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

Snowy River d/s Dalgety Weir SNOW504

Source Office of Environment and Heritage
Latest Sample Date 03-12-1997
Taxa count ORDER 11
Taxa count FAMILY 21
Taxa count ALT 21
Mayflies present? 2
ORDER FAMILY ALT
SIGNAL 3.3 3.5 2.2
Weighted SIGNAL 4.2 3

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Minimal Use 1.3.0 Other minimal use, 2.1.0 Grazing native vegetation 40.51% 126,162,273,961m2
  Pastoral Farming 3.2.0 Grazing modified pastures, 3.2.5 Sown grasses 14.90% 46,397,928,222m2
  Water 6.1.0 Lake, 6.2.2 Water storage - intensive use/farm dams, 6.5.0 Marsh/wetland 5.74% 17,891,607,934m2
Show minor land uses 10
3,114,497,308m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 10 1
Planorbidae (Unident.) KG079999
2
Physidae (Unident.) KG089999
8
Oligochaeta LO 1 2
Oligochaeta (Unident.) LO999999
1
Amphipoda OP 9 3
Ceinidae (Unident.) OP029999
9
Ceinidae (Unident.)
Ceinidae (Unident.)
Ceinidae (Unident.)
Unknown OT 14
Atyidae (Unident.) OT019999
14
Atyidae (Unident.)
Atyidae (Unident.)
Unknown QA 1
Collembola (Unident.) QA999999
1
Coleoptera QC 41 5
Dytiscidae (Unident.) QC099999
17
Hydrophilidae (Unident.) QC119999
24
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Diptera QD 24 3
Ceratopogonidae (Unident.) QD099999
2
Ceratopogonidae (Unident.)
Tanypodinae (Unident.) QDAE9999
3
Orthocladiinae (Unident.) QDAF9999
1
Chironominae (Unident.) QDAJ9999
18
Ephemeroptera QE 2 9
Baetidae (Unident.) QE029999
1
Caenidae (Unident.) QE089999
1
Hemiptera QH 22 2
Mesoveliidae (Unident.) QH529999
3
Veliidae (Unident.) QH569999
5
Gerridae (Unident.) QH579999
5
Corixidae (Unident.) QH659999
9
Odonata QO 4 3
Coenagrionidae (Unident.) QO029999
4
Trichoptera QT 20 8
Calamoceratidae (Unident.) QT249999
1
Leptoceridae (Unident.) QT259999
19
ORDER
SIGNALT 3.3
Weighted SIGNALT 3.3
Taxa Abundance SIGNALT Grade
Turbellaria IF 12 2
Dugesiidae (Unident.) IF619999
12
Gastropoda KG 1 1
Physidae (Unident.) KG089999
1
Bivalvia KP 1 3
Corbiculidae (Unident.) KP029999
1
Hirudinea LH 1 1
Richardsonianidae (Unident.) LH039999
1
Oligochaeta LO 3 2
Oligochaeta (Unident.) LO999999
3
Unknown OG 5
Cladocera (Unident.) OG999999
5
Unknown OH 1
Ostracoda (Unident.) OH999999
1
Unknown OT 44
Atyidae (Unident.) OT019999
44
Atyidae (Unident.)
Atyidae (Unident.)
Coleoptera QC 5 5
Dytiscidae (Unident.) QC099999
5
Diptera QD 6 3
Ceratopogonidae (Unident.) QD099999
2
Ceratopogonidae (Unident.)
Orthocladiinae (Unident.) QDAF9999
1
Chironominae (Unident.) QDAJ9999
3
Ephemeroptera QE 2 9
Caenidae (Unident.) QE089999
2
Hemiptera QH 34 2
Veliidae (Unident.) QH569999
1
Corixidae (Unident.) QH659999
22
Notonectidae (Unident.) QH679999
11
Odonata QO 9 3
Coenagrionidae (Unident.) QO029999
4
Gomphidae (Unident.) QO139999
3
Libellulidae (Unident.) QO179999
2
Trichoptera QT 10 8
Calamoceratidae (Unident.) QT249999
7
Leptoceridae (Unident.) QT259999
3
ORDER
SIGNALT 2.8
Weighted SIGNALT 2.6