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

Landsdowne River @ Drury's 51167

Source Office of Environment and Heritage
Latest Sample Date 04-11-2008
Taxa count ORDER 10
Taxa count FAMILY 21
Taxa count ALT 21
Mayflies present? 41
ORDER FAMILY ALT
SIGNAL 4.1 4 3.4
Weighted SIGNAL 4.6 4.7

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Pastoral Farming 3.2.0 Grazing modified pastures 44.88% 114,913,160m2
  Intensive Pastoral Farming 5.2.0 Intensive animal production 16.20% 41,468,662m2
  Minimal Use 2.1.0 Grazing native vegetation 14.44% 36,972,060m2
  Arable Farming 3.3.0 Cropping 11.61% 29,727,535m2
  Residential And Infrastructure 5.4.0 Residential and farm infrastructure, 5.7.0 Transport and communication 10.93% 27,978,856m2
Show minor land uses 1
2,560,565m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Bivalvia KP 2 3
Sphaeriidae (Unident.) KP039999
2
Oligochaeta LO 1 2
Oligochaeta (Unident.) LO999999
1
Acarina MM 1 6
Mites (Unident.) MM999999
1
Mites (Unident.)
Unknown OT 8
Atyidae (Unident.) OT019999
8
Atyidae (Unident.)
Atyidae (Unident.)
Coleoptera QC 27 5
Dytiscidae (Unident.) QC099999
15
Hydrophilidae (Unident.) QC119999
12
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Diptera QD 24 3
Ceratopogonidae (Unident.) QD099999
2
Ceratopogonidae (Unident.)
Tanypodinae (Unident.) QDAE9999
4
Chironominae (Unident.) QDAJ9999
18
Ephemeroptera QE 41 9
Leptophlebiidae (Unident.) QE069999
31
Caenidae (Unident.) QE089999
10
Hemiptera QH 7 2
Veliidae (Unident.) QH569999
3
Belostomatidae (Unident.) QH629999
1
Notonectidae (Unident.) QH679999
3
Odonata QO 31 3
Isostictidae (Unident.) QO039999
3
Megapodagrionidae (Unident.) QO079999
2
Synlestidae (Unident.) QO089999
15
Gomphidae (Unident.) QO139999
6
Corduliidae (Unident.) QO169999
5
Trichoptera QT 11 8
Calamoceratidae (Unident.) QT249999
6
Leptoceridae (Unident.) QT259999
5
ORDER
SIGNALT 4.1
Weighted SIGNALT 4.5