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

Talbragar R @ Graywood 62593

Source Office of Environment and Heritage
Latest Sample Date 11-10-2005
Taxa count ORDER 13
Taxa count FAMILY 24
Taxa count ALT 24
Mayflies present? 2
ORDER FAMILY ALT
SIGNAL 2.8 3.4 2.2
Weighted SIGNAL 3.8 3.5

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Minimal Use 1.3.0 Other minimal use, 1.3.3 Residual native cover, 1.3.4 Rehabilitation, 2.1.0 Grazing native vegetation 41.42% 106,205,313,103m2
  Pastoral Farming 3.2.0 Grazing modified pastures, 3.2.1 Native/exotic pasture mosaic, 3.2.5 Sown grasses, 4.2.0 Grazing irrigated modified pastures 29.89% 76,645,295,539m2
  Arable Farming 3.3.0 Cropping, 3.4.0 Perennial horticulture, 3.4.1 Tree fruits, 3.4.2 Olives, 3.5.0 Seasonal horticulture, 4.3.0 Irrigated cropping, 4.4.9 Irrigated grapes 22.89% 58,701,284,878m2
Show minor land uses 9
2,563,996,523m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 8 1
Physidae (Unident.) KG089999
8
Acarina MM 1 6
Mites (Unident.) MM999999
1
Mites (Unident.)
Unknown OG 9
Cladocera (Unident.) OG999999
9
Unknown OH 38
Ostracoda (Unident.) OH999999
38
Unknown OJ 31
Copepoda (Unident.) OJ999999
31
Unknown OT 28
Atyidae (Unident.) OT019999
28
Atyidae (Unident.)
Atyidae (Unident.)
Atyidae (Unident.)
Atyidae (Unident.)
Unknown OV 2
Parastacidae (Unident.) OV019999
2
Parastacidae (Unident.)
Parastacidae (Unident.)
Coleoptera QC 43 5
Dytiscidae (Unident.) QC099999
22
Hydrophilidae (Unident.) QC119999
9
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Scirtidae (Unident.) QC209999
10
Scirtidae (Unident.)
Scirtidae (Unident.)
Curculionidae (Unident.) QCAN9999
2
Curculionidae (Unident.)
Curculionidae (Unident.)
Diptera QD 79 3
Culicidae (Unident.) QD079999
2
Culicidae (Unident.)
Ceratopogonidae (Unident.) QD099999
16
Ceratopogonidae (Unident.)
Ceratopogonidae (Unident.)
Stratiomyidae (Unident.) QD249999
1
Tanypodinae (Unident.) QDAE9999
13
Chironominae (Unident.) QDAJ9999
47
Ephemeroptera QE 2 9
Baetidae (Unident.) QE029999
1
Caenidae (Unident.) QE089999
1
Hemiptera QH 50 2
Corixidae (Unident.) QH659999
43
Notonectidae (Unident.) QH679999
7
Odonata QO 8 3
Coenagrionidae (Unident.) QO029999
2
Corduliidae (Unident.) QO169999
1
Libellulidae (Unident.) QO179999
5
Trichoptera QT 6 8
Leptoceridae (Unident.) QT259999
6
ORDER
SIGNALT 2.8
Weighted SIGNALT 2.2