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

Welcome River at S G Station (downstr.) WELC01

Source Department of Primary Industries, Parks, Water and Environment
Latest Sample Date 10-10-2002
Taxa count ORDER 11
Taxa count FAMILY 16
Taxa count ALT 16
Mayflies present? 0
ORDER FAMILY ALT
SIGNAL 3.5 3.2 2.8
Weighted SIGNAL 2.7 4.1

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Pastoral Farming 3.2.0 Grazing modified pastures, 4.2.0 Grazing irrigated modified pastures 33.45% 8,878,560,473m2
  Forestry 2.2.0 Production native forests, 3.1.0 Plantation forests 30.46% 8,085,506,047m2
  Natural 1.1.1 Strict nature reserves, 1.1.3 National park, 1.1.5 Habitat/species management area, 1.1.7 Other conserved area 14.24% 3,780,067,804m2
  Minimal Use 1.2.5 Traditional indigenous uses, 1.3.0 Other minimal use, 1.3.3 Residual native cover 12.58% 3,339,926,346m2
  Forestry Plantation 3.1.1 Hardwood plantation forestry 8.34% 2,214,203,959m2
Show minor land uses 3
265,442,040m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 37 1
Hydrobiidae (Unident.) KG029999
35
Physidae (Unident.) KG089999
2
Bivalvia KP 28 3
Sphaeriidae (Unident.) KP039999
28
Oligochaeta LO 1 2
Oligochaeta (Unident.) LO999999
1
Acarina MM 22 6
Mites (Unident.) MM999999
22
Mites (Unident.)
Amphipoda OP 21 3
Paramelitidae (Unident.) OP069999
21
Paramelitidae (Unident.)
Paramelitidae (Unident.)
Paramelitidae (Unident.)
Unknown OT 34
Atyidae (Unident.) OT019999
34
Atyidae (Unident.)
Atyidae (Unident.)
Unknown OX 8
Hymenostomatidae (Unident.) OX019999
8
Hymenostomatidae (Unident.)
Diptera QD 44 3
Ceratopogonidae (Unident.) QD099999
4
Ceratopogonidae (Unident.)
Tanypodinae (Unident.) QDAE9999
28
Orthocladiinae (Unident.) QDAF9999
5
Chironominae (Unident.) QDAJ9999
6
Chironomidae (Unident.)(Larva) QDAZ9999
1
Hemiptera QH 2 2
Notonectidae (Unident.) QH679999
2
Plecoptera QP 1 10
Gripopterygidae (Unident.) QP039999
1
Trichoptera QT 22 8
Leptoceridae (Unident.) QT259999
22
ORDER
SIGNALT 3.5
Weighted SIGNALT 3.3