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

Mehi R @ Bronte 65173

Source Office of Environment and Heritage
Latest Sample Date 03-05-2006
Taxa count ORDER 9
Taxa count FAMILY 17
Taxa count ALT 17
Mayflies present? 4
ORDER FAMILY ALT
SIGNAL 2.7 3.3 1.8
Weighted SIGNAL 3.9 3.1

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Arable Farming 3.3.0 Cropping, 3.4.0 Perennial horticulture, 3.4.2 Olives, 4.3.0 Irrigated cropping, 4.4.0 Irrigated perennial horticulture, 4.4.2 Irrigated olives 55.05% 179,913,176,874m2
  Minimal Use 1.3.0 Other minimal use, 2.1.0 Grazing native vegetation 31.47% 102,860,814,743m2
  Pastoral Farming 3.2.0 Grazing modified pastures 4.05% 13,236,097,481m2
  Natural 1.1.1 Strict nature reserves, 1.1.3 National park, 1.1.7 Other conserved area, 1.2.0 Managed resource protection 3.82% 12,498,855,977m2
Show minor land uses 7
3,268,319,839m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Unknown OH 1
Ostracoda (Unident.) OH999999
1
Unknown OJ 3
Copepoda (Unident.) OJ999999
3
Isopoda OR 4 2
Corallanidae OR099999
4
Unknown OT 13
Palaemonidae (Unident.) OT029999
13
Palaemonidae (Unident.)
Palaemonidae (Unident.)
Unknown OV 8
Parastacidae (Unident.) OV019999
8
Parastacidae (Unident.)
Parastacidae (Unident.)
Parastacidae (Unident.)
Parastacidae (Unident.)
Diptera QD 13 3
Chaoboridae (Unident.) QD059999
1
Culicidae (Unident.) QD079999
2
Culicidae (Unident.)
Orthocladiinae (Unident.) QDAF9999
5
Chironominae (Unident.) QDAJ9999
5
Ephemeroptera QE 4 9
Baetidae (Unident.) QE029999
2
Caenidae (Unident.) QE089999
2
Hemiptera QH 11 2
Veliidae (Unident.) QH569999
2
Gerridae (Unident.) QH579999
6
Corixidae (Unident.) QH659999
1
Notonectidae (Unident.) QH679999
2
Trichoptera QT 2 8
Ecnomidae (Unident.) QT089999
1
Leptoceridae (Unident.) QT259999
1
ORDER
SIGNALT 2.7
Weighted SIGNALT 2.2