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

Tarlo River @ Rhyanna Rd 24132

Source Office of Environment and Heritage
Latest Sample Date 07-04-2011
Taxa count ORDER 13
Taxa count FAMILY 19
Taxa count ALT 19
Mayflies present? 1
ORDER FAMILY ALT
SIGNAL 2.8 2.9 1.7
Weighted SIGNAL 3.5 2.6

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 3 2
Dugesiidae (Unident.) IF619999
3
Gastropoda KG 1 1
Physidae (Unident.) KG089999
1
Hirudinea LH 1 1
Glossiphoniidae (Unident.) LH019999
1
Unknown OG 1
Cladocera (Unident.) OG999999
1
Unknown OH 2
Ostracoda (Unident.) OH999999
2
Amphipoda OP 18 3
Ceinidae (Unident.) OP029999
18
Ceinidae (Unident.)
Ceinidae (Unident.)
Ceinidae (Unident.)
Unknown OT 6
Atyidae (Unident.) OT019999
6
Atyidae (Unident.)
Atyidae (Unident.)
Coleoptera QC 13 5
Dytiscidae (Unident.) QC099999
7
Hydrophilidae (Unident.) QC119999
6
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Diptera QD 22 3
Ceratopogonidae (Unident.) QD099999
2
Ceratopogonidae (Unident.)
Tanypodinae (Unident.) QDAE9999
5
Chironominae (Unident.) QDAJ9999
15
Ephemeroptera QE 1 9
Caenidae (Unident.) QE089999
1
Hemiptera QH 5 2
Corixidae (Unident.) QH659999
3
Notonectidae (Unident.) QH679999
2
Odonata QO 19 3
Coenagrionidae (Unident.) QO029999
10
Aeshnidae (Unident.) QO129999
4
Corduliidae (Unident.) QO169999
5
Trichoptera QT 4 8
Ecnomidae (Unident.) QT089999
4
ORDER
SIGNALT 2.8
Weighted SIGNALT 3.0