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

TARRA RIVER AT TARRA VALLEY ROAD PICNIC GROUND 270123

Source EPA Victoria
Latest Sample Date 04-04-2006
Taxa count ORDER 9
Taxa count FAMILY 25
Taxa count ALT 26
Mayflies present? 28
ORDER FAMILY ALT
SIGNAL 6.1 6 5.4
Weighted SIGNAL 6.3 5 5.8

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Natural 1.1.3 National park, 1.1.7 Other conserved area 74.99% 658,606,583m2
  Forestry Plantation 3.1.1 Hardwood plantation forestry, 3.1.2 Softwood plantation forestry 18.21% 159,904,481m2
  Residential And Infrastructure 5.4.2 Rural residential with agriculture, 5.4.3 Rural residential without agriculture, 5.5.2 Public services, 5.7.2 Roads 3.47% 30,481,792m2
Show minor land uses 3
8,782,254m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Amphipoda OP 33 3
Ceinidae (Unident.) OP029999
6
Ceinidae (Unident.)
Ceinidae (Unident.)
Ceinidae (Unident.)
Eusiridae (Unident.) OP039999
27
Eusiridae (Unident.)
Eusiridae (Unident.)
Eusiridae (Unident.)
Coleoptera QC 14 5
Hydrophilidae (Unident.) QC119999
9
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Scirtidae (Unident.) QC209999
1
Scirtidae (Unident.)
Elmidae (Unident.) QC349999
1
Elmidae (Unident.)
Elmidae (Unident.)(Larvae) QC34999I
1
Elmidae (Unident.)(Larvae)
Ptilodactylidae (Unident.) QC399999
2
Ptilodactylidae (Unident.)
Diptera QD 16 3
Tipulidae (Unident.) QD019999
3
Simuliidae (Unident.) QD109999
6
Simuliidae (Unident.)
Thaumaleidae (Unident.) QD119999
1
Podonominae (Unident.) QDAD9999
1
Orthocladiinae (Unident.) QDAF9999
1
Chironominae (Unident.) QDAJ9999
4
Ephemeroptera QE 28 9
Baetidae (Unident.) QE029999
1
Leptophlebiidae (Unident.) QE069999
27
Megaloptera QM 1 8
Corydalidae (Unident.) QM019999
1
Corydalidae (Unident.)
Neuroptera QN 2 6
Neurorthidae (Unident.) QN049999
2
Neurorthidae (Unident.)
Neurorthidae (Unident.)
Odonata QO 1 3
Telephlebiidae (Unident.) QO219999
1
Plecoptera QP 10 10
Eustheniidae (Unident.) QP019999
4
Gripopterygidae (Unident.) QP039999
5
Notonemouridae (Unident.) QP049999
1
Trichoptera QT 44 8
Hydrobiosidae (Unident.) QT019999
1
Philopotamidae (Unident.) QT049999
3
Hydropsychidae (Unident.) QT069999
34
Calocidae (Unident.) QT189999
5
Philorheithridae (Unident.) QT219999
1
ORDER
SIGNALT 6.1
Weighted SIGNALT 6.2
Taxa Abundance SIGNALT Grade
Nematomorpha IJ 1 6
Gordiidae (Unident.) IJ019999
1
Amphipoda OP 90 3
Eusiridae (Unident.) OP039999
90
Eusiridae (Unident.)
Eusiridae (Unident.)
Eusiridae (Unident.)
Unknown OV 2
Parastacidae (Unident.) OV019999
2
Parastacidae (Unident.)
Parastacidae (Unident.)
Coleoptera QC 30 5
Hydrophilidae (Unident.) QC119999
21
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Elmidae (Unident.) QC349999
5
Elmidae (Unident.)
Psephenidae (Unident.) QC379999
4
Psephenidae (Unident.)
Psephenidae (Unident.)
Diptera QD 8 3
Tipulidae (Unident.) QD019999
1
Simuliidae (Unident.) QD109999
1
Simuliidae (Unident.)
Podonominae (Unident.) QDAD9999
1
Orthocladiinae (Unident.) QDAF9999
2
Chironominae (Unident.) QDAJ9999
3
Ephemeroptera QE 33 9
Baetidae (Unident.) QE029999
5
Leptophlebiidae (Unident.) QE069999
28
Megaloptera QM 1 8
Corydalidae (Unident.) QM019999
1
Corydalidae (Unident.)
Neuroptera QN 4 6
Osmylidae (Unident.) QN039999
2
Osmylidae (Unident.)
Osmylidae (Unident.)
Neurorthidae (Unident.) QN049999
2
Neurorthidae (Unident.)
Neurorthidae (Unident.)
Plecoptera QP 30 10
Eustheniidae (Unident.) QP019999
3
Gripopterygidae (Unident.) QP039999
26
Notonemouridae (Unident.) QP049999
1
Trichoptera QT 53 8
Hydrobiosidae (Unident.) QT019999
8
Glossosomatidae (Unident.) QT029999
6
Philopotamidae (Unident.) QT049999
2
Hydropsychidae (Unident.) QT069999
30
Calocidae (Unident.) QT189999
2
Philorheithridae (Unident.) QT219999
5
ORDER
SIGNALT 5.8
Weighted SIGNALT 6.4