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

Commissioners Waters @ Trig Hill 44063

Source Office of Environment and Heritage
Latest Sample Date 15-04-2008
Taxa count ORDER 13
Taxa count FAMILY 21
Taxa count ALT 21
Mayflies present? 21
ORDER FAMILY ALT
SIGNAL 2.7 3.9 2.4
Weighted SIGNAL 5.4 3.9

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Minimal Use 2.1.0 Grazing native vegetation 50.25% 23,769,528,064m2
  Pastoral Farming 3.2.0 Grazing modified pastures, 3.2.1 Native/exotic pasture mosaic 30.81% 14,572,404,134m2
  Residential And Infrastructure 5.4.0 Residential and farm infrastructure, 5.4.1 Urban residential, 5.4.5 Farm buildings/infrastructure, 5.5.0 Services, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.6.5 Electricity substations and transmission, 5.7.0 Transport and communication, 5.7.1 Airports/aerodromes, 5.7.2 Roads, 5.7.3 Railways 10.17% 4,809,303,348m2
  Arable Farming 3.3.0 Cropping, 3.3.3 Hay and silage, 3.4.0 Perennial horticulture, 3.4.9 Grapes, 4.3.0 Irrigated cropping, 4.4.4 Irrigated vine fruits 4.90% 2,319,655,149m2
Show minor land uses 8
472,983,160m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 2 1
Physidae (Unident.) KG089999
2
Bivalvia KP 4 3
Sphaeriidae (Unident.) KP039999
4
Hirudinea LH 9 1
Glossiphoniidae (Unident.) LH019999
9
Unknown OG 2
Cladocera (Unident.) OG999999
2
Unknown OJ 2
Copepoda (Unident.) OJ999999
2
Unknown OT 22
Atyidae (Unident.) OT019999
22
Atyidae (Unident.)
Atyidae (Unident.)
Unknown QA 1
Collembola (Unident.) QA999999
1
Coleoptera QC 14 5
Dytiscidae (Unident.) QC099999
9
Hydrophilidae (Unident.) QC119999
3
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydraenidae (Unident.) QC139999
1
Hydraenidae (Unident.)
Scirtidae (Unident.) QC209999
1
Scirtidae (Unident.)
Diptera QD 9 3
Tanypodinae (Unident.) QDAE9999
2
Chironominae (Unident.) QDAJ9999
7
Ephemeroptera QE 21 9
Baetidae (Unident.) QE029999
15
Leptophlebiidae (Unident.) QE069999
4
Caenidae (Unident.) QE089999
2
Hemiptera QH 28 2
Corixidae (Unident.) QH659999
16
Notonectidae (Unident.) QH679999
12
Odonata QO 3 3
Coenagrionidae (Unident.) QO029999
3
Trichoptera QT 19 8
Ecnomidae (Unident.) QT089999
4
Leptoceridae (Unident.) QT259999
15
ORDER
SIGNALT 2.7
Weighted SIGNALT 3.6