae (Unident.) QH659999
2
Plecoptera QP 2 10
Gripopterygidae (Unident.) QP039999
1
Notonemouridae (Unident.) QP049999
1
Trichoptera QT 9 8
Hydrobiosidae (Unident.) QT019999
5
Conoesucidae (Unident.) QT159999
2
Calocidae (Unident.) QT189999
1
Odontoceridae (Unident.) QT229999
1
ORDER
SIGNALT 5.7
Weighted SIGNALT 5.4