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

Clarence R @ Yulgilbar Bridge 42108

Source Office of Environment and Heritage
Latest Sample Date 31-05-2010
Taxa count ORDER 16
Taxa count FAMILY 39
Taxa count ALT 39
Mayflies present? 26
ORDER FAMILY ALT
SIGNAL 2.5 3.4 3.1
Weighted SIGNAL 4.2 4

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Minimal Use 1.3.0 Other minimal use, 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 49.73% 380,738,776,691m2
  Natural 1.1.1 Strict nature reserves, 1.1.3 National park, 1.1.7 Other conserved area, 1.2.0 Managed resource protection 18.29% 139,988,998,701m2
  Forestry 2.2.0 Production native forests, 3.1.0 Plantation forests 16.02% 122,671,122,571m2
  Pastoral Farming 3.2.0 Grazing modified pastures, 3.2.1 Native/exotic pasture mosaic, 3.2.5 Sown grasses 10.18% 77,947,692,464m2
  Forestry Plantation 3.1.1 Hardwood plantation forestry, 3.1.2 Softwood plantation forestry, 3.1.4 Environmental forest plantation 3.01% 23,081,834,903m2
Show minor land uses 9
7,655,857,740m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Turbellaria IF 5 2
Dugesiidae (Unident.) IF619999
5
Gastropoda KG 21 1
Hydrobiidae (Unident.) KG029999
2
Thiaridae (Unident.) KG049999
9
Lymnaeidae (Unident.) KG059999
2
Physidae (Unident.) KG089999
8
Bivalvia KP 3 3
Corbiculidae (Unident.) KP029999
3
Unknown OG 2
Cladocera (Unident.) OG999999
2
Unknown OH 7
Ostracoda (Unident.) OH999999
7
Unknown OJ 1
Copepoda (Unident.) OJ999999
1
Isopoda OR 7 2
Cirolanidae (Unident.) OR129999
7
Unknown OT 8
Atyidae (Unident.) OT019999
2
Atyidae (Unident.)
Atyidae (Unident.)
Palaemonidae (Unident.) OT029999
6
Palaemonidae (Unident.)
Palaemonidae (Unident.)
Unknown OV 2
Parastacidae (Unident.) OV019999
2
Parastacidae (Unident.)
Parastacidae (Unident.)
Coleoptera QC 33 5
Hydrophilidae (Unident.) QC119999
21
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydraenidae (Unident.) QC139999
1
Hydraenidae (Unident.)
Elmidae (Unident.) QC349999
11
Elmidae (Unident.)
Diptera QD 18 3
Simuliidae (Unident.) QD109999
10
Simuliidae (Unident.)
Simuliidae (Unident.)
Tabanidae (Unident.) QD239999
4
Stratiomyidae (Unident.) QD249999
1
Tanypodinae (Unident.) QDAE9999
1
Orthocladiinae (Unident.) QDAF9999
1
Chironominae (Unident.) QDAJ9999
1
Ephemeroptera QE 26 9
Baetidae (Unident.) QE029999
16
Leptophlebiidae (Unident.) QE069999
6
Caenidae (Unident.) QE089999
4
Hemiptera QH 7 2
Hydrometridae (Unident.) QH549999
5
Veliidae (Unident.) QH569999
1
Gerridae (Unident.) QH579999
1
Lepidoptera QL 7 2
Crambidae (Unident.) QL019999
7
Crambidae (Unident.)
Crambidae (Unident.)
Odonata QO 28 3
Coenagrionidae (Unident.) QO029999
9
Isostictidae (Unident.) QO039999
1
Aeshnidae (Unident.) QO129999
2
Gomphidae (Unident.) QO139999
5
Libellulidae (Unident.) QO179999
11
Trichoptera QT 48 8
Hydrobiosidae (Unident.) QT019999
1
Philopotamidae (Unident.) QT049999
4
Hydropsychidae (Unident.) QT069999
8
Calamoceratidae (Unident.) QT249999
8
Leptoceridae (Unident.) QT259999
27
ORDER
SIGNALT 2.5
Weighted SIGNALT 3.3