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

LERDERDERG RIVER AT ROBERTSONS ROAD 3137

Source EPA Victoria
Latest Sample Date 21-10-1997
Taxa count ORDER 10
Taxa count FAMILY 19
Taxa count ALT 20
Mayflies present? 66
ORDER FAMILY ALT
SIGNAL 5.5 5.1 4.5
Weighted SIGNAL 4.1 5 5.7

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Natural 1.1.1 Strict nature reserves, 1.1.4 Natural feature protection, 1.1.7 Other conserved area 43.86% 14,098,515,554m2
  Forestry 2.2.0 Production native forests, 3.1.0 Plantation forests 35.54% 11,423,844,601m2
  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, 5.6.7 Water extraction and transmission, 5.7.2 Roads, 5.7.5 Navigation and communication 8.88% 2,853,648,935m2
  Pastoral Farming 3.2.0 Grazing modified pastures, 4.2.0 Grazing irrigated modified pastures 6.29% 2,020,751,400m2
Show minor land uses 8
321,422,957m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 2 1
Physidae (Unident.) KG089999
2
Oligochaeta LO 8 2
Oligochaeta (Unident.) LO999999
8
Acarina MM 4 6
Mites (Unident.) MM999999
4
Mites (Unident.)
Amphipoda OP 6 3
Ceinidae (Unident.) OP029999
6
Ceinidae (Unident.)
Ceinidae (Unident.)
Ceinidae (Unident.)
Coleoptera QC 8 5
Dytiscidae (Unident.)(Larva) QC09999I
3
Elmidae (Unident.) QC349999
1
Elmidae (Unident.)
Elmidae (Unident.)(Larvae) QC34999I
2
Elmidae (Unident.)(Larvae)
Psephenidae (Unident.) QC379999
2
Psephenidae (Unident.)
Psephenidae (Unident.)
Diptera QD 166 3
Tipulidae (Unident.) QD019999
3
Ceratopogonidae (Unident.) QD099999
6
Ceratopogonidae (Unident.)
Simuliidae (Unident.) QD109999
13
Simuliidae (Unident.)
Orthocladiinae (Unident.) QDAF9999
133
Chironominae (Unident.) QDAJ9999
9
Chironomidae (Unident.) (Pupa) QDAZ999I
2
Ephemeroptera QE 66 9
Leptophlebiidae (Unident.) QE069999
66
Megaloptera QM 1 8
Corydalidae (Unident.) QM019999
1
Corydalidae (Unident.)
Plecoptera QP 38 10
Gripopterygidae (Unident.) QP039999
38
Trichoptera QT 7 8
Hydrobiosidae (Unident.) QT019999
5
Hydroptilidae (Unident.) QT039999
1
Hydropsychidae (Unident.) QT069999
1
ORDER
SIGNALT 5.5
Weighted SIGNALT 6.0