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

Gradna Creek @ SOR 112 416001112

Source Queensland Murray-Darling Committee
Latest Sample Date 21-09-2006
Taxa count ORDER 5
Taxa count FAMILY 7
Taxa count ALT 7
Mayflies present? 0
ORDER FAMILY ALT
SIGNAL 2 2.1 0.6
Weighted SIGNAL 2.7 1.8

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Minimal Use 2.1.0 Grazing native vegetation 57.73% 29,437,959,476m2
  Arable Farming 3.3.0 Cropping, 4.3.0 Irrigated cropping, 4.3.6 Irrigated cotton 40.02% 20,404,971,911m2
Show minor land uses 4
509,886,798m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Unknown OH 4
Ostracoda (Unident.) OH999999
 4
Unknown OJ 4
COPEPODA OJ000000
 4
Coleoptera QC 2 5
Dytiscidae (Unident.) QC099999
 2
Diptera QD 9 3
Culicidae (Unident.) QD079999
 6
Culicidae (Unident.)
Chironomidae QDA00000
 3
Hemiptera QH 5 2
Hydrometridae (Unident.) QH549999
 4
Corixidae (Unident.) QH659999
 1
ORDER
SIGNALT 2.0
Weighted SIGNALT 1.8
Taxa Abundance SIGNALT Grade
Gastropoda KG 2 1
Gastropoda (Unident.) KG999999
 2
Oligochaeta LO 1 2
Oligochaeta (Unident.) LO999999
 1
Coleoptera QC 11 5
Dytiscidae (Unident.) QC099999
 2
Hydrophilidae (Unident.) QC119999
 9
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Diptera QD 3 3
Chironomidae QDA00000
 3
Hemiptera QH 5 2
Nepidae (Unident.) QH619999
 3
Notonectidae (Unident.) QH679999
 2
Lepidoptera QL 3 2
Lepidoptera (Unident.) QL999999
 3
Lepidoptera (Unident.)
Odonata QO 8 3
Zygoptera (Unident.) QO999997
 4
Epiproctophora (Unident.) QO999998
 4
Trichoptera QT 10 8
Trichoptera (Unident.) QT999999
 10
ORDER
SIGNALT 3.2
Weighted SIGNALT 3.9

   

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