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

Chad's Creek @ Milkwood 52003

Source Office of Environment and Heritage
Latest Sample Date 13-10-2010
Taxa count ORDER 10
Taxa count FAMILY 24
Taxa count ALT 24
Mayflies present? 30
ORDER FAMILY ALT
SIGNAL 4 4.3 2.8
Weighted SIGNAL 4.8 3.8

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 69.28% 1,565,092,156m2
  Pastoral Farming 3.2.0 Grazing modified pastures 30.65% 692,401,371m2
Show minor land uses 1
22,589,939m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 21 1
Lymnaeidae (Unident.) KG059999
1
Physidae (Unident.) KG089999
20
Bivalvia KP 3 3
Sphaeriidae (Unident.) KP039999
3
Acarina MM 5 6
Mites (Unident.) MM999999
5
Mites (Unident.)
Unknown OT 14
Atyidae (Unident.) OT019999
14
Atyidae (Unident.)
Atyidae (Unident.)
Coleoptera QC 21 5
Dytiscidae (Unident.) QC099999
5
Hydrophilidae (Unident.) QC119999
15
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Scirtidae (Unident.) QC209999
1
Scirtidae (Unident.)
Diptera QD 4 3
Stratiomyidae (Unident.) QD249999
2
Tanypodinae (Unident.) QDAE9999
1
Chironominae (Unident.) QDAJ9999
1
Ephemeroptera QE 30 9
Baetidae (Unident.) QE029999
3
Leptophlebiidae (Unident.) QE069999
20
Caenidae (Unident.) QE089999
7
Hemiptera QH 18 2
Veliidae (Unident.) QH569999
1
Corixidae (Unident.) QH659999
3
Notonectidae (Unident.) QH679999
14
Odonata QO 12 3
Coenagrionidae (Unident.) QO029999
5
Isostictidae (Unident.) QO039999
1
Protoneuridae (Unident.) QO049999
5
Gomphidae (Unident.) QO139999
1
Trichoptera QT 15 8
Hydropsychidae (Unident.) QT069999
1
Ecnomidae (Unident.) QT089999
2
Leptoceridae (Unident.) QT259999
12
ORDER
SIGNALT 4.0
Weighted SIGNALT 4.1