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

Samson Brook - Us Scarp Rd Crossing SAM-01

Source Department of Water and Environment Regulation
Latest Sample Date 08-10-2009
Taxa count ORDER 9
Taxa count FAMILY 15
Taxa count ALT 16
Mayflies present? 10
ORDER FAMILY ALT
SIGNAL 4.9 4.5 3.7
Weighted SIGNAL 5.2 9 4.8

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Forestry 2.2.0 Production native forests 73.10% 6,135,091,867m2
  Natural 1.1.3 National park, 1.1.6 Protected landscape, 1.1.7 Other conserved area 17.54% 1,471,761,931m2
Show minor land uses 8
83,922,436m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Oligochaeta LO 1 2
Oligochaeta (Unident.) LO999999
1
Acarina MM 2 6
Hydracarina (Unident.) MM9999A8
2
Hydracarina (Unident.)
Amphipoda OP 9 3
Perthiidae (Unident.) OP089999
9
Perthiidae (Unident.)
Perthiidae (Unident.)
Perthiidae (Unident.)
Unknown OV 2
Parastacidae (Unident.) OV019999
2
Parastacidae (Unident.)
Parastacidae (Unident.)
Diptera QD 62 3
Ceratopogonidae (Unident.) QD099999
6
Ceratopogonidae (Unident.)
Simuliidae (Unident.) QD109999
2
Simuliidae (Unident.)
Aphroteniinae (Unident.) QDAA9999
2
Tanypodinae (Unident.) QDAE9999
4
Orthocladiinae (Unident.) QDAF9999
18
Chironominae (Unident.) QDAJ9999
30
Ephemeroptera QE 10 9
Baetidae (Unident.) QE029999
4
Neboissophlebia sp.(Unident.) QE061399
5
Leptophlebiidae (Unident.) QE069999
1
Odonata QO 1 3
Gomphidae (Unident.) QO139999
1
Plecoptera QP 2 10
Gripopterygidae (Unident.) QP039999
2
Trichoptera QT 2 8
Lectrides sp.(Unident.) QT250299
2
ORDER
SIGNALT 4.9
Weighted SIGNALT 4.7