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

Boundary Ck@Glenowen 45002A

Source Office of Environment and Heritage
Latest Sample Date 14-04-2008
Taxa count ORDER 12
Taxa count FAMILY 28
Taxa count ALT 28
Mayflies present? 27
ORDER FAMILY ALT
SIGNAL 4.4 4.5 3.8
Weighted SIGNAL 4.7 5.1

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 76.93% 983,672,506m2
  Pastoral Farming 3.2.0 Grazing modified pastures 11.43% 146,099,884m2
  Natural 1.1.3 National park 4.91% 62,792,930m2
  Arable Farming 3.3.0 Cropping 4.48% 57,289,167m2
Show minor land uses 1
12,786,242m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Turbellaria IF 2 2
Dugesiidae (Unident.) IF619999
2
Bivalvia KP 3 3
Sphaeriidae (Unident.) KP039999
3
Oligochaeta LO 1 2
Oligochaeta (Unident.) LO999999
1
Acarina MM 2 6
Mites (Unident.) MM999999
2
Mites (Unident.)
Unknown OV 4
Parastacidae (Unident.) OV019999
4
Parastacidae (Unident.)
Parastacidae (Unident.)
Coleoptera QC 29 5
Dytiscidae (Unident.) QC099999
9
Gyrinidae (Unident.) QC109999
6
Gyrinidae (Unident.)
Hydrophilidae (Unident.) QC119999
3
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Scirtidae (Unident.) QC209999
11
Scirtidae (Unident.)
Diptera QD 37 3
Dixidae (Unident.) QD069999
13
Dixidae (Unident.)
Culicidae (Unident.) QD079999
2
Culicidae (Unident.)
Ceratopogonidae (Unident.) QD099999
4
Ceratopogonidae (Unident.)
Simuliidae (Unident.) QD109999
3
Simuliidae (Unident.)
Tanypodinae (Unident.) QDAE9999
8
Orthocladiinae (Unident.) QDAF9999
1
Chironominae (Unident.) QDAJ9999
6
Ephemeroptera QE 27 9
Leptophlebiidae (Unident.) QE069999
27
Hemiptera QH 15 2
Veliidae (Unident.) QH569999
11
Notonectidae (Unident.) QH679999
4
Odonata QO 5 3
Megapodagrionidae (Unident.) QO079999
1
Aeshnidae (Unident.) QO129999
3
Corduliidae (Unident.) QO169999
1
Plecoptera QP 26 10
Gripopterygidae (Unident.) QP039999
26
Trichoptera QT 39 8
Hydrobiosidae (Unident.) QT019999
8
Polycentropodidae (Unident.) QT079999
14
Philorheithridae (Unident.) QT219999
1
Atriplectididae (Unident.) QT239999
1
Leptoceridae (Unident.) QT259999
15
ORDER
SIGNALT 4.4
Weighted SIGNALT 5.4