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

Mammy Johnson's R @ Johnson's Ck Rd 52069

Source Office of Environment and Heritage
Latest Sample Date 20-09-2010
Taxa count ORDER 15
Taxa count FAMILY 33
Taxa count ALT 33
Mayflies present? 27
ORDER FAMILY ALT
SIGNAL 4.3 4.9 4
Weighted SIGNAL 5.7 5.5

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Minimal Use 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 60.65% 19,355,866,113m2
  Pastoral Farming 3.2.0 Grazing modified pastures, 3.2.1 Native/exotic pasture mosaic, 3.2.5 Sown grasses, 4.2.0 Grazing irrigated modified pastures 13.39% 4,273,834,032m2
  Natural 1.1.1 Strict nature reserves 7.20% 2,298,776,262m2
  Forestry 2.2.0 Production native forests 6.88% 2,194,286,432m2
Show minor land uses 6
319,156,437m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Turbellaria IF 1 2
Dugesiidae (Unident.) IF619999
1
Gastropoda KG 2 1
Hydrobiidae (Unident.) KG029999
1
Physidae (Unident.) KG089999
1
Bivalvia KP 2 3
Sphaeriidae (Unident.) KP039999
2
Oligochaeta LO 3 2
Oligochaeta (Unident.) LO999999
3
Acarina MM 3 6
Mites (Unident.) MM999999
3
Mites (Unident.)
Isopoda OR 6 2
Sphaeromatidae (Unident.) OR139999
6
Unknown OT 22
Atyidae (Unident.) OT019999
22
Atyidae (Unident.)
Atyidae (Unident.)
Atyidae (Unident.)
Atyidae (Unident.)
Coleoptera QC 28 5
Dytiscidae (Unident.) QC099999
3
Staphylinidae (Unident.) QC189999
1
Scirtidae (Unident.) QC209999
3
Scirtidae (Unident.)
Elmidae (Unident.) QC349999
21
Elmidae (Unident.)
Elmidae (Unident.)
Diptera QD 77 3
Ceratopogonidae (Unident.) QD099999
8
Ceratopogonidae (Unident.)
Ceratopogonidae (Unident.)
Simuliidae (Unident.) QD109999
13
Simuliidae (Unident.)
Tanypodinae (Unident.) QDAE9999
4
Orthocladiinae (Unident.) QDAF9999
28
Chironominae (Unident.) QDAJ9999
24
Ephemeroptera QE 27 9
Baetidae (Unident.) QE029999
1
Leptophlebiidae (Unident.) QE069999
24
Caenidae (Unident.) QE089999
2
Hemiptera QH 4 2
Hydrometridae (Unident.) QH549999
2
Corixidae (Unident.) QH659999
2
Megaloptera QM 12 8
Corydalidae (Unident.) QM019999
12
Corydalidae (Unident.)
Odonata QO 4 3
Isostictidae (Unident.) QO039999
2
Synlestidae (Unident.) QO089999
2
Plecoptera QP 21 10
Gripopterygidae (Unident.) QP039999
21
Trichoptera QT 42 8
Hydrobiosidae (Unident.) QT019999
4
Philopotamidae (Unident.) QT049999
3
Hydropsychidae (Unident.) QT069999
16
Ecnomidae (Unident.) QT089999
3
Atriplectididae (Unident.) QT239999
2
Calamoceratidae (Unident.) QT249999
3
Leptoceridae (Unident.) QT259999
11
ORDER
SIGNALT 4.3
Weighted SIGNALT 5.1