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

Harcus River at Redbank Road WELC27

Source Department of Primary Industries, Parks, Water and Environment
Latest Sample Date 09-10-2002
Taxa count ORDER 10
Taxa count FAMILY 12
Taxa count ALT 12
Mayflies present? 0
ORDER FAMILY ALT
SIGNAL 4.6 4.3 3.5
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 51.87% 1,041,474,062m2
  Forestry Plantation 3.1.1 Hardwood plantation forestry 19.68% 395,205,557m2
  Minimal Use 1.3.3 Residual native cover 12.62% 253,311,273m2
  Natural 1.1.7 Other conserved area 8.12% 163,128,463m2
  Pastoral Farming 3.2.0 Grazing modified pastures 7.23% 145,141,864m2
Show minor land uses 2
20,077,541m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 1 1
Ancylidae (Unident.) KG069999
1
Oligochaeta LO 12 2
Oligochaeta (Unident.) LO999999
12
Acarina MM 2 6
Mites (Unident.) MM999999
2
Mites (Unident.)
Anaspidacea ON 15 6
Koonungidae (Unident.) ON029999
15
Amphipoda OP 21 3
Paramelitidae (Unident.) OP069999
21
Paramelitidae (Unident.)
Paramelitidae (Unident.)
Paramelitidae (Unident.)
Isopoda OR 28 2
Phreatoicidae (Unident.) OR059999
28
Phreatoicidae (Unident.)
Phreatoicidae (Unident.)
Coleoptera QC 14 5
Scirtidae (Unident.) QC209999
14
Scirtidae (Unident.)
Diptera QD 36 3
Tipulidae (Unident.) QD019999
1
Orthocladiinae (Unident.) QDAF9999
3
Chironominae (Unident.) QDAJ9999
32
Plecoptera QP 1 10
Gripopterygidae (Unident.) QP039999
1
Trichoptera QT 1 8
Leptoceridae (Unident.) QT259999
1
ORDER
SIGNALT 4.6
Weighted SIGNALT 3.8