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

ROYSTON RIVER AT ROYSTON RIVER ROAD 50019

Source EPA Victoria
Latest Sample Date 10-03-2008
Taxa count ORDER 8
Taxa count FAMILY 21
Taxa count ALT 22
Mayflies present? 24
ORDER FAMILY ALT
SIGNAL 5.8 6.1 5.4
Weighted SIGNAL 6.5 5 6.1

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Forestry 2.2.0 Production native forests 76.99% 1,866,563,561m2
  Natural 1.1.3 National park 23.01% 557,892,607m2
24,244,562m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Oligochaeta LO 6 2
Oligochaeta (Unident.) LO999999
6
Acarina MM 2 6
Mites (Unident.) MM999999
2
Mites (Unident.)
Amphipoda OP 6 3
Eusiridae (Unident.) OP039999
6
Eusiridae (Unident.)
Eusiridae (Unident.)
Eusiridae (Unident.)
Coleoptera QC 15 5
Scirtidae (Unident.) QC209999
1
Scirtidae (Unident.)
Elmidae (Unident.) QC349999
9
Elmidae (Unident.)
Elmidae (Unident.)(Larvae) QC34999I
1
Elmidae (Unident.)(Larvae)
Psephenidae (Unident.) QC379999
4
Psephenidae (Unident.)
Psephenidae (Unident.)
Diptera QD 21 3
Tipulidae (Unident.) QD019999
8
Simuliidae (Unident.) QD109999
3
Simuliidae (Unident.)
Athericidae (Unident.) QD229999
4
Athericidae (Unident.)
Athericidae (Unident.)
Orthocladiinae (Unident.) QDAF9999
4
Chironominae (Unident.) QDAJ9999
2
Ephemeroptera QE 24 9
Baetidae (Unident.) QE029999
3
Coloburiscidae (Unident.) QE059999
5
Leptophlebiidae (Unident.) QE069999
16
Plecoptera QP 5 10
Gripopterygidae (Unident.) QP039999
4
Notonemouridae (Unident.) QP049999
1
Trichoptera QT 24 8
Hydrobiosidae (Unident.) QT019999
14
Hydropsychidae (Unident.) QT069999
3
Conoesucidae (Unident.) QT159999
3
Calocidae (Unident.) QT189999
2
Helicophidae (Unident.) QT199999
2
ORDER
SIGNALT 5.8
Weighted SIGNALT 5.8
Taxa Abundance SIGNALT Grade
Oligochaeta LO 5 2
Oligochaeta (Unident.) LO999999
5
Amphipoda OP 15 3
Eusiridae (Unident.) OP039999
15
Eusiridae (Unident.)
Eusiridae (Unident.)
Eusiridae (Unident.)
Coleoptera QC 5 5
Elmidae (Unident.)(Larvae) QC34999I
5
Elmidae (Unident.)(Larvae)
Diptera QD 22 3
Tipulidae (Unident.) QD019999
5
Simuliidae (Unident.) QD109999
9
Simuliidae (Unident.)
Athericidae (Unident.) QD229999
2
Athericidae (Unident.)
Athericidae (Unident.)
Podonominae (Unident.) QDAD9999
2
Orthocladiinae (Unident.) QDAF9999
2
Chironominae (Unident.) QDAJ9999
2
Ephemeroptera QE 31 9
Baetidae (Unident.) QE029999
11
Coloburiscidae (Unident.) QE059999
9
Leptophlebiidae (Unident.) QE069999
11
Plecoptera QP 12 10
Eustheniidae (Unident.) QP019999
3
Austroperlidae (Unident.) QP029999
2
Gripopterygidae (Unident.) QP039999
7
Trichoptera QT 25 8
Hydrobiosidae (Unident.) QT019999
15
Glossosomatidae (Unident.) QT029999
2
Philopotamidae (Unident.) QT049999
1
Hydropsychidae (Unident.) QT069999
2
Conoesucidae (Unident.) QT159999
3
Helicophidae (Unident.) QT199999
1
Philorheithridae (Unident.) QT219999
1
ORDER
SIGNALT 5.7
Weighted SIGNALT 6.1