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

Doubtful Ck @ Dyraaba 42023

Source Office of Environment and Heritage
Latest Sample Date 21-05-2008
Taxa count ORDER 13
Taxa count FAMILY 37
Taxa count ALT 37
Mayflies present? 19
ORDER FAMILY ALT
SIGNAL 2.8 4 3.1
Weighted SIGNAL 4.6 3.9

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Minimal Use 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 55.93% 5,016,459,233m2
  Natural 1.1.3 National park 19.86% 1,781,719,140m2
  Pastoral Farming 3.2.0 Grazing modified pastures 8.53% 764,879,429m2
  Forestry Plantation 3.1.1 Hardwood plantation forestry 6.52% 585,157,759m2
  Forestry 2.2.0 Production native forests 5.80% 520,168,004m2
Show minor land uses 3
89,693,361m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Turbellaria IF 5 2
Dugesiidae (Unident.) IF619999
5
Gastropoda KG 29 1
Hydrobiidae (Unident.) KG029999
29
Bivalvia KP 19 3
Corbiculidae (Unident.) KP029999
9
Sphaeriidae (Unident.) KP039999
10
Unknown OH 1
Ostracoda (Unident.) OH999999
1
Unknown OJ 6
Copepoda (Unident.) OJ999999
6
Unknown OT 10
Atyidae (Unident.) OT019999
10
Atyidae (Unident.)
Atyidae (Unident.)
Unknown OV 2
Parastacidae (Unident.) OV019999
2
Parastacidae (Unident.)
Parastacidae (Unident.)
Coleoptera QC 40 5
Dytiscidae (Unident.) QC099999
32
Gyrinidae (Unident.) QC109999
3
Gyrinidae (Unident.)
Hydrophilidae (Unident.) QC119999
3
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydraenidae (Unident.) QC139999
1
Hydraenidae (Unident.)
Staphylinidae (Unident.) QC189999
1
Diptera QD 56 3
Tanypodinae (Unident.) QDAE9999
6
Chironominae (Unident.) QDAJ9999
50
Ephemeroptera QE 19 9
Baetidae (Unident.) QE029999
5
Leptophlebiidae (Unident.) QE069999
7
Caenidae (Unident.) QE089999
7
Hemiptera QH 29 2
Mesoveliidae (Unident.) QH529999
1
Hydrometridae (Unident.) QH549999
3
Veliidae (Unident.) QH569999
4
Gerridae (Unident.) QH579999
7
Corixidae (Unident.) QH659999
7
Notonectidae (Unident.) QH679999
6
Pleidae (Unident.) QH689999
1
Odonata QO 41 3
Coenagrionidae (Unident.) QO029999
11
Isostictidae (Unident.) QO039999
6
Megapodagrionidae (Unident.) QO079999
9
Gomphidae (Unident.) QO139999
9
Corduliidae (Unident.) QO169999
1
Libellulidae (Unident.) QO179999
5
Trichoptera QT 21 8
Hydrobiosidae (Unident.) QT019999
2
Hydroptilidae (Unident.) QT039999
2
Hydropsychidae (Unident.) QT069999
2
Ecnomidae (Unident.) QT089999
2
Calamoceratidae (Unident.) QT249999
2
Leptoceridae (Unident.) QT259999
11
ORDER
SIGNALT 2.8
Weighted SIGNALT 3.4