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

Nepean River us McGuires Crossing 23070

Source Office of Environment and Heritage
Latest Sample Date 15-06-2009
Taxa count ORDER 10
Taxa count FAMILY 31
Taxa count ALT 31
Mayflies present? 56
ORDER FAMILY ALT
SIGNAL 5 5 4.5
Weighted SIGNAL 5.3 5.7

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 98.54% 6,641,993,045m2
Show minor land uses 6
67,405,337m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Oligochaeta LO 6 2
Oligochaeta (Unident.) LO999999
6
Unknown OT 8
Atyidae (Unident.) OT019999
8
Atyidae (Unident.)
Atyidae (Unident.)
Coleoptera QC 11 5
Dytiscidae (Unident.) QC099999
1
Gyrinidae (Unident.) QC109999
6
Gyrinidae (Unident.)
Scirtidae (Unident.) QC209999
2
Scirtidae (Unident.)
Elmidae (Unident.) QC349999
2
Elmidae (Unident.)
Diptera QD 97 3
Ceratopogonidae (Unident.) QD099999
2
Ceratopogonidae (Unident.)
Simuliidae (Unident.) QD109999
39
Simuliidae (Unident.)
Diamesinae (Unident.) QDAB9999
4
Tanypodinae (Unident.) QDAE9999
12
Orthocladiinae (Unident.) QDAF9999
32
Chironominae (Unident.) QDAJ9999
8
Ephemeroptera QE 56 9
Baetidae (Unident.) QE029999
20
Leptophlebiidae (Unident.) QE069999
33
Caenidae (Unident.) QE089999
3
Hemiptera QH 8 2
Gerridae (Unident.) QH579999
2
Corixidae (Unident.) QH659999
6
Megaloptera QM 4 8
Corydalidae (Unident.) QM019999
4
Corydalidae (Unident.)
Odonata QO 9 3
Coenagrionidae (Unident.) QO029999
1
Isostictidae (Unident.) QO039999
1
Synlestidae (Unident.) QO089999
2
Aeshnidae (Unident.) QO129999
2
Gomphidae (Unident.) QO139999
1
Corduliidae (Unident.) QO169999
2
Plecoptera QP 24 10
Gripopterygidae (Unident.) QP039999
24
Trichoptera QT 19 8
Glossosomatidae (Unident.) QT029999
1
Hydropsychidae (Unident.) QT069999
7
Conoesucidae (Unident.) QT159999
1
Atriplectididae (Unident.) QT239999
1
Calamoceratidae (Unident.) QT249999
4
Leptoceridae (Unident.) QT259999
5
ORDER
SIGNALT 5.0
Weighted SIGNALT 5.4