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

THOMSON RIVER AT BRUNTONS 250950

Source EPA Victoria
Latest Sample Date 12-11-2003
Taxa count ORDER 9
Taxa count FAMILY 19
Taxa count ALT 19
Mayflies present? 58
ORDER FAMILY ALT
SIGNAL 5.4 5.7 5.2
Weighted SIGNAL 6.1 6.5

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Forestry 2.2.0 Production native forests 84.50% 76,678,069,177m2
  Natural 1.1.1 Strict nature reserves, 1.1.3 National park, 1.1.4 Natural feature protection, 1.1.7 Other conserved area 13.60% 12,337,735,195m2
Show minor land uses 6
907,446,574m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 12 1
Hydrobiidae (Unident.) KG029999
12
Oligochaeta LO 2 2
Oligochaeta (Unident.) LO999999
2
Coleoptera QC 7 5
Elmidae (Unident.) QC349999
1
Elmidae (Unident.)
Psephenidae (Unident.) QC379999
6
Psephenidae (Unident.)
Psephenidae (Unident.)
Diptera QD 59 3
Simuliidae (Unident.) QD109999
46
Simuliidae (Unident.)
Aphroteniinae (Unident.) QDAA9999
1
Tanypodinae (Unident.) QDAE9999
1
Orthocladiinae (Unident.) QDAF9999
11
Ephemeroptera QE 58 9
Baetidae (Unident.) QE029999
7
Coloburiscidae (Unident.) QE059999
28
Leptophlebiidae (Unident.) QE069999
23
Megaloptera QM 2 8
Corydalidae (Unident.) QM019999
2
Corydalidae (Unident.)
Odonata QO 7 3
Gomphidae (Unident.) QO139999
3
Telephlebiidae (Unident.) QO219999
4
Plecoptera QP 27 10
Gripopterygidae (Unident.) QP039999
27
Trichoptera QT 14 8
Glossosomatidae (Unident.) QT029999
1
Hydropsychidae (Unident.) QT069999
6
Conoesucidae (Unident.) QT159999
6
Calamoceratidae (Unident.) QT249999
1
ORDER
SIGNALT 5.4
Weighted SIGNALT 5.8
Taxa Abundance SIGNALT Grade
Gastropoda KG 13 1
Hydrobiidae (Unident.) KG029999
11
Physidae (Unident.) KG089999
2
Coleoptera QC 3 5
Elmidae (Unident.) QC349999
1
Elmidae (Unident.)
Psephenidae (Unident.) QC379999
2
Psephenidae (Unident.)
Psephenidae (Unident.)
Diptera QD 4 3
Simuliidae (Unident.) QD109999
1
Simuliidae (Unident.)
Tanypodinae (Unident.) QDAE9999
1
Orthocladiinae (Unident.) QDAF9999
1
Chironominae (Unident.) QDAJ9999
1
Ephemeroptera QE 50 9
Baetidae (Unident.) QE029999
3
Ameletopsidae (Unident.) QE049999
11
Coloburiscidae (Unident.) QE059999
19
Leptophlebiidae (Unident.) QE069999
17
Odonata QO 9 3
Telephlebiidae (Unident.) QO219999
9
Plecoptera QP 4 10
Gripopterygidae (Unident.) QP039999
4
Trichoptera QT 40 8
Glossosomatidae (Unident.) QT029999
5
Philopotamidae (Unident.) QT049999
16
Hydropsychidae (Unident.) QT069999
19
ORDER
SIGNALT 5.6
Weighted SIGNALT 5.8