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

Dawson River at Theodore 130305A

Source MIV
Latest Sample Date 11-05-2000
Taxa count ORDER 10
Taxa count FAMILY 14
Taxa count ALT 14
Mayflies present? 10
ORDER FAMILY ALT
SIGNAL 2.9 2.8 2.2
Weighted SIGNAL 3.4 2.8

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Minimal Use 1.3.0 Other minimal use, 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 82.61% 70,950,258,057m2
  Arable Farming 3.3.0 Cropping, 3.4.0 Perennial horticulture, 4.3.0 Irrigated cropping, 4.3.1 Irrigated cereals, 4.4.0 Irrigated perennial horticulture 11.20% 9,621,136,697m2
  Forestry 2.2.0 Production native forests 5.78% 4,966,320,561m2
Show minor land uses 6
858,894,703m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Turbellaria IF 10 2
Dugesiidae (Unident.) IF619999
10
Gastropoda KG 14 1
Thiaridae (Unident.) KG049999
10
Planorbidae (Unident.) KG079999
1
Physidae (Unident.) KG089999
3
Bivalvia KP 4 3
Corbiculidae (Unident.) KP029999
4
Hirudinea LH 1 1
Hirudinea (Unident.) LH999999
1
Oligochaeta LO 8 2
Oligochaeta (Unident.) LO999999
8
Unknown OT 2
Palaemonidae (Unident.) OT029999
2
Palaemonidae (Unident.)
Coleoptera QC 13 5
Dytiscidae (Unident.) QC099999
1
Hydrophilidae (Unident.) QC119999
12
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Diptera QD 20 3
Tabanidae (Unident.) QD239999
10
Chironomidae (Unident.)(Larva) QDAZ9999
10
Ephemeroptera QE 10 9
Caenidae (Unident.) QE089999
10
Odonata QO 2 3
Libellulidae (Unident.) QO179999
2
ORDER
SIGNALT 2.9
Weighted SIGNALT 3.3