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

Darling R @ Harcourt 61423

Source Office of Environment and Heritage
Latest Sample Date 16-04-2005
Taxa count ORDER 10
Taxa count FAMILY 14
Taxa count ALT 14
Mayflies present? 3
ORDER FAMILY ALT
SIGNAL 2.7 2.4 1.8
Weighted SIGNAL 1.6 3

Waterbug sample history

Taxa Abundance SIGNALT Grade
Turbellaria IF 1 2
Temnocephalidae (Unident.) IF419999
1
Gastropoda KG 3 1
Ancylidae (Unident.) KG069999
3
Unknown OJ 1
Copepoda (Unident.) OJ999999
1
Isopoda OR 11 2
Corallanidae OR099999
11
Unknown OT 47
Atyidae (Unident.) OT019999
12
Atyidae (Unident.)
Atyidae (Unident.)
Atyidae (Unident.)
Atyidae (Unident.)
Palaemonidae (Unident.) OT029999
35
Palaemonidae (Unident.)
Palaemonidae (Unident.)
Unknown OV 4
Parastacidae (Unident.) OV019999
4
Parastacidae (Unident.)
Parastacidae (Unident.)
Diptera QD 14 3
Orthocladiinae (Unident.) QDAF9999
1
Chironominae (Unident.) QDAJ9999
13
Ephemeroptera QE 3 9
Caenidae (Unident.) QE089999
3
Hemiptera QH 24 2
Veliidae (Unident.) QH569999
3
Gerridae (Unident.) QH579999
5
Corixidae (Unident.) QH659999
16
Trichoptera QT 2 8
Ecnomidae (Unident.) QT089999
2
ORDER
SIGNALT 2.7
Weighted SIGNALT 2.2