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

DRAIN AT UPSTREAM BARRETTS LAGOON 1140022

Source MIV
Latest Sample Date 17-11-1997
Taxa count ORDER 11
Taxa count FAMILY 22
Taxa count ALT 22
Mayflies present? 4
ORDER FAMILY ALT
SIGNAL 3.3 3.5 2.3
Weighted SIGNAL 3.7 3.1

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Arable Farming 3.3.5 Sugar 76.97% 202,988,764m2
  Natural 1.1.3 National park 13.99% 36,884,238m2
  Minimal Use 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 6.18% 16,309,357m2
Show minor land uses 1
2,637,098m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Acarina MM 10 6
Mites (Unident.) MM999999
10
Mites (Unident.)
Unknown OG 3
Cladocera (Unident.) OG999999
3
Unknown OH 1
Ostracoda (Unident.) OH999999
1
Unknown OJ 3
Copepoda (Unident.) OJ999999
3
Unknown OT 20
Atyidae (Unident.) OT019999
20
Atyidae (Unident.)
Atyidae (Unident.)
Coleoptera QC 43 5
Dytiscidae (Unident.) QC099999
6
Gyrinidae (Unident.) QC109999
24
Gyrinidae (Unident.)
Hydrophilidae (Unident.) QC119999
12
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydraenidae (Unident.) QC139999
1
Hydraenidae (Unident.)
Diptera QD 13 3
Culicidae (Unident.) QD079999
4
Culicidae (Unident.)
Tanypodinae (Unident.) QDAE9999
5
Chironominae (Unident.) QDAJ9999
4
Ephemeroptera QE 4 9
Caenidae (Unident.) QE089999
4
Hemiptera QH 17 2
Mesoveliidae (Unident.) QH529999
1
Veliidae (Unident.) QH569999
5
Gerridae (Unident.) QH579999
1
Corixidae (Unident.) QH659999
10
Odonata QO 19 3
Coenagrionidae (Unident.) QO029999
10
Protoneuridae (Unident.) QO049999
1
Corduliidae (Unident.) QO169999
8
Trichoptera QT 3 8
Calamoceratidae (Unident.) QT249999
1
Leptoceridae (Unident.) QT259999
2
ORDER
SIGNALT 3.3
Weighted SIGNALT 3.3
Taxa Abundance SIGNALT Grade
Unknown IB 1
Hydridae (Unident.) IB019999
1
Turbellaria IF 2 2
Dugesiidae (Unident.) IF619999
2
Hirudinea LH 1 1
Ornithobdellidae (Unident.) LH049999
1
Acarina MM 4 6
Mites (Unident.) MM999999
4
Mites (Unident.)
Unknown OH 3
Ostracoda (Unident.) OH999999
3
Unknown OJ 4
Copepoda (Unident.) OJ999999
4
Unknown OT 20
Atyidae (Unident.) OT019999
20
Atyidae (Unident.)
Atyidae (Unident.)
Coleoptera QC 57 5
Noteridae (Unident.) QC089999
20
Noteridae (Unident.)
Noteridae (Unident.)
Dytiscidae (Unident.) QC099999
10
Hydrophilidae (Unident.) QC119999
27
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Diptera QD 40 3
Culicidae (Unident.) QD079999
2
Culicidae (Unident.)
Ceratopogonidae (Unident.) QD099999
18
Ceratopogonidae (Unident.)
Tanypodinae (Unident.) QDAE9999
10
Chironominae (Unident.) QDAJ9999
10
Ephemeroptera QE 11 9
Baetidae (Unident.) QE029999
9
Caenidae (Unident.) QE089999
2
Hemiptera QH 12 2
Veliidae (Unident.) QH569999
1
Gerridae (Unident.) QH579999
5
Corixidae (Unident.) QH659999
5
Naucoridae (Unident.) QH669999
1
Lepidoptera QL 1 2
Crambidae (Unident.) QL019999
1
Crambidae (Unident.)
Odonata QO 19 3
Coenagrionidae (Unident.) QO029999
10
Corduliidae (Unident.) QO169999
7
Libellulidae (Unident.) QO179999
2
Trichoptera QT 5 8
Hydroptilidae (Unident.) QT039999
3
Ecnomidae (Unident.) QT089999
1
Leptoceridae (Unident.) QT259999
1
ORDER
SIGNALT 2.9
Weighted SIGNALT 3.4