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

Stony River at Tasman H'way SWAN13

Source Department of Primary Industries, Parks, Water and Environment
Latest Sample Date 25-09-1998
Taxa count ORDER 7
Taxa count FAMILY 14
Taxa count ALT 14
Mayflies present? 0
ORDER FAMILY ALT
SIGNAL 4 4.1 2.9
Weighted SIGNAL 3.4 3.6

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Natural 1.1.1 Strict nature reserves, 1.1.5 Habitat/species management area, 1.1.6 Protected landscape, 1.1.7 Other conserved area, 1.2.0 Managed resource protection, 1.2.1 Biodiversity 38.12% 6,700,944,235m2
  Minimal Use 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 36.06% 6,338,406,675m2
  Pastoral Farming 3.2.0 Grazing modified pastures, 3.2.1 Native/exotic pasture mosaic 10.45% 1,836,190,234m2
  Forestry 2.2.0 Production native forests, 3.1.0 Plantation forests 9.96% 1,750,181,323m2
Show minor land uses 7
175,763,210m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 27 1
Hydrobiidae (Unident.) KG029999
17
Physidae (Unident.) KG089999
10
Oligochaeta LO 1 2
Oligochaeta (Unident.) LO999999
1
Acarina MM 7 6
Mites (Unident.) MM999999
7
Mites (Unident.)
Amphipoda OP 3 3
Ceinidae (Unident.) OP029999
3
Ceinidae (Unident.)
Ceinidae (Unident.)
Ceinidae (Unident.)
Coleoptera QC 2 5
Scirtidae (Unident.) QC209999
2
Scirtidae (Unident.)
Diptera QD 52 3
Tipulidae (Unident.) QD019999
4
Ceratopogonidae (Unident.) QD099999
10
Ceratopogonidae (Unident.)
Tanypodinae (Unident.) QDAE9999
14
Chironominae (Unident.) QDAJ9999
20
Chironomidae (Unident.)(Larva) QDAZ9999
4
Trichoptera QT 6 8
Hydroptilidae (Unident.) QT039999
1
Ecnomidae (Unident.) QT089999
1
Leptoceridae (Unident.) QT259999
4
ORDER
SIGNALT 4.0
Weighted SIGNALT 3.8
Taxa Abundance SIGNALT Grade
Bivalvia KP 4 3
Sphaeriidae (Unident.) KP039999
4
Acarina MM 30 6
Mites (Unident.) MM999999
30
Mites (Unident.)
Diptera QD 86 3
Dixidae (Unident.) QD069999
2
Dixidae (Unident.)
Ceratopogonidae (Unident.) QD099999
2
Ceratopogonidae (Unident.)
Tanypodinae (Unident.) QDAE9999
10
Chironominae (Unident.) QDAJ9999
72
Ephemeroptera QE 1 9
Baetidae (Unident.) QE029999
1
Trichoptera QT 15 8
Hydroptilidae (Unident.) QT039999
3
Leptoceridae (Unident.) QT259999
12
ORDER
SIGNALT 5.8
Weighted SIGNALT 5.4