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

Lachlan River @ Battery Crossing Numby LACH507

Source Office of Environment and Heritage
Latest Sample Date 03-12-1997
Taxa count ORDER 9
Taxa count FAMILY 26
Taxa count ALT 26
Mayflies present? 82
ORDER FAMILY ALT
SIGNAL 4 4.4 2.9
Weighted SIGNAL 5.4 4.4

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Pastoral Farming 3.2.0 Grazing modified pastures, 3.2.3 Pasture legumes, 3.2.5 Sown grasses, 4.2.0 Grazing irrigated modified pastures 51.11% 182,154,373,788m2
  Minimal Use 1.3.0 Other minimal use, 1.3.3 Residual native cover, 1.3.4 Rehabilitation, 2.1.0 Grazing native vegetation 38.19% 136,084,282,168m2
  Arable Farming 3.3.0 Cropping, 3.4.0 Perennial horticulture, 3.4.9 Grapes, 4.4.0 Irrigated perennial horticulture, 4.4.2 Irrigated olives 6.07% 21,634,425,625m2
Show minor land uses 9
3,563,780,248m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Acarina MM 3 6
Mites (Unident.) MM999999
3
Mites (Unident.)
Unknown OT 3
Palaemonidae (Unident.) OT029999
3
Palaemonidae (Unident.)
Unknown QA 2
Collembola (Unident.) QA999999
2
Coleoptera QC 82 5
Dytiscidae (Unident.) QC099999
1
Gyrinidae (Unident.) QC109999
81
Gyrinidae (Unident.)
Diptera QD 35 3
Ceratopogonidae (Unident.) QD099999
2
Ceratopogonidae (Unident.)
Simuliidae (Unident.) QD109999
1
Simuliidae (Unident.)
Tanypodinae (Unident.) QDAE9999
2
Orthocladiinae (Unident.) QDAF9999
15
Chironominae (Unident.) QDAJ9999
15
Ephemeroptera QE 82 9
Baetidae (Unident.) QE029999
53
Leptophlebiidae (Unident.) QE069999
9
Caenidae (Unident.) QE089999
20
Hemiptera QH 82 2
Mesoveliidae (Unident.) QH529999
2
Hebridae (Unident.) QH539999
2
Veliidae (Unident.) QH569999
8
Gerridae (Unident.) QH579999
30
Ochteridae (Unident.) QH639999
1
Corixidae (Unident.) QH659999
36
Notonectidae (Unident.) QH679999
3
Odonata QO 1 3
Gomphidae (Unident.) QO139999
1
Trichoptera QT 65 8
Hydroptilidae (Unident.) QT039999
2
Hydropsychidae (Unident.) QT069999
6
Ecnomidae (Unident.) QT089999
11
Calamoceratidae (Unident.) QT249999
4
Leptoceridae (Unident.) QT259999
42
ORDER
SIGNALT 4.0
Weighted SIGNALT 4.8
Taxa Abundance SIGNALT Grade
Gastropoda KG 3 1
Physidae (Unident.) KG089999
3
Oligochaeta LO 3 2
Oligochaeta (Unident.) LO999999
3
Unknown OT 1
Palaemonidae (Unident.) OT029999
1
Palaemonidae (Unident.)
Coleoptera QC 11 5
Dytiscidae (Unident.) QC099999
7
Hydrophilidae (Unident.) QC119999
3
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Chrysomelidae (Unident.) QCAH9999
1
Diptera QD 15 3
Tanypodinae (Unident.) QDAE9999
2
Chironominae (Unident.) QDAJ9999
13
Ephemeroptera QE 52 9
Baetidae (Unident.) QE029999
1
Leptophlebiidae (Unident.) QE069999
36
Caenidae (Unident.) QE089999
15
Hemiptera QH 134 2
Veliidae (Unident.) QH569999
66
Gerridae (Unident.) QH579999
13
Corixidae (Unident.) QH659999
53
Notonectidae (Unident.) QH679999
2
Odonata QO 5 3
Gomphidae (Unident.) QO139999
5
Trichoptera QT 18 8
Ecnomidae (Unident.) QT089999
5
Calamoceratidae (Unident.) QT249999
1
Leptoceridae (Unident.) QT259999
12
ORDER
SIGNALT 3.7
Weighted SIGNALT 4.5