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

Replicate of LACH107 LACH97

Source Office of Environment and Heritage
Latest Sample Date 26-11-1998
Taxa count ORDER 13
Taxa count FAMILY 34
Taxa count ALT 34
Mayflies present? 133
ORDER FAMILY ALT
SIGNAL 4 4.4 3.6
Weighted SIGNAL 5.1 4.7

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Minimal Use 1.3.0 Other minimal use, 2.1.0 Grazing native vegetation 37.98% 7,245,090,039m2
  Pastoral Farming 3.2.0 Grazing modified pastures 36.70% 7,000,879,138m2
  Natural 1.1.1 Strict nature reserves 6.87% 1,310,790,139m2
  Forestry Plantation 3.1.2 Softwood plantation forestry 6.73% 1,284,294,381m2
  Arable Farming 3.3.0 Cropping, 4.5.4 Irrigated turf farming 6.24% 1,190,559,388m2
  Forestry 2.2.0 Production native forests 3.48% 664,643,589m2
Show minor land uses 2
190,781,955m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 4 1
Physidae (Unident.) KG089999
4
Oligochaeta LO 16 2
Oligochaeta (Unident.) LO999999
16
Acarina MM 28 6
Mites (Unident.) MM999999
28
Mites (Unident.)
Mites (Unident.)
Amphipoda OP 15 3
Ceinidae (Unident.) OP029999
15
Ceinidae (Unident.)
Ceinidae (Unident.)
Ceinidae (Unident.)
Unknown OT 4
Atyidae (Unident.) OT019999
4
Atyidae (Unident.)
Atyidae (Unident.)
Unknown OV 2
Parastacidae (Unident.) OV019999
2
Parastacidae (Unident.)
Parastacidae (Unident.)
Coleoptera QC 18 5
Dytiscidae (Unident.) QC099999
5
Hydrophilidae (Unident.) QC119999
6
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydraenidae (Unident.) QC139999
1
Hydraenidae (Unident.)
Scirtidae (Unident.) QC209999
2
Scirtidae (Unident.)
Elmidae (Unident.) QC349999
4
Elmidae (Unident.)
Elmidae (Unident.)
Diptera QD 142 3
Tipulidae (Unident.) QD019999
3
Culicidae (Unident.) QD079999
4
Culicidae (Unident.)
Ceratopogonidae (Unident.) QD099999
2
Ceratopogonidae (Unident.)
Simuliidae (Unident.) QD109999
7
Simuliidae (Unident.)
Psychodidae (Unident.) QD129999
1
Psychodidae (Unident.)
Tanypodinae (Unident.) QDAE9999
10
Orthocladiinae (Unident.) QDAF9999
104
Chironominae (Unident.) QDAJ9999
11
Ephemeroptera QE 133 9
Baetidae (Unident.) QE029999
26
Leptophlebiidae (Unident.) QE069999
106
Caenidae (Unident.) QE089999
1
Hemiptera QH 19 2
Veliidae (Unident.) QH569999
2
Corixidae (Unident.) QH659999
13
Notonectidae (Unident.) QH679999
4
Odonata QO 13 3
Coenagrionidae (Unident.) QO029999
1
Synlestidae (Unident.) QO089999
10
Gomphidae (Unident.) QO139999
1
Corduliidae (Unident.) QO169999
1
Plecoptera QP 6 10
Gripopterygidae (Unident.) QP039999
6
Trichoptera QT 20 8
Hydrobiosidae (Unident.) QT019999
7
Hydroptilidae (Unident.) QT039999
4
Hydropsychidae (Unident.) QT069999
1
Leptoceridae (Unident.) QT259999
8
ORDER
SIGNALT 4.0
Weighted SIGNALT 4.6