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

Barwon R @ Wolkara Station 61437

Source Office of Environment and Heritage
Latest Sample Date 05-04-2005
Taxa count ORDER 7
Taxa count FAMILY 19
Taxa count ALT 19
Mayflies present? 45
ORDER FAMILY ALT
SIGNAL 4.1 3.8 2.4
Weighted SIGNAL 3.5 3.9

Waterbug sample history

Taxa Abundance SIGNALT Grade
Isopoda OR 25 2
Corallanidae OR099999
25
Unknown OT 24
Atyidae (Unident.) OT019999
2
Atyidae (Unident.)
Atyidae (Unident.)
Palaemonidae (Unident.) OT029999
22
Palaemonidae (Unident.)
Palaemonidae (Unident.)
Coleoptera QC 17 5
Gyrinidae (Unident.) QC109999
3
Gyrinidae (Unident.)
Hydrophilidae (Unident.) QC119999
6
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydraenidae (Unident.) QC139999
8
Hydraenidae (Unident.)
Hydraenidae (Unident.)
Diptera QD 31 3
Ceratopogonidae (Unident.) QD099999
4
Ceratopogonidae (Unident.)
Tanypodinae (Unident.) QDAE9999
4
Orthocladiinae (Unident.) QDAF9999
2
Chironominae (Unident.) QDAJ9999
21
Ephemeroptera QE 45 9
Baetidae (Unident.) QE029999
35
Caenidae (Unident.) QE089999
10
Hemiptera QH 45 2
Mesoveliidae (Unident.) QH529999
1
Veliidae (Unident.) QH569999
2
Gerridae (Unident.) QH579999
17
Ochteridae (Unident.) QH639999
1
Corixidae (Unident.) QH659999
24
Trichoptera QT 5 8
Ecnomidae (Unident.) QT089999
4
Leptoceridae (Unident.) QT259999
1
ORDER
SIGNALT 4.1
Weighted SIGNALT 3.7