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

Murray River d/s Yarrawonga Weir MURR518

Source Office of Environment and Heritage
Latest Sample Date 24-01-1998
Taxa count ORDER 3
Taxa count FAMILY 3
Taxa count ALT 3
Mayflies present? 0
ORDER FAMILY ALT
SIGNAL 1.7 1.7 1
Weighted SIGNAL 3

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Pastoral Farming 3.2.0 Grazing modified pastures, 3.2.3 Pasture legumes, 3.2.5 Sown grasses, 4.2.0 Grazing irrigated modified pastures, 4.2.1 Irrigated woody fodder plants 29.60% 777,588,078,792m2
  Forestry 2.2.0 Production native forests, 3.1.0 Plantation forests 27.53% 723,138,130,708m2
  Natural 1.1.1 Strict nature reserves, 1.1.3 National park, 1.1.4 Natural feature protection, 1.1.7 Other conserved area, 1.2.0 Managed resource protection, 1.2.1 Biodiversity, 1.2.4 Landscape 18.75% 492,505,041,687m2
  Arable Farming 3.3.0 Cropping, 3.3.1 Cereals, 3.3.4 Oilseeds, 3.3.8 Pulses, 3.4.0 Perennial horticulture, 3.4.1 Tree fruits, 3.4.2 Olives, 3.4.3 Tree nuts, 3.4.9 Grapes, 3.5.3 Seasonal vegetables and herbs, 4.3.0 Irrigated cropping, 4.3.1 Irrigated cereals, 4.3.4 Irrigated oilseeds, 4.4.0 Irrigated perennial horticulture, 4.4.1 Irrigated tree fruits, 4.4.2 Irrigated olives, 4.4.5 Irrigated shrub berries and fruits, 4.4.9 Irrigated grapes, 4.5.0 Irrigated seasonal horticulture, 4.5.3 Irrigated seasonal vegetables and herbs 4.37% 114,706,167,290m2
  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, 5.5.4 Defence facilities - urban, 5.5.5 Research facilities, 5.6.0 Utilities, 5.6.2 Hydro 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 4.27% 112,191,658,143m2
  Minimal Use 1.3.0 Other minimal use, 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 3.95% 103,847,377,787m2
Show minor land uses 8
26,267,770,560m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Unknown OT 18
Atyidae (Unident.) OT019999
18
Atyidae (Unident.)
Atyidae (Unident.)
Diptera QD 1 3
Orthocladiinae (Unident.) QDAF9999
1
Hemiptera QH 1 2
Corixidae (Unident.) QH659999
1
ORDER
SIGNALT 1.7
Weighted SIGNALT 0.8
Taxa Abundance SIGNALT Grade
Unknown OT 152
Atyidae (Unident.) OT019999
140
Atyidae (Unident.)
Atyidae (Unident.)
Palaemonidae (Unident.) OT029999
12
Palaemonidae (Unident.)
Coleoptera QC 3 5
Gyrinidae (Unident.) QC109999
3
Gyrinidae (Unident.)
Diptera QD 1 3
Chironominae (Unident.) QDAJ9999
1
Ephemeroptera QE 3 9
Caenidae (Unident.) QE089999
3
Hemiptera QH 82 2
Corixidae (Unident.) QH659999
80
Notonectidae (Unident.) QH679999
2
ORDER
SIGNALT 3.8
Weighted SIGNALT 2.7