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

LERDERDERG RIVER AT ROBERTSONS ROAD LER0298

Source Melbourne Water
Latest Sample Date 21-10-1997
Taxa count ORDER 15
Taxa count FAMILY 31
Taxa count ALT 33
Mayflies present? 72
ORDER FAMILY ALT
SIGNAL 4.1 4.4 3.8
Weighted SIGNAL 4.2 5 4.8

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
Unknown IB 1
Hydridae (Unident.) IB019999
1
Turbellaria IF 1 2
Dugesiidae (Unident.) IF619999
1
Gastropoda KG 22 1
Hydrobiidae (Unident.) KG029999
3
Physidae (Unident.) KG089999
19
Oligochaeta LO 18 2
Oligochaeta (Unident.) LO999999
18
Acarina MM 4 6
Mites (Unident.) MM999999
4
Mites (Unident.)
Amphipoda OP 90 3
Ceinidae (Unident.) OP029999
90
Ceinidae (Unident.)
Ceinidae (Unident.)
Ceinidae (Unident.)
Ceinidae (Unident.)
Ceinidae (Unident.)
Ceinidae (Unident.)
Unknown OT 10
Atyidae (Unident.) OT019999
10
Atyidae (Unident.)
Atyidae (Unident.)
Coleoptera QC 27 5
Dytiscidae (Unident.) QC099999
1
Dytiscidae (Unident.)(Larva) QC09999I
19
Elmidae (Unident.) QC349999
1
Elmidae (Unident.)
Elmidae (Unident.)(Larvae) QC34999I
2
Elmidae (Unident.)(Larvae)
Psephenidae (Unident.) QC379999
4
Psephenidae (Unident.)
Psephenidae (Unident.)
Psephenidae (Unident.)
Psephenidae (Unident.)
Diptera QD 429 3
Tipulidae (Unident.) QD019999
3
Ceratopogonidae (Unident.) QD099999
16
Ceratopogonidae (Unident.)
Ceratopogonidae (Unident.)
Simuliidae (Unident.) QD109999
13
Simuliidae (Unident.)
Tanypodinae (Unident.) QDAE9999
1
Orthocladiinae (Unident.) QDAF9999
203
Chironominae (Unident.) QDAJ9999
186
Chironomidae (Unident.) (Pupa) QDAZ999I
7
Ephemeroptera QE 72 9
Leptophlebiidae (Unident.) QE069999
71
Caenidae (Unident.) QE089999
1
Hemiptera QH 13 2
Veliidae (Unident.) QH569999
1
Corixidae (Unident.) QH659999
12
Megaloptera QM 1 8
Corydalidae (Unident.) QM019999
1
Corydalidae (Unident.)
Odonata QO 6 3
Coenagrionidae (Unident.) QO029999
4
Telephlebiidae (Unident.) QO219999
2
Plecoptera QP 45 10
Gripopterygidae (Unident.) QP039999
45
Trichoptera QT 53 8
Hydrobiosidae (Unident.) QT019999
5
Glossosomatidae (Unident.) QT029999
1
Hydroptilidae (Unident.) QT039999
41
Hydropsychidae (Unident.) QT069999
1
Leptoceridae (Unident.) QT259999
5
ORDER
SIGNALT 4.1
Weighted SIGNALT 4.5
Taxa Abundance SIGNALT Grade
Turbellaria IF 1 2
Dugesiidae (Unident.) IF619999
1
Gastropoda KG 7 1
Hydrobiidae (Unident.) KG029999
2
Physidae (Unident.) KG089999
5
Hirudinea LH 5 1
Hirudinea (Unident.) LH999999
5
Oligochaeta LO 2 2
Oligochaeta (Unident.) LO999999
2
Amphipoda OP 159 3
Ceinidae (Unident.) OP029999
159
Ceinidae (Unident.)
Ceinidae (Unident.)
Ceinidae (Unident.)
Unknown OT 18
Atyidae (Unident.) OT019999
18
Atyidae (Unident.)
Atyidae (Unident.)
Coleoptera QC 19 5
Dytiscidae (Unident.) QC099999
16
Hydrophilidae (Unident.) QC119999
3
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Diptera QD 37 3
Stratiomyidae (Unident.) QD249999
1
Chironominae (Unident.) QDAJ9999
36
Hemiptera QH 66 2
Mesoveliidae (Unident.) QH529999
10
Veliidae (Unident.) QH569999
2
Belostomatidae (Unident.) QH629999
1
Corixidae (Unident.) QH659999
52
Notonectidae (Unident.) QH679999
1
Odonata QO 38 3
Coenagrionidae (Unident.) QO029999
15
Lestidae (Unident.) QO059999
11
Megapodagrionidae (Unident.) QO079999
2
Aeshnidae (Unident.) QO129999
10
Trichoptera QT 35 8
Hydroptilidae (Unident.) QT039999
17
Leptoceridae (Unident.) QT259999
18
ORDER
SIGNALT 2.7
Weighted SIGNALT 3.1