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

Bemboka River @ Echo Valley 32194

Source Office of Environment and Heritage
Latest Sample Date 14-11-2009
Taxa count ORDER 18
Taxa count FAMILY 36
Taxa count ALT 36
Mayflies present? 11
ORDER FAMILY ALT
SIGNAL 3.2 3.8 2.8
Weighted SIGNAL 4.7 3.5

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Natural 1.1.3 National park, 1.2.1 Biodiversity, 1.2.4 Landscape 29.84% 10,226,891,294m2
  Pastoral Farming 3.2.0 Grazing modified pastures, 3.2.5 Sown grasses, 4.2.0 Grazing irrigated modified pastures, 4.2.4 Irrigated sown grasses 29.78% 10,205,139,930m2
  Minimal Use 1.3.0 Other minimal use, 2.1.0 Grazing native vegetation 25.14% 8,614,790,204m2
  Forestry 2.2.0 Production native forests 13.73% 4,705,295,053m2
Show minor land uses 6
342,691,489m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Turbellaria IF 3 2
Dugesiidae (Unident.) IF619999
3
Gastropoda KG 5 1
Physidae (Unident.) KG089999
5
Bivalvia KP 1 3
Sphaeriidae (Unident.) KP039999
1
Hirudinea LH 1 1
Glossiphoniidae (Unident.) LH019999
1
Oligochaeta LO 2 2
Oligochaeta (Unident.) LO999999
2
Acarina MM 3 6
Mites (Unident.) MM999999
3
Mites (Unident.)
Unknown OG 3
Cladocera (Unident.) OG999999
3
Unknown OH 2
Ostracoda (Unident.) OH999999
2
Amphipoda OP 30 3
Ceinidae (Unident.) OP029999
30
Ceinidae (Unident.)
Ceinidae (Unident.)
Ceinidae (Unident.)
Unknown OT 6
Atyidae (Unident.) OT019999
6
Atyidae (Unident.)
Atyidae (Unident.)
Coleoptera QC 24 5
Dytiscidae (Unident.) QC099999
15
Hydrophilidae (Unident.) QC119999
9
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Diptera QD 35 3
Ceratopogonidae (Unident.) QD099999
8
Ceratopogonidae (Unident.)
Tabanidae (Unident.) QD239999
1
Tanypodinae (Unident.) QDAE9999
2
Chironominae (Unident.) QDAJ9999
24
Ephemeroptera QE 11 9
Baetidae (Unident.) QE029999
3
Leptophlebiidae (Unident.) QE069999
6
Caenidae (Unident.) QE089999
2
Hemiptera QH 16 2
Mesoveliidae (Unident.) QH529999
1
Veliidae (Unident.) QH569999
3
Gerridae (Unident.) QH579999
1
Corixidae (Unident.) QH659999
3
Notonectidae (Unident.) QH679999
8
Lepidoptera QL 3 2
Crambidae (Unident.) QL019999
3
Crambidae (Unident.)
Megaloptera QM 1 8
Sialidae (Unident.) QM029999
1
Odonata QO 32 3
Coenagrionidae (Unident.) QO029999
13
Lestidae (Unident.) QO059999
3
Aeshnidae (Unident.) QO129999
3
Gomphidae (Unident.) QO139999
4
Corduliidae (Unident.) QO169999
8
Libellulidae (Unident.) QO179999
1
Trichoptera QT 15 8
Hydroptilidae (Unident.) QT039999
1
Ecnomidae (Unident.) QT089999
2
Calamoceratidae (Unident.) QT249999
1
Leptoceridae (Unident.) QT259999
11
ORDER
SIGNALT 3.2
Weighted SIGNALT 3.6