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

Tarlo R @ Rhyanna Rd 24029

Source Office of Environment and Heritage
Latest Sample Date 16-03-2007
Taxa count ORDER 10
Taxa count FAMILY 18
Taxa count ALT 18
Mayflies present? 0
ORDER FAMILY ALT
SIGNAL 2.8 3.1 2.2
Weighted SIGNAL 3.7 2.3

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Minimal Use 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 54.55% 11,484,829,232m2
  Pastoral Farming 3.2.0 Grazing modified pastures 34.86% 7,339,710,405m2
  Arable Farming 3.3.0 Cropping 6.87% 1,446,791,475m2
Show minor land uses 6
210,548,536m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Turbellaria IF 1 2
Dugesiidae (Unident.) IF619999
1
Gastropoda KG 1 1
Planorbidae (Unident.) KG079999
1
Bivalvia KP 2 3
Sphaeriidae (Unident.) KP039999
2
Hirudinea LH 1 1
Glossiphoniidae (Unident.) LH019999
1
Oligochaeta LO 14 2
Oligochaeta (Unident.) LO999999
14
Acarina MM 1 6
Mites (Unident.) MM999999
1
Mites (Unident.)
Coleoptera QC 13 5
Dytiscidae (Unident.) QC099999
4
Hydrophilidae (Unident.) QC119999
6
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Scirtidae (Unident.) QC209999
3
Scirtidae (Unident.)
Diptera QD 67 3
Tipulidae (Unident.) QD019999
1
Culicidae (Unident.) QD079999
2
Culicidae (Unident.)
Tabanidae (Unident.) QD239999
1
Syrphidae (Unident.) QD439999
22
Ephydridae (Unident.) QD789999
27
Ephydridae (Unident.)
Ephydridae (Unident.)
Chironominae (Unident.) QDAJ9999
14
Hemiptera QH 6 2
Corixidae (Unident.) QH659999
6
Odonata QO 2 3
Coenagrionidae (Unident.) QO029999
1
Corduliidae (Unident.) QO169999
1
ORDER
SIGNALT 2.8
Weighted SIGNALT 3.0