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

Maria River @ 'Comfort Hill' 42152

Source Office of Environment and Heritage
Latest Sample Date 25-05-2008
Taxa count ORDER 8
Taxa count FAMILY 19
Taxa count ALT 19
Mayflies present? 19
ORDER FAMILY ALT
SIGNAL 4.5 4 3.4
Weighted SIGNAL 4.7 4.1

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Forestry 2.2.0 Production native forests 42.18% 418,028,410m2
  Natural 1.1.3 National park 32.76% 324,716,264m2
  Minimal Use 1.3.0 Other minimal use, 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 19.28% 191,127,292m2
Show minor land uses 3
9,911,601m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Acarina MM 10 6
Mites (Unident.) MM999999
10
Mites (Unident.)
Unknown OT 28
Atyidae (Unident.) OT019999
28
Atyidae (Unident.)
Atyidae (Unident.)
Coleoptera QC 42 5
Dytiscidae (Unident.) QC099999
11
Hydrophilidae (Unident.) QC119999
6
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydraenidae (Unident.) QC139999
5
Hydraenidae (Unident.)
Scirtidae (Unident.) QC209999
20
Scirtidae (Unident.)
Diptera QD 7 3
Tanypodinae (Unident.) QDAE9999
7
Ephemeroptera QE 19 9
Leptophlebiidae (Unident.) QE069999
19
Hemiptera QH 24 2
Mesoveliidae (Unident.) QH529999
4
Hydrometridae (Unident.) QH549999
1
Veliidae (Unident.) QH569999
16
Gerridae (Unident.) QH579999
2
Notonectidae (Unident.) QH679999
1
Odonata QO 32 3
Coenagrionidae (Unident.) QO029999
13
Megapodagrionidae (Unident.) QO079999
16
Synlestidae (Unident.) QO089999
2
Aeshnidae (Unident.) QO129999
1
Trichoptera QT 23 8
Ecnomidae (Unident.) QT089999
1
Leptoceridae (Unident.) QT259999
22
ORDER
SIGNALT 4.5
Weighted SIGNALT 4.4