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

Cotter River wbb_act_894

Source Waterbug Blitz
Latest Sample Date 15-11-2025
Taxa count ORDER 9
Taxa count FAMILY 17
Taxa count ALT 19
Mayflies present? 42
ORDER FAMILY ALT
SIGNAL 5.3 5.4 5.1
Weighted SIGNAL 6 9.3 5.3

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Natural 1.1.1 Strict nature reserves, 1.1.2 Wilderness area, 1.1.3 National park, 1.1.5 Habitat/species management area, 1.2.2 Surface water supply 80.02% 57,877,684,460m2
  Pastoral Farming 3.2.1 Native/exotic pasture mosaic 9.56% 6,911,902,606m2
  Forestry Plantation 3.1.2 Softwood plantation forestry 3.68% 2,662,462,484m2
  Minimal Use 1.3.0 Other minimal use, 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 3.36% 2,432,215,728m2
Show minor land uses 4
723,317,308m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 8 1
Physa acuta KG089999
8
Oligochaeta LO 2 2
Oligochaeta LO999999
2
Coleoptera QC 4 5
Sclerocyphon QC379999
4
Diptera QD 70 3
Tipulidae QD010000
2
Chironomus QDAI04Z4
60
Chironomidae QDAZ9999
8
Ephemeroptera QE 42 9
Baetidae QE02Z19Z
16
Atalophlebia QE0601B9
2
Leptophlebs QE0699B6
16
Caenidae QE08Z199
8
Hemiptera QH 12 2
Gerridae QH5799B2
2
Micronecta QH6505A1
8
Enithares QH670199
2
Megaloptera QM 2 8
Corydalidae QM019999
2
Plecoptera QP 6 10
Illiesoperla QP030599
2
Gripops or Fluffy bums QP039999
4
Trichoptera QT 12 8
Hydrobiosidae QT0199A4
8
Ecnomus QT0804Z3
2
Triplectides QT2511Z1
2
ORDER
SIGNALT 5.3
Weighted SIGNALT 5.5