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

Narellan Creek @ Fairwater Drive 22147

Source Office of Environment and Heritage
Latest Sample Date 22-06-2011
Taxa count ORDER 9
Taxa count FAMILY 13
Taxa count ALT 13
Mayflies present? 0
ORDER FAMILY ALT
SIGNAL 3.2 3 2.3
Weighted SIGNAL 2.4 2.5

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Residential And Infrastructure 5.4.1 Urban residential, 5.4.2 Rural residential with agriculture, 5.5.0 Services, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.5.5 Research facilities, 5.7.2 Roads 59.74% 1,682,627,605m2
  Minimal Use 2.1.0 Grazing native vegetation 30.62% 862,565,414m2
  Pastoral Farming 3.2.1 Native/exotic pasture mosaic 4.70% 132,260,030m2
Show minor land uses 6
28,167,136m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Turbellaria IF 2 2
Dugesiidae (Unident.) IF619999
2
Gastropoda KG 11 1
Lymnaeidae (Unident.) KG059999
3
Physidae (Unident.) KG089999
8
Hirudinea LH 1 1
Glossiphoniidae (Unident.) LH019999
1
Acarina MM 1 6
Mites (Unident.) MM999999
1
Mites (Unident.)
Unknown OT 2
Atyidae (Unident.) OT019999
2
Atyidae (Unident.)
Atyidae (Unident.)
Coleoptera QC 1 5
Dytiscidae (Unident.) QC099999
1
Diptera QD 17 3
Stratiomyidae (Unident.) QD249999
1
Chironominae (Unident.) QDAJ9999
16
Odonata QO 22 3
Coenagrionidae (Unident.) QO029999
13
Megapodagrionidae (Unident.) QO079999
4
Corduliidae (Unident.) QO169999
5
Trichoptera QT 1 8
Hydroptilidae (Unident.) QT039999
1
ORDER
SIGNALT 3.2
Weighted SIGNALT 2.8