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

Namoi River @ Manilla railway Bridge NAMO504

Source Office of Environment and Heritage
Latest Sample Date 18-11-1997
Taxa count ORDER 11
Taxa count FAMILY 27
Taxa count ALT 27
Mayflies present? 137
ORDER FAMILY ALT
SIGNAL 3.9 4.6 3.7
Weighted SIGNAL 5.3 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 60.14% 312,613,811,219m2
  Pastoral Farming 3.2.0 Grazing modified pastures, 3.2.5 Sown grasses 29.15% 151,511,551,129m2
  Arable Farming 3.3.0 Cropping, 3.4.0 Perennial horticulture, 3.4.2 Olives, 4.3.0 Irrigated cropping, 4.4.2 Irrigated olives 6.54% 33,972,740,197m2
Show minor land uses 9
5,197,933,252m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Turbellaria IF 1 2
Dugesiidae (Unident.) IF619999
1
Bivalvia KP 12 3
Corbiculidae (Unident.) KP029999
12
Unknown OT 3
Palaemonidae (Unident.) OT029999
3
Palaemonidae (Unident.)
Palaemonidae (Unident.)
Unknown OV 8
Parastacidae (Unident.) OV019999
8
Parastacidae (Unident.)
Parastacidae (Unident.)
Coleoptera QC 53 5
Dytiscidae (Unident.) QC099999
2
Elmidae (Unident.) QC349999
49
Elmidae (Unident.)
Elmidae (Unident.)
Psephenidae (Unident.) QC379999
2
Psephenidae (Unident.)
Psephenidae (Unident.)
Diptera QD 55 3
Tipulidae (Unident.) QD019999
1
Simuliidae (Unident.) QD109999
17
Simuliidae (Unident.)
Tabanidae (Unident.) QD239999
1
Orthocladiinae (Unident.) QDAF9999
20
Chironominae (Unident.) QDAJ9999
16
Ephemeroptera QE 137 9
Baetidae (Unident.) QE029999
10
Leptophlebiidae (Unident.) QE069999
96
Caenidae (Unident.) QE089999
31
Hemiptera QH 315 2
Gerridae (Unident.) QH579999
4
Corixidae (Unident.) QH659999
298
Notonectidae (Unident.) QH679999
13
Megaloptera QM 8 8
Corydalidae (Unident.) QM019999
8
Corydalidae (Unident.)
Odonata QO 5 3
Coenagrionidae (Unident.) QO029999
3
Gomphidae (Unident.) QO139999
1
Corduliidae (Unident.) QO169999
1
Trichoptera QT 149 8
Hydrobiosidae (Unident.) QT019999
1
Philopotamidae (Unident.) QT049999
3
Hydropsychidae (Unident.) QT069999
118
Ecnomidae (Unident.) QT089999
1
Leptoceridae (Unident.) QT259999
26
ORDER
SIGNALT 3.9
Weighted SIGNALT 4.5
Taxa Abundance SIGNALT Grade
Turbellaria IF 2 2
Dugesiidae (Unident.) IF619999
2
Oligochaeta LO 1 2
Oligochaeta (Unident.) LO999999
1
Unknown OT 6
Atyidae (Unident.) OT019999
2
Atyidae (Unident.)
Atyidae (Unident.)
Palaemonidae (Unident.) OT029999
4
Palaemonidae (Unident.)
Palaemonidae (Unident.)
Coleoptera QC 9 5
Dytiscidae (Unident.) QC099999
1
Hydraenidae (Unident.) QC139999
1
Hydraenidae (Unident.)
Elmidae (Unident.) QC349999
7
Elmidae (Unident.)
Diptera QD 55 3
Tanypodinae (Unident.) QDAE9999
10
Orthocladiinae (Unident.) QDAF9999
12
Chironominae (Unident.) QDAJ9999
33
Ephemeroptera QE 168 9
Baetidae (Unident.) QE029999
46
Leptophlebiidae (Unident.) QE069999
89
Caenidae (Unident.) QE089999
33
Hemiptera QH 41 2
Nepidae (Unident.) QH619999
1
Corixidae (Unident.) QH659999
39
Notonectidae (Unident.) QH679999
1
Odonata QO 3 3
Protoneuridae (Unident.) QO049999
3
Trichoptera QT 98 8
Hydrobiosidae (Unident.) QT019999
3
Philopotamidae (Unident.) QT049999
1
Hydropsychidae (Unident.) QT069999
78
Leptoceridae (Unident.) QT259999
16
ORDER
SIGNALT 3.8
Weighted SIGNALT 4.5