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

LEIGH RIVER (YARROWEE RIVER) D/S WESTERN FREEWAY 3594

Source EPA Victoria
Latest Sample Date 15-10-2007
Taxa count ORDER 7
Taxa count FAMILY 11
Taxa count ALT 12
Mayflies present? 0
ORDER FAMILY ALT
SIGNAL 3.7 3.3 2.5
Weighted SIGNAL 2.4 5 4

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, 5.4.3 Rural residential without agriculture, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.6.0 Utilities, 5.6.5 Electricity substations and transmission, 5.7.2 Roads, 5.7.3 Railways 92.54% 629,526,431m2
  Pastoral Farming 3.2.0 Grazing modified pastures 4.22% 28,728,389m2
Show minor land uses 2
6,802,383m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Turbellaria IF 2 2
Dugesiidae (Unident.) IF619999
2
Gastropoda KG 36 1
Hydrobiidae (Unident.) KG029999
20
Physidae (Unident.) KG089999
16
Oligochaeta LO 10 2
Oligochaeta (Unident.) LO999999
10
Amphipoda OP 3 3
Ceinidae (Unident.) OP029999
3
Ceinidae (Unident.)
Ceinidae (Unident.)
Ceinidae (Unident.)
Coleoptera QC 5 5
Dytiscidae (Unident.) QC099999
4
Dytiscidae (Unident.)(Larva) QC09999I
1
Diptera QD 34 3
Tipulidae (Unident.) QD019999
1
Ceratopogonidae (Unident.) QD099999
2
Ceratopogonidae (Unident.)
Stratiomyidae (Unident.) QD249999
1
Chironominae (Unident.) QDAJ9999
30
Plecoptera QP 30 10
Gripopterygidae (Unident.) QP039999
30
ORDER
SIGNALT 3.7
Weighted SIGNALT 4.1