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

Bryants Ck @ Lauffs Rd 51238

Source Office of Environment and Heritage
Latest Sample Date 22-10-2010
Taxa count ORDER 8
Taxa count FAMILY 14
Taxa count ALT 14
Mayflies present? 0
ORDER FAMILY ALT
SIGNAL 2.6 2.9 2.1
Weighted SIGNAL 3.2 3

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Forestry 2.2.0 Production native forests 60.46% 320,161,886m2
  Minimal Use 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 19.46% 103,043,489m2
  Pastoral Farming 3.2.0 Grazing modified pastures 10.70% 56,661,383m2
  Residential And Infrastructure 5.4.0 Residential and farm infrastructure 5.82% 30,837,832m2
Show minor land uses 3
5,295,081m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Turbellaria IF 6 2
Dugesiidae (Unident.) IF619999
6
Gastropoda KG 22 1
Planorbidae (Unident.) KG079999
22
Bivalvia KP 14 3
Sphaeriidae (Unident.) KP039999
14
Oligochaeta LO 1 2
Oligochaeta (Unident.) LO999999
1
Coleoptera QC 21 5
Dytiscidae (Unident.) QC099999
17
Hydrophilidae (Unident.) QC119999
3
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Scirtidae (Unident.) QC209999
1
Scirtidae (Unident.)
Diptera QD 10 3
Tanypodinae (Unident.) QDAE9999
2
Chironominae (Unident.) QDAJ9999
8
Hemiptera QH 5 2
Veliidae (Unident.) QH569999
2
Belostomatidae (Unident.) QH629999
1
Corixidae (Unident.) QH659999
2
Odonata QO 12 3
Corduliidae (Unident.) QO169999
3
Libellulidae (Unident.) QO179999
9
ORDER
SIGNALT 2.6
Weighted SIGNALT 2.8