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

Darling R @ Idalia 61168

Source Office of Environment and Heritage
Latest Sample Date 03-04-2005
Taxa count ORDER 9
Taxa count FAMILY 12
Taxa count ALT 12
Mayflies present? 5
ORDER FAMILY ALT
SIGNAL 3.2 3 2.2
Weighted SIGNAL 2.4 3.9

Waterbug sample history

Taxa Abundance SIGNALT Grade
Oligochaeta LO 1 2
Oligochaeta (Unident.) LO999999
1
Acarina MM 1 6
Mites (Unident.) MM999999
1
Mites (Unident.)
Isopoda OR 19 2
Corallanidae OR099999
19
Unknown OT 20
Palaemonidae (Unident.) OT029999
20
Palaemonidae (Unident.)
Palaemonidae (Unident.)
Unknown OV 2
Parastacidae (Unident.) OV019999
2
Parastacidae (Unident.)
Parastacidae (Unident.)
Coleoptera QC 1 5
Hydraenidae (Unident.) QC139999
1
Hydraenidae (Unident.)
Diptera QD 19 3
Tanypodinae (Unident.) QDAE9999
1
Chironominae (Unident.) QDAJ9999
18
Ephemeroptera QE 5 9
Caenidae (Unident.) QE089999
5
Hemiptera QH 37 2
Gerridae (Unident.) QH579999
14
Corixidae (Unident.) QH659999
18
Notonectidae (Unident.) QH679999
5
ORDER
SIGNALT 3.2
Weighted SIGNALT 2.7