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

Maragle Back CK @ Maragle Rd 63497

Source Office of Environment and Heritage
Latest Sample Date 23-11-2005
Taxa count ORDER 14
Taxa count FAMILY 37
Taxa count ALT 37
Mayflies present? 91
ORDER FAMILY ALT
SIGNAL 3.6 4.2 3.4
Weighted SIGNAL 4.9 4.7

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Forestry 2.2.0 Production native forests 26.62% 2,124,912,417m2
  Pastoral Farming 3.2.0 Grazing modified pastures 22.87% 1,825,569,100m2
  Minimal Use 2.1.0 Grazing native vegetation 11.51% 918,536,343m2
  Natural 1.1.1 Strict nature reserves, 1.1.3 National park, 1.2.0 Managed resource protection 4.67% 373,116,315m2
Show minor land uses 4
79,822,384m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Turbellaria IF 1 2
Dugesiidae (Unident.) IF619999
1
Gastropoda KG 10 1
Lymnaeidae (Unident.) KG059999
2
Ancylidae (Unident.) KG069999
1
Physidae (Unident.) KG089999
7
Oligochaeta LO 10 2
Oligochaeta (Unident.) LO999999
10
Acarina MM 7 6
Mites (Unident.) MM999999
7
Mites (Unident.)
Mites (Unident.)
Unknown OH 2
Ostracoda (Unident.) OH999999
2
Unknown OT 10
Atyidae (Unident.) OT019999
10
Atyidae (Unident.)
Atyidae (Unident.)
Unknown OV 4
Parastacidae (Unident.) OV019999
4
Parastacidae (Unident.)
Parastacidae (Unident.)
Parastacidae (Unident.)
Parastacidae (Unident.)
Coleoptera QC 54 5
Dytiscidae (Unident.) QC099999
25
Hydrophilidae (Unident.) QC119999
24
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydraenidae (Unident.) QC139999
1
Hydraenidae (Unident.)
Scirtidae (Unident.) QC209999
1
Scirtidae (Unident.)
Elmidae (Unident.) QC349999
3
Elmidae (Unident.)
Diptera QD 191 3
Tipulidae (Unident.) QD019999
6
Ceratopogonidae (Unident.) QD099999
8
Ceratopogonidae (Unident.)
Ceratopogonidae (Unident.)
Simuliidae (Unident.) QD109999
41
Simuliidae (Unident.)
Simuliidae (Unident.)
Tanypodinae (Unident.) QDAE9999
4
Orthocladiinae (Unident.) QDAF9999
115
Chironominae (Unident.) QDAJ9999
17
Ephemeroptera QE 91 9
Baetidae (Unident.) QE029999
50
Leptophlebiidae (Unident.) QE069999
12
Caenidae (Unident.) QE089999
29
Hemiptera QH 27 2
Veliidae (Unident.) QH569999
5
Saldidae (Unident.) QH609999
1
Corixidae (Unident.) QH659999
10
Notonectidae (Unident.) QH679999
11
Odonata QO 7 3
Coenagrionidae (Unident.) QO029999
1
Synlestidae (Unident.) QO089999
1
Aeshnidae (Unident.) QO129999
1
Gomphidae (Unident.) QO139999
4
Plecoptera QP 24 10
Gripopterygidae (Unident.) QP039999
23
Notonemouridae (Unident.) QP049999
1
Trichoptera QT 107 8
Hydrobiosidae (Unident.) QT019999
23
Hydroptilidae (Unident.) QT039999
17
Hydropsychidae (Unident.) QT069999
61
Leptoceridae (Unident.) QT259999
6
ORDER
SIGNALT 3.6
Weighted SIGNALT 4.6