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

Merriwa Bridge site_264

Source Waterwatch New South Wales (Pre 2013)
Latest Sample Date 22-10-2003
Taxa count ORDER 8
Taxa count FAMILY 9
Taxa count ALT 10
Mayflies present? 3
ORDER FAMILY ALT
SIGNAL 4 3.8 1
Weighted SIGNAL 2.2 3 2.9

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Minimal Use 1.3.4 Rehabilitation, 2.1.0 Grazing native vegetation 55.25% 953,664,917m2
  Arable Farming 3.3.0 Cropping, 3.5.3 Seasonal vegetables and herbs 18.14% 313,139,974m2
  Residential And Infrastructure 5.4.0 Residential and farm infrastructure, 5.4.1 Urban residential, 5.4.5 Farm buildings/infrastructure, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.7.1 Airports/aerodromes, 5.7.2 Roads, 5.7.3 Railways 14.07% 242,914,649m2
  Pastoral Farming 3.2.0 Grazing modified pastures 11.89% 205,177,908m2
Show minor land uses 2
17,261,435m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Turbellaria IF 4 2
Turbellaria (Unident.) IF999999
 4
Unknown OT 12
Caridea (Unident.) OT999999
 12
Caridea (Unident.)
Caridea (Unident.)
Coleoptera QC 6 5
Gyrinidae (Unident.) QC109999
 6
Gyrinidae (Unident.)
Diptera QD 2 3
Culicidae (Unident.) QD079999
 2
Culicidae (Unident.)
Ephemeroptera QE 3 9
Ephemeroptera (Unident.) QE999999
 3
Hemiptera QH 16 2
Corixidae (Unident.) QH659999
 5
Notonectidae (Unident.) QH679999
 11
Odonata QO 19 3
Zygoptera (Unident.) QO999997
 17
Epiproctophora (Unident.) QO999998
 2
Trichoptera QT 1 8
Trichoptera (Unident.) QT999999
 1
ORDER
SIGNALT 4.0
Weighted SIGNALT 3.2
Taxa Abundance SIGNALT Grade
Unknown IB 2
HYDROZOA IB000000
 2
Hirudinea LH 63 1
Hirudinea (Unident.) LH999999
 63
Oligochaeta LO 23 2
Oligochaeta (Unident.) LO999999
 23
Unknown OT 20
Caridea (Unident.) OT999999
 20
Caridea (Unident.)
Caridea (Unident.)
Diptera QD 3 3
Culicidae (Unident.) QD079999
 2
Culicidae (Unident.)
Chironomidae QDA00000
 1
Hemiptera QH 6 2
Corixidae (Unident.) QH659999
 6
Odonata QO 1 3
Zygoptera (Unident.) QO999997
 1
Plecoptera QP 1 10
Plecoptera (Unident.) QP999999
 1
ORDER
SIGNALT 2.6
Weighted SIGNALT 1.8

   

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