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

Nepean R in Gorge 21033

Source Office of Environment and Heritage
Latest Sample Date 27-03-2007
Taxa count ORDER 14
Taxa count FAMILY 30
Taxa count ALT 30
Mayflies present? 31
ORDER FAMILY ALT
SIGNAL 2.9 3.6 2.6
Weighted SIGNAL 4.1 3.4

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 34.60% 378,298,702,026m2
  Natural 1.1.1 Strict nature reserves, 1.1.3 National park, 1.1.7 Other conserved area, 1.2.0 Managed resource protection, 1.2.1 Biodiversity, 1.2.2 Surface water supply, 1.2.4 Landscape 31.86% 348,307,423,848m2
  Pastoral Farming 3.2.0 Grazing modified pastures, 3.2.1 Native/exotic pasture mosaic, 3.2.3 Pasture legumes, 3.2.5 Sown grasses, 4.2.0 Grazing irrigated modified pastures, 4.2.4 Irrigated sown grasses 15.85% 173,332,218,000m2
  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, 5.4.4 Remote communities, 5.4.5 Farm buildings/infrastructure, 5.5.0 Services, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.5.4 Defence facilities - urban, 5.5.5 Research facilities, 5.6.0 Utilities, 5.6.1 Fuel powered electricity generation, 5.6.3 Wind electricity generation, 5.6.4 Solar 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 6.37% 69,643,484,903m2
  Arable Farming 3.3.0 Cropping, 3.3.1 Cereals, 3.3.3 Hay and silage, 3.4.0 Perennial horticulture, 3.4.1 Tree fruits, 3.4.2 Olives, 3.4.4 Vine fruits, 3.4.5 Shrub berries and fruits, 3.4.6 Perennial flowers and bulbs, 3.4.9 Grapes, 3.5.0 Seasonal horticulture, 3.5.2 Seasonal flowers and bulbs, 3.5.3 Seasonal vegetables and herbs, 4.3.0 Irrigated cropping, 4.3.3 Irrigated hay and silage, 4.4.0 Irrigated perennial horticulture, 4.4.1 Irrigated tree fruits, 4.4.2 Irrigated olives, 4.4.3 Irrigated tree nuts, 4.4.4 Irrigated vine fruits, 4.4.9 Irrigated grapes, 4.5.3 Irrigated seasonal vegetables and herbs, 4.5.4 Irrigated turf farming 3.34% 36,487,230,133m2
Show minor land uses 9
10,933,931,630m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Turbellaria IF 10 2
Dugesiidae (Unident.) IF619999
10
Gastropoda KG 2 1
Lymnaeidae (Unident.) KG059999
1
Physidae (Unident.) KG089999
1
Oligochaeta LO 4 2
Oligochaeta (Unident.) LO999999
4
Acarina MM 18 6
Mites (Unident.) MM999999
18
Mites (Unident.)
Mites (Unident.)
Unknown OG 1
Cladocera (Unident.) OG999999
1
Unknown OH 9
Ostracoda (Unident.) OH999999
9
Unknown OT 2
Atyidae (Unident.) OT019999
2
Atyidae (Unident.)
Atyidae (Unident.)
Unknown QA 11
Collembola (Unident.) QA999999
11
Coleoptera QC 22 5
Dytiscidae (Unident.) QC099999
2
Hydrophilidae (Unident.) QC119999
6
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydraenidae (Unident.) QC139999
1
Hydraenidae (Unident.)
Scirtidae (Unident.) QC209999
9
Scirtidae (Unident.)
Scirtidae (Unident.)
Curculionidae (Unident.) QCAN9999
4
Curculionidae (Unident.)
Curculionidae (Unident.)
Diptera QD 19 3
Tipulidae (Unident.) QD019999
1
Ceratopogonidae (Unident.) QD099999
2
Ceratopogonidae (Unident.)
Tanypodinae (Unident.) QDAE9999
8
Chironominae (Unident.) QDAJ9999
8
Ephemeroptera QE 31 9
Baetidae (Unident.) QE029999
27
Caenidae (Unident.) QE089999
4
Hemiptera QH 29 2
Hebridae (Unident.) QH539999
2
Veliidae (Unident.) QH569999
4
Gerridae (Unident.) QH579999
8
Corixidae (Unident.) QH659999
14
Pleidae (Unident.) QH689999
1
Odonata QO 27 3
Coenagrionidae (Unident.) QO029999
20
Libellulidae (Unident.) QO179999
7
Trichoptera QT 4 8
Hydroptilidae (Unident.) QT039999
1
Calamoceratidae (Unident.) QT249999
1
Leptoceridae (Unident.) QT259999
2
ORDER
SIGNALT 2.9
Weighted SIGNALT 3.5