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

Nattai River @ Colo St Bridge 23168

Source Office of Environment and Heritage
Latest Sample Date 08-04-2011
Taxa count ORDER 19
Taxa count FAMILY 33
Taxa count ALT 33
Mayflies present? 13
ORDER FAMILY ALT
SIGNAL 2.9 3.1 2.9
Weighted SIGNAL 3.4 4.2

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Minimal Use 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 54.92% 433,869,238m2
  Residential And Infrastructure 5.4.0 Residential and farm infrastructure, 5.4.1 Urban residential, 5.4.5 Farm buildings/infrastructure, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.6.7 Water extraction and transmission, 5.7.2 Roads, 5.7.3 Railways 39.79% 314,336,387m2
Show minor land uses 7
7,899,671m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Turbellaria IF 2 2
Dugesiidae (Unident.) IF619999
2
Gastropoda KG 14 1
Lymnaeidae (Unident.) KG059999
3
Ancylidae (Unident.) KG069999
1
Physidae (Unident.) KG089999
8
Glacidorbidae (Unident.) KG099999
2
Bivalvia KP 7 3
Sphaeriidae (Unident.) KP039999
7
Hirudinea LH 2 1
Glossiphoniidae (Unident.) LH019999
2
Oligochaeta LO 1 2
Oligochaeta (Unident.) LO999999
1
Acarina MM 4 6
Mites (Unident.) MM999999
4
Mites (Unident.)
Unknown OG 2
Cladocera (Unident.) OG999999
2
Unknown OH 7
Ostracoda (Unident.) OH999999
7
Unknown OJ 6
Copepoda (Unident.) OJ999999
6
Amphipoda OP 9 3
Ceinidae (Unident.) OP029999
9
Ceinidae (Unident.)
Ceinidae (Unident.)
Ceinidae (Unident.)
Unknown OV 2
Parastacidae (Unident.) OV019999
2
Parastacidae (Unident.)
Parastacidae (Unident.)
Unknown PD 2
Diplopoda (Unident.) PD999999
2
Coleoptera QC 11 5
Dytiscidae (Unident.) QC099999
2
Hydrophilidae (Unident.) QC119999
6
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydraenidae (Unident.) QC139999
1
Hydraenidae (Unident.)
Scirtidae (Unident.) QC209999
2
Scirtidae (Unident.)
Diptera QD 43 3
Dixidae (Unident.) QD069999
2
Dixidae (Unident.)
Simuliidae (Unident.) QD109999
3
Simuliidae (Unident.)
Sciomyzidae (Unident.) QD459999
1
Sciomyzidae (Unident.)
Tanypodinae (Unident.) QDAE9999
13
Chironominae (Unident.) QDAJ9999
24
Ephemeroptera QE 13 9
Leptophlebiidae (Unident.) QE069999
13
Hemiptera QH 3 2
Hydrometridae (Unident.) QH549999
1
Veliidae (Unident.) QH569999
2
Megaloptera QM 6 8
Corydalidae (Unident.) QM019999
6
Corydalidae (Unident.)
Odonata QO 6 3
Coenagrionidae (Unident.) QO029999
1
Aeshnidae (Unident.) QO129999
2
Corduliidae (Unident.) QO169999
3
Trichoptera QT 4 8
Hydroptilidae (Unident.) QT039999
1
Leptoceridae (Unident.) QT259999
3
ORDER
SIGNALT 2.9
Weighted SIGNALT 3.5