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

Downfall Ck u/s Dinner Ck Jn 43031

Source Office of Environment and Heritage
Latest Sample Date 08-05-2008
Taxa count ORDER 11
Taxa count FAMILY 30
Taxa count ALT 30
Mayflies present? 15
ORDER FAMILY ALT
SIGNAL 4.3 4.3 4.2
Weighted SIGNAL 5.5 4.9

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Forestry 2.2.0 Production native forests 71.14% 6,586,387,111m2
  Minimal Use 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 26.72% 2,474,112,404m2
Show minor land uses 2
92,584,285m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 3 1
Lymnaeidae (Unident.) KG059999
3
Oligochaeta LO 1 2
Oligochaeta (Unident.) LO999999
1
Acarina MM 6 6
Mites (Unident.) MM999999
6
Mites (Unident.)
Unknown OT 2
Atyidae (Unident.) OT019999
2
Atyidae (Unident.)
Atyidae (Unident.)
Coleoptera QC 88 5
Dytiscidae (Unident.) QC099999
16
Hydrophilidae (Unident.) QC119999
54
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydraenidae (Unident.) QC139999
9
Hydraenidae (Unident.)
Elmidae (Unident.) QC349999
1
Elmidae (Unident.)
Psephenidae (Unident.) QC379999
8
Psephenidae (Unident.)
Psephenidae (Unident.)
Diptera QD 4 3
Tanypodinae (Unident.) QDAE9999
4
Ephemeroptera QE 15 9
Baetidae (Unident.) QE029999
4
Leptophlebiidae (Unident.) QE069999
11
Hemiptera QH 19 2
Veliidae (Unident.) QH569999
6
Gerridae (Unident.) QH579999
3
Gelastocoridae (Unident.) QH649999
1
Corixidae (Unident.) QH659999
2
Notonectidae (Unident.) QH679999
7
Megaloptera QM 5 8
Corydalidae (Unident.) QM019999
3
Corydalidae (Unident.)
Sialidae (Unident.) QM029999
2
Odonata QO 33 3
Coenagrionidae (Unident.) QO029999
5
Isostictidae (Unident.) QO039999
1
Megapodagrionidae (Unident.) QO079999
10
Synlestidae (Unident.) QO089999
4
Diphlebiidae (Unident.) QO099999
2
Gomphidae (Unident.) QO139999
3
Corduliidae (Unident.) QO169999
3
Libellulidae (Unident.) QO179999
5
Trichoptera QT 25 8
Odontoceridae (Unident.) QT229999
1
Calamoceratidae (Unident.) QT249999
7
Leptoceridae (Unident.) QT259999
17
ORDER
SIGNALT 4.3
Weighted SIGNALT 4.9