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

STONY CREEK AT BLACKDOWN 1301024

Source MIV
Latest Sample Date 20-06-1997
Taxa count ORDER 12
Taxa count FAMILY 23
Taxa count ALT 23
Mayflies present? 17
ORDER FAMILY ALT
SIGNAL 3.3 3.6 2.6
Weighted SIGNAL 4.2 4

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Natural 1.1.3 National park 81.01% 5,486,029,097m2
  Minimal Use 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 18.99% 1,285,901,408m2
67,719,305m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 10 1
Physidae (Unident.) KG089999
10
Hirudinea LH 1 1
Glossiphoniidae (Unident.) LH019999
1
Oligochaeta LO 1 2
Oligochaeta (Unident.) LO999999
1
Acarina MM 1 6
Mites (Unident.) MM999999
1
Mites (Unident.)
Unknown OG 10
Cladocera (Unident.) OG999999
10
Unknown OH 2
Ostracoda (Unident.) OH999999
2
Coleoptera QC 44 5
Dytiscidae (Unident.) QC099999
10
Gyrinidae (Unident.) QC109999
30
Gyrinidae (Unident.)
Hydrophilidae (Unident.) QC119999
3
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydraenidae (Unident.) QC139999
1
Hydraenidae (Unident.)
Diptera QD 29 3
Ceratopogonidae (Unident.) QD099999
10
Ceratopogonidae (Unident.)
Tanypodinae (Unident.) QDAE9999
9
Chironominae (Unident.) QDAJ9999
10
Ephemeroptera QE 17 9
Baetidae (Unident.) QE029999
7
Leptophlebiidae (Unident.) QE069999
10
Hemiptera QH 19 2
Corixidae (Unident.) QH659999
4
Notonectidae (Unident.) QH679999
10
Pleidae (Unident.) QH689999
5
Odonata QO 17 3
Coenagrionidae (Unident.) QO029999
4
Aeshnidae (Unident.) QO129999
1
Corduliidae (Unident.) QO169999
10
Libellulidae (Unident.) QO179999
2
Trichoptera QT 10 8
Leptoceridae (Unident.) QT259999
10
ORDER
SIGNALT 3.3
Weighted SIGNALT 3.8