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

Black Bobs Ck @ Wildlife Refuge 23082

Source Office of Environment and Heritage
Latest Sample Date 29-04-2009
Taxa count ORDER 12
Taxa count FAMILY 19
Taxa count ALT 19
Mayflies present? 29
ORDER FAMILY ALT
SIGNAL 2.3 2.9 1.6
Weighted SIGNAL 4.8 2.8

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 83.67% 1,442,044,162m2
  Residential And Infrastructure 5.4.0 Residential and farm infrastructure, 5.4.1 Urban residential, 5.7.2 Roads 8.85% 152,504,670m2
  Arable Farming 3.3.0 Cropping, 3.4.9 Grapes, 4.4.9 Irrigated grapes 3.16% 54,501,669m2
Show minor land uses 4
17,235,528m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 1 1
Lymnaeidae (Unident.) KG059999
1
Unknown OG 1
Cladocera (Unident.) OG999999
1
Unknown OH 23
Ostracoda (Unident.) OH999999
23
Unknown OJ 11
Copepoda (Unident.) OJ999999
11
Unknown OT 36
Atyidae (Unident.) OT019999
36
Atyidae (Unident.)
Atyidae (Unident.)
Unknown OV 2
Parastacidae (Unident.) OV019999
2
Parastacidae (Unident.)
Parastacidae (Unident.)
Unknown QA 4
Collembola (Unident.) QA999999
4
Coleoptera QC 15 5
Dytiscidae (Unident.) QC099999
12
Hydrophilidae (Unident.) QC119999
3
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Diptera QD 17 3
Tipulidae (Unident.) QD019999
2
Culicidae (Unident.) QD079999
2
Culicidae (Unident.)
Ceratopogonidae (Unident.) QD099999
2
Ceratopogonidae (Unident.)
Chironominae (Unident.) QDAJ9999
11
Ephemeroptera QE 29 9
Leptophlebiidae (Unident.) QE069999
2
Caenidae (Unident.) QE089999
27
Hemiptera QH 30 2
Veliidae (Unident.) QH569999
3
Corixidae (Unident.) QH659999
24
Notonectidae (Unident.) QH679999
3
Trichoptera QT 7 8
Ecnomidae (Unident.) QT089999
7
ORDER
SIGNALT 2.3
Weighted SIGNALT 2.8