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

Nepean River @ Bents Basin Rec Area 21129

Source Office of Environment and Heritage
Latest Sample Date 21-06-2011
Taxa count ORDER 10
Taxa count FAMILY 16
Taxa count ALT 16
Mayflies present? 3
ORDER FAMILY ALT
SIGNAL 3.7 4.2 2.4
Weighted SIGNAL 4.9 3.9

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, 2.1.0 Grazing native vegetation 53.27% 89,789,735,280m2
  Residential And Infrastructure 5.4.0 Residential and farm infrastructure, 5.4.1 Urban residential, 5.4.2 Rural residential with agriculture, 5.4.3 Rural residential without agriculture, 5.4.5 Farm buildings/infrastructure, 5.5.0 Services, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.5.5 Research facilities, 5.6.0 Utilities, 5.6.1 Fuel powered electricity generation, 5.6.5 Electricity substations and transmission, 5.6.6 Gas treatment, storage and transmission, 5.6.7 Water extraction and transmission, 5.7.0 Transport and communication, 5.7.1 Airports/aerodromes, 5.7.2 Roads, 5.7.3 Railways, 5.7.5 Navigation and communication 13.06% 22,007,001,297m2
  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 10.28% 17,333,554,112m2
  Water 6.1.0 Lake, 6.2.0 Reservoir/dam, 6.2.1 Reservoir, 6.2.2 Water storage - intensive use/farm dams, 6.3.0 River, 6.4.0 Channel/aqueduct, 6.4.1 Supply channel/aqueduct, 6.4.3 Stormwater, 6.5.0 Marsh/wetland 3.36% 5,661,436,020m2
Show minor land uses 10
1,685,593,451m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 4 1
Physidae (Unident.) KG089999
4
Acarina MM 3 6
Mites (Unident.) MM999999
3
Mites (Unident.)
Unknown OJ 4
Copepoda (Unident.) OJ999999
4
Unknown OT 20
Atyidae (Unident.) OT019999
20
Atyidae (Unident.)
Atyidae (Unident.)
Coleoptera QC 4 5
Dytiscidae (Unident.) QC099999
1
Hydrophilidae (Unident.) QC119999
3
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Diptera QD 18 3
Tanypodinae (Unident.) QDAE9999
1
Orthocladiinae (Unident.) QDAF9999
10
Chironominae (Unident.) QDAJ9999
7
Ephemeroptera QE 3 9
Baetidae (Unident.) QE029999
3
Hemiptera QH 4 2
Corixidae (Unident.) QH659999
4
Odonata QO 2 3
Gomphidae (Unident.) QO139999
1
Libellulidae (Unident.) QO179999
1
Trichoptera QT 14 8
Hydroptilidae (Unident.) QT039999
7
Ecnomidae (Unident.) QT089999
1
Leptoceridae (Unident.) QT259999
6
ORDER
SIGNALT 3.7
Weighted SIGNALT 3.7