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

Tea Tree Ck @ Bridge 45043

Source Office of Environment and Heritage
Latest Sample Date 17-04-2008
Taxa count ORDER 13
Taxa count FAMILY 30
Taxa count ALT 30
Mayflies present? 61
ORDER FAMILY ALT
SIGNAL 4.3 4.8 3.9
Weighted SIGNAL 5.8 5.6

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Pastoral Farming 3.2.0 Grazing modified pastures 58.53% 1,277,852,841m2
  Minimal Use 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 38.78% 846,818,152m2
Show minor land uses 2
21,834,257m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Turbellaria IF 1 2
Dugesiidae (Unident.) IF619999
1
Gastropoda KG 5 1
Ancylidae (Unident.) KG069999
5
Bivalvia KP 1 3
Sphaeriidae (Unident.) KP039999
1
Oligochaeta LO 1 2
Oligochaeta (Unident.) LO999999
1
Unknown OV 2
Parastacidae (Unident.) OV019999
2
Parastacidae (Unident.)
Parastacidae (Unident.)
Coleoptera QC 14 5
Dytiscidae (Unident.) QC099999
1
Hydrophilidae (Unident.) QC119999
3
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Scirtidae (Unident.) QC209999
1
Scirtidae (Unident.)
Elmidae (Unident.) QC349999
3
Elmidae (Unident.)
Psephenidae (Unident.) QC379999
6
Psephenidae (Unident.)
Psephenidae (Unident.)
Psephenidae (Unident.)
Psephenidae (Unident.)
Diptera QD 49 3
Dixidae (Unident.) QD069999
5
Dixidae (Unident.)
Simuliidae (Unident.) QD109999
13
Simuliidae (Unident.)
Simuliidae (Unident.)
Podonominae (Unident.) QDAD9999
1
Tanypodinae (Unident.) QDAE9999
11
Orthocladiinae (Unident.) QDAF9999
5
Chironominae (Unident.) QDAJ9999
14
Ephemeroptera QE 61 9
Baetidae (Unident.) QE029999
22
Leptophlebiidae (Unident.) QE069999
39
Hemiptera QH 12 2
Veliidae (Unident.) QH569999
4
Corixidae (Unident.) QH659999
4
Notonectidae (Unident.) QH679999
4
Megaloptera QM 4 8
Corydalidae (Unident.) QM019999
3
Corydalidae (Unident.)
Sialidae (Unident.) QM029999
1
Odonata QO 2 3
Synlestidae (Unident.) QO089999
2
Plecoptera QP 9 10
Gripopterygidae (Unident.) QP039999
9
Trichoptera QT 34 8
Hydrobiosidae (Unident.) QT019999
11
Hydropsychidae (Unident.) QT069999
8
Polycentropodidae (Unident.) QT079999
2
Ecnomidae (Unident.) QT089999
8
Leptoceridae (Unident.) QT259999
5
ORDER
SIGNALT 4.3
Weighted SIGNALT 5.3