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

Rolf Creek at Laglan Road 1302012

Source MIV
Latest Sample Date 02-06-2008
Taxa count ORDER 11
Taxa count FAMILY 24
Taxa count ALT 24
Mayflies present? 2
ORDER FAMILY ALT
SIGNAL 3.5 3.8 2.2
Weighted SIGNAL 3.7 3.2

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Forestry 2.2.0 Production native forests 100.00% 4,793,288,633m2
47,932,886m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Oligochaeta LO 6 2
Oligochaeta (Unident.) LO999999
6
Acarina MM 13 6
Mites (Unident.) MM999999
13
Mites (Unident.)
Mites (Unident.)
Unknown OG 4
Cladocera (Unident.) OG999999
4
Unknown OH 2
Ostracoda (Unident.) OH999999
2
Unknown OT 2
Atyidae (Unident.) OT019999
2
Atyidae (Unident.)
Atyidae (Unident.)
Coleoptera QC 43 5
Noteridae (Unident.) QC089999
6
Noteridae (Unident.)
Noteridae (Unident.)
Dytiscidae (Unident.) QC099999
20
Hydrophilidae (Unident.) QC119999
6
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydraenidae (Unident.) QC139999
6
Hydraenidae (Unident.)
Staphylinidae (Unident.) QC189999
1
Hydrochidae (Unident.) QCAO9999
4
Hydrochidae (Unident.)
Diptera QD 62 3
Culicidae (Unident.) QD079999
2
Culicidae (Unident.)
Ceratopogonidae (Unident.) QD099999
24
Ceratopogonidae (Unident.)
Ceratopogonidae (Unident.)
Tanypodinae (Unident.) QDAE9999
16
Chironominae (Unident.) QDAJ9999
20
Ephemeroptera QE 2 9
Baetidae (Unident.) QE029999
1
Caenidae (Unident.) QE089999
1
Hemiptera QH 28 2
Veliidae (Unident.) QH569999
9
Nepidae (Unident.) QH619999
3
Corixidae (Unident.) QH659999
7
Pleidae (Unident.) QH689999
9
Odonata QO 5 3
Libellulidae (Unident.) QO179999
2
Hemicorduliidae (Unident.) QO309999
3
Trichoptera QT 6 8
Ecnomidae (Unident.) QT089999
6
ORDER
SIGNALT 3.5
Weighted SIGNALT 3.7