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

Couatwong Creek 53517

Source Office of Environment and Heritage
Latest Sample Date 06-12-2008
Taxa count ORDER 13
Taxa count FAMILY 33
Taxa count ALT 33
Mayflies present? 27
ORDER FAMILY ALT
SIGNAL 4.1 3.9 3.1
Weighted SIGNAL 4.4 4.2

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Minimal Use 2.1.0 Grazing native vegetation 52.28% 1,263,993,500m2
  Pastoral Farming 3.2.0 Grazing modified pastures 29.28% 707,966,308m2
  Arable Farming 3.3.0 Cropping, 3.4.0 Perennial horticulture 7.15% 172,930,704m2
  Forestry Plantation 3.1.2 Softwood plantation forestry 4.20% 101,459,344m2
  Water 6.3.0 River, 6.5.0 Marsh/wetland 3.61% 87,215,052m2
  Forestry 2.2.0 Production native forests 3.43% 82,966,754m2
Show minor land uses 1
24,177,812m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 10 1
Lymnaeidae (Unident.) KG059999
1
Physidae (Unident.) KG089999
9
Hirudinea LH 2 1
Richardsonianidae (Unident.) LH039999
2
Acarina MM 1 6
Mites (Unident.) MM999999
1
Mites (Unident.)
Unknown OH 4
Ostracoda (Unident.) OH999999
4
Amphipoda OP 3 3
Talitridae sp.(Unident.) OP019999
3
Talitridae sp.(Unident.)
Talitridae sp.(Unident.)
Talitridae sp.(Unident.)
Isopoda OR 2 2
Phreatoicidae (Unident.) OR059999
2
Phreatoicidae (Unident.)
Phreatoicidae (Unident.)
Coleoptera QC 18 5
Dytiscidae (Unident.) QC099999
5
Gyrinidae (Unident.) QC109999
6
Gyrinidae (Unident.)
Hydrophilidae (Unident.) QC119999
3
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Psephenidae (Unident.) QC379999
4
Psephenidae (Unident.)
Psephenidae (Unident.)
Diptera QD 13 3
Dixidae (Unident.) QD069999
2
Dixidae (Unident.)
Ceratopogonidae (Unident.) QD099999
4
Ceratopogonidae (Unident.)
Tanypodinae (Unident.) QDAE9999
4
Orthocladiinae (Unident.) QDAF9999
1
Chironominae (Unident.) QDAJ9999
2
Ephemeroptera QE 27 9
Baetidae (Unident.) QE029999
2
Leptophlebiidae (Unident.) QE069999
25
Hemiptera QH 25 2
Veliidae (Unident.) QH569999
2
Gelastocoridae (Unident.) QH649999
1
Corixidae (Unident.) QH659999
6
Naucoridae (Unident.) QH669999
1
Notonectidae (Unident.) QH679999
15
Odonata QO 42 3
Coenagrionidae (Unident.) QO029999
11
Lestidae (Unident.) QO059999
8
Megapodagrionidae (Unident.) QO079999
10
Synlestidae (Unident.) QO089999
3
Aeshnidae (Unident.) QO129999
4
Corduliidae (Unident.) QO169999
6
Plecoptera QP 4 10
Notonemouridae (Unident.) QP049999
4
Trichoptera QT 8 8
Hydroptilidae (Unident.) QT039999
2
Atriplectididae (Unident.) QT239999
1
Leptoceridae (Unident.) QT259999
5
ORDER
SIGNALT 4.1
Weighted SIGNALT 4.3