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

BROKEN RIVER (UPPER) AT LAKE NILLAHCOOTIE ROAD 40900

Source EPA Victoria
Latest Sample Date 27-11-1997
Taxa count ORDER 8
Taxa count FAMILY 19
Taxa count ALT 19
Mayflies present? 12
ORDER FAMILY ALT
SIGNAL 5.5 5 3.6
Weighted SIGNAL 5.7 4.7

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Pastoral Farming 3.2.0 Grazing modified pastures, 4.2.0 Grazing irrigated modified pastures 56.17% 18,961,905,922m2
  Forestry 2.2.0 Production native forests, 3.1.0 Plantation forests 27.88% 9,411,944,205m2
  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, 5.7.2 Roads 6.91% 2,332,295,926m2
  Natural 1.1.1 Strict nature reserves, 1.1.4 Natural feature protection, 1.1.7 Other conserved area 4.82% 1,627,956,558m2
Show minor land uses 4
337,580,333m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 4 1
Ancylidae (Unident.) KG069999
1
Physidae (Unident.) KG089999
3
Oligochaeta LO 3 2
Oligochaeta (Unident.) LO999999
3
Acarina MM 1 6
Mites (Unident.) MM999999
1
Mites (Unident.)
Coleoptera QC 22 5
Dytiscidae (Unident.) QC099999
3
Elmidae (Unident.) QC349999
17
Elmidae (Unident.)
Psephenidae (Unident.) QC379999
2
Psephenidae (Unident.)
Psephenidae (Unident.)
Diptera QD 86 3
Tipulidae (Unident.) QD019999
3
Ceratopogonidae (Unident.) QD099999
8
Ceratopogonidae (Unident.)
Simuliidae (Unident.) QD109999
29
Simuliidae (Unident.)
Orthocladiinae (Unident.) QDAF9999
26
Chironominae (Unident.) QDAJ9999
16
Chironomidae (Unident.) (Pupa) QDAZ999I
4
Ephemeroptera QE 12 9
Baetidae (Unident.) QE029999
1
Caenidae (Unident.) QE089999
11
Plecoptera QP 6 10
Gripopterygidae (Unident.) QP039999
6
Trichoptera QT 119 8
Hydroptilidae (Unident.) QT039999
2
Hydropsychidae (Unident.) QT069999
97
Ecnomidae (Unident.) QT089999
20
ORDER
SIGNALT 5.5
Weighted SIGNALT 5.9