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

Dasher River u/s Mersey confluence MERS19

Source Department of Primary Industries, Parks, Water and Environment
Latest Sample Date 15-10-1997
Taxa count ORDER 10
Taxa count FAMILY 21
Taxa count ALT 21
Mayflies present? 8
ORDER FAMILY ALT
SIGNAL 4.9 4.1 3.5
Weighted SIGNAL 4.4 5.3

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Forestry Plantation 3.1.1 Hardwood plantation forestry, 3.1.2 Softwood plantation forestry 21.73% 4,931,987,751m2
  Natural 1.1.1 Strict nature reserves, 1.1.5 Habitat/species management area, 1.1.6 Protected landscape, 1.1.7 Other conserved area, 1.2.0 Managed resource protection 21.54% 4,888,228,987m2
  Pastoral Farming 3.2.0 Grazing modified pastures, 4.2.0 Grazing irrigated modified pastures 20.97% 4,759,203,147m2
  Forestry 2.2.0 Production native forests, 3.1.0 Plantation forests 16.49% 3,741,999,427m2
  Minimal Use 1.3.0 Other minimal use, 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 10.45% 2,372,475,146m2
  Residential And Infrastructure 5.4.1 Urban residential, 5.4.3 Rural residential without agriculture, 5.4.5 Farm buildings/infrastructure, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.7.2 Roads, 5.7.3 Railways 7.26% 1,648,330,118m2
Show minor land uses 7
226,930,448m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 2 1
Hydrobiidae (Unident.) KG029999
1
Physidae (Unident.) KG089999
1
Oligochaeta LO 4 2
Oligochaeta (Unident.) LO999999
4
Acarina MM 2 6
Mites (Unident.) MM999999
2
Mites (Unident.)
Amphipoda OP 129 3
Paramelitidae (Unident.) OP069999
129
Paramelitidae (Unident.)
Paramelitidae (Unident.)
Paramelitidae (Unident.)
Paramelitidae (Unident.)
Paramelitidae (Unident.)
Paramelitidae (Unident.)
Coleoptera QC 23 5
Scirtidae (Unident.) QC209999
1
Scirtidae (Unident.)
Elmidae Adults QC34999A
22
Elmidae Adults
Diptera QD 155 3
Tipulidae (Unident.) QD019999
3
Ceratopogonidae (Unident.) QD099999
2
Ceratopogonidae (Unident.)
Simuliidae (Unident.) QD109999
24
Simuliidae (Unident.)
Simuliidae (Unident.)
Athericidae (Unident.) QD229999
2
Athericidae (Unident.)
Athericidae (Unident.)
Diamesinae (Unident.) QDAB9999
2
Tanypodinae (Unident.) QDAE9999
94
Orthocladiinae (Unident.) QDAF9999
21
Chironominae (Unident.) QDAJ9999
6
Chironomidae (Unident.)(Larva) QDAZ9999
1
Ephemeroptera QE 8 9
Leptophlebiidae (Unident.) QE069999
8
Hemiptera QH 1 2
Corixidae (Unident.) QH659999
1
Plecoptera QP 101 10
Gripopterygidae (Unident.) QP039999
101
Trichoptera QT 12 8
Philopotamidae (Unident.) QT049999
7
Leptoceridae (Unident.) QT259999
5
ORDER
SIGNALT 4.9
Weighted SIGNALT 5.5
Taxa Abundance SIGNALT Grade
Oligochaeta LO 1 2
Oligochaeta (Unident.) LO999999
1
Acarina MM 6 6
Mites (Unident.) MM999999
6
Mites (Unident.)
Amphipoda OP 165 3
Paramelitidae (Unident.) OP069999
165
Paramelitidae (Unident.)
Paramelitidae (Unident.)
Paramelitidae (Unident.)
Coleoptera QC 19 5
Elmidae Adults QC34999A
18
Elmidae Adults
Elmidae Larvae QC34999L
1
Elmidae Larvae
Diptera QD 110 3
Simuliidae (Unident.) QD109999
71
Simuliidae (Unident.)
Orthocladiinae (Unident.) QDAF9999
37
Chironominae (Unident.) QDAJ9999
1
Chironomidae (Unident.)(Larva) QDAZ9999
1
Ephemeroptera QE 3 9
Baetidae (Unident.) QE029999
2
Leptophlebiidae (Unident.) QE069999
1
Odonata QO 5 3
Aeshnidae (Unident.) QO129999
5
Plecoptera QP 18 10
Gripopterygidae (Unident.) QP039999
18
Trichoptera QT 21 8
Hydrobiosidae (Unident.) QT019999
6
Hydropsychidae (Unident.) QT069999
12
Conoesucidae (Unident.) QT159999
3
ORDER
SIGNALT 5.4
Weighted SIGNALT 5.6
Taxa Abundance SIGNALT Grade
Oligochaeta LO 2 2
Oligochaeta (Unident.) LO999999
2
Acarina MM 2 6
Mites (Unident.) MM999999
2
Mites (Unident.)
Amphipoda OP 39 3
Paramelitidae (Unident.) OP069999
39
Paramelitidae (Unident.)
Paramelitidae (Unident.)
Paramelitidae (Unident.)
Coleoptera QC 2 5
Elmidae Adults QC34999A
2
Elmidae Adults
Diptera QD 100 3
Simuliidae (Unident.) QD109999
51
Simuliidae (Unident.)
Diamesinae (Unident.) QDAB9999
18
Orthocladiinae (Unident.) QDAF9999
30
Chironominae (Unident.) QDAJ9999
1
Plecoptera QP 79 10
Gripopterygidae (Unident.) QP039999
79
Trichoptera QT 4 8
Hydropsychidae (Unident.) QT069999
3
Conoesucidae (Unident.) QT159999
1
ORDER
SIGNALT 5.3
Weighted SIGNALT 5.5