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

Bremer River - Evbre01 EVBRE01

Source Department of Water and Environment Regulation
Latest Sample Date 03-11-2008
Taxa count ORDER 8
Taxa count FAMILY 10
Taxa count ALT 11
Mayflies present? 0
ORDER FAMILY ALT
SIGNAL 2.8 2.8 2.5
Weighted SIGNAL 3.8 8 4.3

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Arable Farming 3.3.0 Cropping 74.52% 45,017,091,004m2
  Minimal Use 1.3.3 Residual native cover 16.24% 9,809,433,259m2
  Pastoral Farming 3.2.0 Grazing modified pastures 8.05% 4,863,340,856m2
Show minor land uses 5
604,071,285m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Unknown ?? 3
Unknown ???
3
Gastropoda KG 42 1
Pomatiopsidae (Unident.) KG139999
42
Oligochaeta LO 6 2
Oligochaeta (Unident.) LO999999
6
Unknown OT 1
Palaemonidae (Unident.) OT029999
1
Palaemonidae (Unident.)
Coleoptera QC 1 5
Dytiscidae (Unident.) QC099999
1
Diptera QD 120 3
Ceratopogonidae (Unident.) QD099999
6
Ceratopogonidae (Unident.)
Tanypodinae (Unident.) QDAE9999
105
Chironominae (Unident.) QDAJ9999
9
Odonata QO 1 3
Zygoptera (Unident.) QO999997
1
Trichoptera QT 15 8
Oecetis sp.(Unident.) QT250799
14
Leptoceridae (Unident.) QT259999
1
ORDER
SIGNALT 2.8
Weighted SIGNALT 3.0