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

Tarlo River at NP track pond 23148

Source Office of Environment and Heritage
Latest Sample Date 30-04-2009
Taxa count ORDER 14
Taxa count FAMILY 30
Taxa count ALT 30
Mayflies present? 26
ORDER FAMILY ALT
SIGNAL 2.9 3.9 2.9
Weighted SIGNAL 4.9 3.6

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Minimal Use 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 46.22% 21,605,620,640m2
  Pastoral Farming 3.2.0 Grazing modified pastures 32.12% 15,015,867,598m2
  Arable Farming 3.3.0 Cropping, 3.4.0 Perennial horticulture 9.50% 4,441,415,056m2
  Natural 1.1.1 Strict nature reserves, 1.1.3 National park, 1.2.0 Managed resource protection, 1.2.1 Biodiversity 9.21% 4,303,675,444m2
Show minor land uses 5
467,469,746m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Turbellaria IF 2 2
Dugesiidae (Unident.) IF619999
2
Gastropoda KG 10 1
Physidae (Unident.) KG089999
10
Bivalvia KP 4 3
Hyriidae (Unident.) KP019999
1
Sphaeriidae (Unident.) KP039999
3
Hirudinea LH 2 1
Glossiphoniidae (Unident.) LH019999
2
Unknown OG 4
Cladocera (Unident.) OG999999
4
Unknown OH 1
Ostracoda (Unident.) OH999999
1
Amphipoda OP 15 3
Ceinidae (Unident.) OP029999
15
Ceinidae (Unident.)
Ceinidae (Unident.)
Ceinidae (Unident.)
Ceinidae (Unident.)
Ceinidae (Unident.)
Ceinidae (Unident.)
Unknown OT 56
Atyidae (Unident.) OT019999
56
Atyidae (Unident.)
Atyidae (Unident.)
Atyidae (Unident.)
Atyidae (Unident.)
Coleoptera QC 16 5
Dytiscidae (Unident.) QC099999
10
Scirtidae (Unident.) QC209999
5
Scirtidae (Unident.)
Scirtidae (Unident.)
Hydrochidae (Unident.) QCAO9999
1
Hydrochidae (Unident.)
Diptera QD 77 3
Tipulidae (Unident.) QD019999
1
Ceratopogonidae (Unident.) QD099999
2
Ceratopogonidae (Unident.)
Tanypodinae (Unident.) QDAE9999
8
Orthocladiinae (Unident.) QDAF9999
10
Chironominae (Unident.) QDAJ9999
56
Ephemeroptera QE 26 9
Baetidae (Unident.) QE029999
9
Leptophlebiidae (Unident.) QE069999
6
Caenidae (Unident.) QE089999
11
Hemiptera QH 27 2
Veliidae (Unident.) QH569999
7
Corixidae (Unident.) QH659999
15
Notonectidae (Unident.) QH679999
5
Odonata QO 92 3
Coenagrionidae (Unident.) QO029999
90
Aeshnidae (Unident.) QO129999
1
Corduliidae (Unident.) QO169999
1
Trichoptera QT 13 8
Hydroptilidae (Unident.) QT039999
3
Ecnomidae (Unident.) QT089999
6
Calamoceratidae (Unident.) QT249999
3
Leptoceridae (Unident.) QT259999
1
ORDER
SIGNALT 2.9
Weighted SIGNALT 3.4