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

Newtown Rivulet at Risdon Rd HOBA24

Source Department of Primary Industries, Parks, Water and Environment
Latest Sample Date 17-10-2005
Taxa count ORDER 3
Taxa count FAMILY 6
Taxa count ALT 6
Mayflies present? 0
ORDER FAMILY ALT
SIGNAL 2 2.2 1.2
Weighted SIGNAL 2.7 2.5

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Residential And Infrastructure 5.4.1 Urban residential, 5.4.3 Rural residential without agriculture, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.6.5 Electricity substations and transmission, 5.6.6 Gas treatment, storage and transmission, 5.7.2 Roads, 5.7.3 Railways 55.06% 1,149,643,722m2
  Natural 1.1.3 National park, 1.1.7 Other conserved area 25.48% 531,969,460m2
  Minimal Use 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 7.47% 155,917,775m2
  Industrial 5.3.0 Manufacturing and industrial, 5.5.1 Commercial services 3.88% 80,957,306m2
  Forestry 2.2.0 Production native forests 3.24% 67,714,290m2
Show minor land uses 4
20,878,989m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 64 1
Hydrobiidae (Unident.) KG029999
62
Planorbidae (Unident.) KG079999
2
Oligochaeta LO 41 2
Oligochaeta (Unident.) LO999999
41
Diptera QD 83 3
Diamesinae (Unident.) QDAB9999
26
Orthocladiinae (Unident.) QDAF9999
53
Chironomidae (Unident.)(Larva) QDAZ9999
4
ORDER
SIGNALT 2.0
Weighted SIGNALT 2.0