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

YANDINA CREEK AT YANDINA CREEK ROAD 1410055

Source MIV
Latest Sample Date 17-05-2007
Taxa count ORDER 13
Taxa count FAMILY 17
Taxa count ALT 17
Mayflies present? 0
ORDER FAMILY ALT
SIGNAL 2.2 2.4 2.1
Weighted SIGNAL 3.2 2.6

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 49.77% 271,415,937m2
  Residential And Infrastructure 5.4.2 Rural residential with agriculture, 5.4.3 Rural residential without agriculture 29.45% 160,598,186m2
  Arable Farming 3.3.5 Sugar, 3.4.1 Tree fruits, 4.4.5 Irrigated shrub berries and fruits, 4.5.4 Irrigated turf farming 19.22% 104,814,081m2
Show minor land uses 2
5,453,334m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Nematoda II 1 3
Nematoda (Unident.) II999999
1
Gastropoda KG 10 1
Planorbidae (Unident.) KG079999
10
Bivalvia KP 2 3
Corbiculidae (Unident.) KP029999
2
Hirudinea LH 3 1
Richardsonianidae (Unident.) LH039999
3
Oligochaeta LO 2 2
Oligochaeta (Unident.) LO999999
2
Acarina MM 4 6
Mites (Unident.) MM999999
4
Mites (Unident.)
Mites (Unident.)
Unknown OG 5
Cladocera (Unident.) OG999999
5
Unknown OJ 14
Copepoda (Unident.) OJ999999
14
Unknown OT 2
Atyidae (Unident.) OT019999
2
Atyidae (Unident.)
Atyidae (Unident.)
Coleoptera QC 19 5
Dytiscidae (Unident.) QC099999
13
Hydrophilidae (Unident.) QC119999
6
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Diptera QD 16 3
Chironominae (Unident.) QDAJ9999
16
Hemiptera QH 12 2
Mesoveliidae (Unident.) QH529999
1
Hydrometridae (Unident.) QH549999
1
Veliidae (Unident.) QH569999
10
Odonata QO 9 3
Libellulidae (Unident.) QO179999
5
Hemicorduliidae (Unident.) QO309999
4
ORDER
SIGNALT 2.2
Weighted SIGNALT 2.3