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

Grahamstown Dam site_156

Source Waterwatch New South Wales (Pre 2013)
Latest Sample Date 23-03-2010
Taxa count ORDER 9
Taxa count FAMILY 11
Taxa count ALT 12
Mayflies present? 0
ORDER FAMILY ALT
SIGNAL 3 2.8 1.6
Weighted SIGNAL 2.4 3 2.6

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Water 6.1.0 Lake, 6.2.0 Reservoir/dam, 6.4.1 Supply channel/aqueduct 26.50% 1,848,083,651m2
  Natural 1.1.3 National park, 1.2.2 Surface water supply 23.95% 1,670,075,594m2
  Minimal Use 1.3.0 Other minimal use, 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 20.50% 1,429,564,708m2
  Forestry 2.2.0 Production native forests 14.73% 1,027,046,488m2
  Residential And Infrastructure 5.4.0 Residential and farm infrastructure, 5.4.1 Urban residential, 5.4.5 Farm buildings/infrastructure, 5.5.0 Services, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.7.0 Transport and communication, 5.7.2 Roads 6.60% 460,020,822m2
Show minor land uses 6
69,738,157m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Nematoda II 1 3
Nematoda (Unident.) II999999
1
Hirudinea LH 2 1
Hirudinea (Unident.) LH999999
2
Oligochaeta LO 2 2
Oligochaeta (Unident.) LO999999
2
Unknown OT 452
Caridea (Unident.) OT999999
452
Caridea (Unident.)
Caridea (Unident.)
Coleoptera QC 6 5
Gyrinidae (Unident.) QC109999
6
Gyrinidae (Unident.)
Diptera QD 4 3
Culicidae (Unident.) QD079999
4
Culicidae (Unident.)
Hemiptera QH 44 2
Mesoveliidae (Unident.) QH529999
3
Gerridae (Unident.) QH579999
4
Corixidae (Unident.) QH659999
37
Odonata QO 22 3
Zygoptera (Unident.) QO999997
15
Epiproctophora (Unident.) QO999998
7
Trichoptera QT 42 8
Trichoptera (Unident.) QT999999
42
ORDER
SIGNALT 3.0
Weighted SIGNALT 3.3