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

Harvey Catchment - Drakesbrook Drain HR01012

Source Department of Water and Environment Regulation
Latest Sample Date 05-10-2009
Taxa count ORDER 5
Taxa count FAMILY 7
Taxa count ALT 7
Mayflies present? 11
ORDER FAMILY ALT
SIGNAL 5.4 4.7 3.4
Weighted SIGNAL 3 4.1

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Forestry 2.2.0 Production native forests, 3.1.0 Plantation forests 53.19% 12,831,716,277m2
  Pastoral Farming 3.2.0 Grazing modified pastures, 4.2.0 Grazing irrigated modified pastures, 4.2.4 Irrigated sown grasses 20.59% 4,968,502,936m2
  Arable Farming 3.3.0 Cropping, 4.4.0 Irrigated perennial horticulture, 4.4.1 Irrigated tree fruits, 4.4.9 Irrigated grapes, 4.5.0 Irrigated seasonal horticulture, 4.5.2 Irrigated seasonal flowers and bulbs, 4.5.3 Irrigated seasonal vegetables and herbs 9.41% 2,269,272,975m2
  Natural 1.1.1 Strict nature reserves, 1.1.3 National park, 1.1.6 Protected landscape, 1.1.7 Other conserved area 7.09% 1,711,578,769m2
  Minimal Use 1.3.0 Other minimal use, 1.3.3 Residual native cover, 1.3.4 Rehabilitation, 2.1.0 Grazing native vegetation 5.83% 1,406,609,279m2
Show minor land uses 8
241,253,364m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Oligochaeta LO 14 2
Oligochaeta (Unident.) LO999999
14
Diptera QD 182 3
Simuliidae (Unident.) QD109999
126
Simuliidae (Unident.)
Orthocladiinae (Unident.) QDAF9999
34
Chironominae (Unident.) QDAJ9999
22
Ephemeroptera QE 11 9
Tasmanocoenis sp.(Unident.) QE080199
11
Odonata QO 1 3
Hemicorduliidae (Unident.) QO309999
1
Plecoptera QP 1 10
Newmanoperla sp.(Unident.) QP031099
1
ORDER
SIGNALT 5.4
Weighted SIGNALT 4.8