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

Greenbah Ck @ Elwyn 64583

Source Office of Environment and Heritage
Latest Sample Date 25-03-2006
Taxa count ORDER 16
Taxa count FAMILY 27
Taxa count ALT 27
Mayflies present? 41
ORDER FAMILY ALT
SIGNAL 2.7 3.2 2.2
Weighted SIGNAL 3.5 3.3

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 47.12% 6,101,067,496m2
  Pastoral Farming 3.2.0 Grazing modified pastures, 3.2.5 Sown grasses 36.71% 4,752,634,102m2
  Arable Farming 3.3.0 Cropping 13.72% 1,776,082,984m2
Show minor land uses 2
129,477,099m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 4 1
Ancylidae (Unident.) KG069999
 3
Physidae (Unident.) KG089999
 1
Bivalvia KP 5 3
Sphaeriidae (Unident.) KP039999
 5
Hirudinea LH 1 1
Glossiphoniidae (Unident.) LH019999
 1
Oligochaeta LO 7 2
Oligochaeta (Unident.) LO999999
 7
Acarina MM 12 6
Mites (Unident.) MM999999
 12
Mites (Unident.)
Mites (Unident.)
Unknown OG 13
Cladocera (Unident.) OG999999
 13
Unknown OH 43
Ostracoda (Unident.) OH999999
 43
Unknown OJ 3
Copepoda (Unident.) OJ999999
 3
Unknown OT 32
Atyidae (Unident.) OT019999
 32
Atyidae (Unident.)
Atyidae (Unident.)
Atyidae (Unident.)
Atyidae (Unident.)
Unknown OV 14
Parastacidae (Unident.) OV019999
 14
Parastacidae (Unident.)
Parastacidae (Unident.)
Parastacidae (Unident.)
Parastacidae (Unident.)
Coleoptera QC 26 5
Dytiscidae (Unident.) QC099999
 23
Hydraenidae (Unident.) QC139999
 3
Hydraenidae (Unident.)
Hydraenidae (Unident.)
Diptera QD 50 3
Culicidae (Unident.) QD079999
 4
Culicidae (Unident.)
Ceratopogonidae (Unident.) QD099999
 10
Ceratopogonidae (Unident.)
Ceratopogonidae (Unident.)
Tabanidae (Unident.) QD239999
 1
Tanypodinae (Unident.) QDAE9999
 24
Chironominae (Unident.) QDAJ9999
 11
Ephemeroptera QE 41 9
Baetidae (Unident.) QE029999
 39
Caenidae (Unident.) QE089999
 2
Hemiptera QH 26 2
Corixidae (Unident.) QH659999
 11
Notonectidae (Unident.) QH679999
 15
Odonata QO 21 3
Coenagrionidae (Unident.) QO029999
 7
Lestidae (Unident.) QO059999
 1
Libellulidae (Unident.) QO179999
 13
Trichoptera QT 6 8
Ecnomidae (Unident.) QT089999
 4
Leptoceridae (Unident.) QT259999
 2
ORDER
SIGNALT 2.7
Weighted SIGNALT 2.9

   

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