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

Colombo Creek @ Bevitts 33104

Source Office of Environment and Heritage
Latest Sample Date 21-11-2007
Taxa count ORDER 17
Taxa count FAMILY 35
Taxa count ALT 35
Mayflies present? 56
ORDER FAMILY ALT
SIGNAL 3.4 3.8 2.8
Weighted SIGNAL 5.3 3.5

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Pastoral Farming 3.2.0 Grazing modified pastures 44.70% 2,275,939,344m2
  Minimal Use 2.1.0 Grazing native vegetation 29.12% 1,482,721,876m2
  Natural 1.1.3 National park 24.62% 1,253,303,592m2
Show minor land uses 3
50,911,866m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Turbellaria IF 3 2
Dugesiidae (Unident.) IF619999
3
Gastropoda KG 19 1
Physidae (Unident.) KG089999
19
Bivalvia KP 1 3
Corbiculidae (Unident.) KP029999
1
Hirudinea LH 5 1
Glossiphoniidae (Unident.) LH019999
5
Oligochaeta LO 7 2
Oligochaeta (Unident.) LO999999
7
Acarina MM 3 6
Mites (Unident.) MM999999
3
Mites (Unident.)
Unknown OH 1
Ostracoda (Unident.) OH999999
1
Amphipoda OP 66 3
Ceinidae (Unident.) OP029999
66
Ceinidae (Unident.)
Ceinidae (Unident.)
Ceinidae (Unident.)
Ceinidae (Unident.)
Ceinidae (Unident.)
Ceinidae (Unident.)
Unknown OT 4
Atyidae (Unident.) OT019999
4
Atyidae (Unident.)
Atyidae (Unident.)
Coleoptera QC 31 5
Dytiscidae (Unident.) QC099999
16
Gyrinidae (Unident.) QC109999
9
Gyrinidae (Unident.)
Gyrinidae (Unident.)
Hydrophilidae (Unident.) QC119999
6
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Diptera QD 6 3
Tipulidae (Unident.) QD019999
1
Tabanidae (Unident.) QD239999
1
Stratiomyidae (Unident.) QD249999
1
Chironominae (Unident.) QDAJ9999
3
Ephemeroptera QE 56 9
Baetidae (Unident.) QE029999
4
Leptophlebiidae (Unident.) QE069999
31
Caenidae (Unident.) QE089999
21
Hemiptera QH 35 2
Mesoveliidae (Unident.) QH529999
3
Veliidae (Unident.) QH569999
6
Gerridae (Unident.) QH579999
2
Corixidae (Unident.) QH659999
3
Naucoridae (Unident.) QH669999
1
Notonectidae (Unident.) QH679999
20
Lepidoptera QL 1 2
Crambidae (Unident.) QL019999
1
Crambidae (Unident.)
Megaloptera QM 2 8
Sialidae (Unident.) QM029999
2
Odonata QO 60 3
Coenagrionidae (Unident.) QO029999
41
Aeshnidae (Unident.) QO129999
1
Gomphidae (Unident.) QO139999
1
Corduliidae (Unident.) QO169999
8
Libellulidae (Unident.) QO179999
9
Trichoptera QT 40 8
Hydroptilidae (Unident.) QT039999
7
Ecnomidae (Unident.) QT089999
1
Leptoceridae (Unident.) QT259999
32
ORDER
SIGNALT 3.4
Weighted SIGNALT 3.8