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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 276300

Source EPA Victoria
Latest Sample Date 07-11-2004
Taxa count ORDER 8
Taxa count FAMILY 22
Taxa count ALT 22
Mayflies present? 65
ORDER FAMILY ALT
SIGNAL 5.6 5.7 5
Weighted SIGNAL 6.6 6.7

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Forestry Plantation 3.1.1 Hardwood plantation forestry, 3.1.2 Softwood plantation forestry 38.70% 2,422,846,840m2
  Pastoral Farming 3.2.0 Grazing modified pastures 30.49% 1,908,591,601m2
  Natural 1.1.1 Strict nature reserves, 1.1.3 National park, 1.1.7 Other conserved area 16.15% 1,010,768,922m2
  Residential And Infrastructure 5.4.1 Urban residential, 5.4.2 Rural residential with agriculture, 5.4.3 Rural residential without agriculture, 5.5.2 Public services, 5.7.2 Roads 7.24% 453,534,139m2
  Forestry 2.2.0 Production native forests, 3.1.0 Plantation forests 3.37% 210,899,622m2
Show minor land uses 5
62,602,704m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 7 1
Hydrobiidae (Unident.) KG029999
7
Acarina MM 4 6
Mites (Unident.) MM999999
4
Mites (Unident.)
Coleoptera QC 14 5
Elmidae (Unident.) QC349999
8
Elmidae (Unident.)
Psephenidae (Unident.) QC379999
6
Psephenidae (Unident.)
Psephenidae (Unident.)
Diptera QD 30 3
Tipulidae (Unident.) QD019999
11
Simuliidae (Unident.) QD109999
1
Simuliidae (Unident.)
Empididae (Unident.) QD359999
1
Diamesinae (Unident.) QDAB9999
1
Tanypodinae (Unident.) QDAE9999
1
Orthocladiinae (Unident.) QDAF9999
11
Chironominae (Unident.) QDAJ9999
4
Ephemeroptera QE 65 9
Baetidae (Unident.) QE029999
40
Leptophlebiidae (Unident.) QE069999
24
Caenidae (Unident.) QE089999
1
Odonata QO 3 3
Telephlebiidae (Unident.) QO219999
3
Plecoptera QP 11 10
Gripopterygidae (Unident.) QP039999
11
Trichoptera QT 73 8
Hydrobiosidae (Unident.) QT019999
8
Glossosomatidae (Unident.) QT029999
13
Hydropsychidae (Unident.) QT069999
22
Tasimiidae (Unident.) QT139999
3
Conoesucidae (Unident.) QT159999
21
Calocidae (Unident.) QT189999
6
ORDER
SIGNALT 5.6
Weighted SIGNALT 6.0
Taxa Abundance SIGNALT Grade
Turbellaria IF 3 2
Dugesiidae (Unident.) IF619999
3
Gastropoda KG 12 1
Hydrobiidae (Unident.) KG029999
11
Ancylidae (Unident.) KG069999
1
Coleoptera QC 6 5
Hydraenidae (Unident.) QC139999
1
Hydraenidae (Unident.)
Elmidae (Unident.) QC349999
2
Elmidae (Unident.)
Elmidae (Unident.)(Larvae) QC34999I
1
Elmidae (Unident.)(Larvae)
Psephenidae (Unident.) QC379999
2
Psephenidae (Unident.)
Psephenidae (Unident.)
Diptera QD 17 3
Tipulidae (Unident.) (Pupa) QD01999I
1
Ceratopogonidae (Unident.) QD099999
2
Ceratopogonidae (Unident.)
Simuliidae (Unident.) QD109999
7
Simuliidae (Unident.)
Orthocladiinae (Unident.) QDAF9999
3
Chironominae (Unident.) QDAJ9999
3
Diptera (Unident.) (Pupa) QDZZ999I
1
Ephemeroptera QE 27 9
Baetidae (Unident.) QE029999
15
Coloburiscidae (Unident.) QE059999
3
Leptophlebiidae (Unident.) QE069999
3
Caenidae (Unident.) QE089999
6
Megaloptera QM 4 8
Corydalidae (Unident.) QM019999
4
Corydalidae (Unident.)
Odonata QO 4 3
Telephlebiidae (Unident.) QO219999
4
Plecoptera QP 7 10
Gripopterygidae (Unident.) QP039999
7
Trichoptera QT 87 8
Hydrobiosidae (Unident.) QT019999
11
Philopotamidae (Unident.) QT049999
23
Hydropsychidae (Unident.) QT069999
13
Polycentropodidae (Unident.) QT079999
6
Tasimiidae (Unident.) QT139999
18
Conoesucidae (Unident.) QT159999
11
Calocidae (Unident.) QT189999
4
Philorheithridae (Unident.) QT219999
1
ORDER
SIGNALT 5.4
Weighted SIGNALT 5.7