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

120m d/s OLN0046B OLN0046C

Source Melbourne Water
Latest Sample Date 10-11-2003
Taxa count ORDER 10
Taxa count FAMILY 18
Taxa count ALT 18
Mayflies present? 0
ORDER FAMILY ALT
SIGNAL 3.4 3.3 3.2
Weighted SIGNAL 2.8 3.8

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, 5.7.5 Navigation and communication 49.54% 2,905,324,786m2
  Natural 1.1.1 Strict nature reserves, 1.1.3 National park, 1.1.6 Protected landscape, 1.1.7 Other conserved area 31.35% 1,838,914,390m2
  Pastoral Farming 3.2.0 Grazing modified pastures 8.63% 506,088,834m2
  Water 6.2.1 Reservoir, 6.4.1 Supply channel/aqueduct 3.46% 202,935,374m2
Show minor land uses 7
58,651,322m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Nematoda II 1 3
Nematoda (Unident.) II999999
1
Gastropoda KG 156 1
Hydrobiidae KG020000
143
Lymnaeidae KG050000
2
Physidae KG080000
11
Bivalvia KP 9 3
Sphaeriidae KP030000
6
Sphaeriidae/Corbiculidae KP9999A1
3
Acarina MM 2 6
Hydracarina (Unident.) MM9999A8
2
Hydracarina (Unident.)
Unknown OT 144
Atyidae OT010000
144
Atyidae
Atyidae
Coleoptera QC 4 5
Elmidae QC340000
4
Elmidae
Diptera QD 100 3
Ceratopogonidae QD090000
20
Ceratopogonidae
Simuliidae (unident.) QD100000
1
Simuliidae (unident.)
Tanypodinae QDAE0000
24
Orthocladiinae QDAF0000
39
Chironominae QDAJ0000
16
Hemiptera QH 1 2
Corixidae QH650000
1
Odonata QO 1 3
Coenagrionidae QO020000
1
Trichoptera QT 3 8
Atriplectididae QT230000
2
Leptoceridae QT250000
1
ORDER
SIGNALT 3.4
Weighted SIGNALT 2.7
Taxa Abundance SIGNALT Grade
Turbellaria IF 14 2
Dugesiidae IF610000
14
Nematoda II 1 3
Nematoda (Unident.) II999999
1
Gastropoda KG 34 1
Hydrobiidae KG020000
24
Lymnaeidae KG050000
3
Physidae KG080000
7
Bivalvia KP 27 3
Sphaeriidae/Corbiculidae KP9999A1
27
Hirudinea LH 12 1
Glossiphoniidae LH010000
12
Oligochaeta LO 106 2
Tubificidae LO040000
106
Acarina MM 2 6
Hydracarina (Unident.) MM9999A8
2
Hydracarina (Unident.)
Unknown OT 104
Atyidae OT010000
104
Atyidae
Atyidae
Coleoptera QC 10 5
Scirtidae QC200000
2
Scirtidae
Elmidae QC340000
8
Elmidae
Diptera QD 19 3
Dixidae QD060000
2
Dixidae
Ceratopogonidae QD090000
4
Ceratopogonidae
Simuliidae (unident.) QD100000
1
Simuliidae (unident.)
Stratiomyidae QD240000
1
Tanypodinae QDAE0000
6
Orthocladiinae QDAF0000
2
Chironominae QDAJ0000
3
Ephemeroptera QE 1 9
Baetidae QE020000
1
Hemiptera QH 20 2
Veliidae QH560000
12
Corixidae QH650000
8
Lepidoptera QL 1 2
Crambidae QL010000
1
Crambidae
Odonata QO 2 3
Zygoptera (Unident.) QO999997
2
Trichoptera QT 18 8
Conoesucidae QT150000
1
Atriplectididae QT230000
4
Calamoceratidae QT240000
4
Leptoceridae QT250000
9
ORDER
SIGNALT 3.3
Weighted SIGNALT 2.8