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

ST JOHN CREEK AT AMTD 7.1 KM 1361060

Source MIV
Latest Sample Date 16-05-1997
Taxa count ORDER 11
Taxa count FAMILY 28
Taxa count ALT 28
Mayflies present? 24
ORDER FAMILY ALT
SIGNAL 3.4 3 2.1
Weighted SIGNAL 3 3

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Minimal Use 2.1.0 Grazing native vegetation 94.59% 66,203,457,856m2
  Forestry 2.2.0 Production native forests 4.66% 3,259,321,773m2
Show minor land uses 3
699,925,413m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 30 1
Thiaridae (Unident.) KG049999
7
Lymnaeidae (Unident.) KG059999
10
Planorbidae (Unident.) KG079999
13
Acarina MM 20 6
Mites (Unident.) MM999999
20
Mites (Unident.)
Mites (Unident.)
Unknown OH 12
Ostracoda (Unident.) OH999999
12
Unknown OJ 10
Copepoda (Unident.) OJ999999
10
Unknown OT 44
Atyidae (Unident.) OT019999
40
Atyidae (Unident.)
Atyidae (Unident.)
Atyidae (Unident.)
Atyidae (Unident.)
Palaemonidae (Unident.) OT029999
4
Palaemonidae (Unident.)
Coleoptera QC 27 5
Dytiscidae (Unident.) QC099999
9
Hydrophilidae (Unident.) QC119999
18
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Diptera QD 38 3
Culicidae (Unident.) QD079999
2
Culicidae (Unident.)
Ceratopogonidae (Unident.) QD099999
4
Ceratopogonidae (Unident.)
Tanypodinae (Unident.) QDAE9999
20
Chironominae (Unident.) QDAJ9999
12
Ephemeroptera QE 24 9
Baetidae (Unident.) QE029999
20
Caenidae (Unident.) QE089999
4
Hemiptera QH 18 2
Mesoveliidae (Unident.) QH529999
4
Hebridae (Unident.) QH539999
1
Veliidae (Unident.) QH569999
7
Gerridae (Unident.) QH579999
1
Nepidae (Unident.) QH619999
1
Notonectidae (Unident.) QH679999
1
Pleidae (Unident.) QH689999
3
Odonata QO 27 3
Coenagrionidae (Unident.) QO029999
20
Aeshnidae (Unident.) QO129999
2
Corduliidae (Unident.) QO169999
2
Libellulidae (Unident.) QO179999
3
Trichoptera QT 9 8
Leptoceridae (Unident.) QT259999
9
ORDER
SIGNALT 3.4
Weighted SIGNALT 3.4