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

spring on Critchley Rd 13109

Source Australian Water Quality Centre
Latest Sample Date 06-06-1998
Taxa count ORDER 6
Taxa count FAMILY 14
Taxa count ALT 17
Mayflies present? 0
ORDER FAMILY ALT
SIGNAL 2.5 2.7 2.2
Weighted SIGNAL 3.3 4 2.8

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Pastoral Farming 3.2.0 Grazing modified pastures, 3.2.1 Native/exotic pasture mosaic, 3.2.4 Pasture legume/grass mixtures 81.46% 701,088,902m2
  Arable Farming 3.3.0 Cropping, 3.3.3 Hay and silage 6.45% 55,499,760m2
  Natural 1.1.7 Other conserved area 5.23% 45,046,891m2
Show minor land uses 4
8,606,196m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Oligochaeta LO 4 2
Tubificidae (Unident.) LO049999
4
Amphipoda OP 252 3
Austrochiltonia australis OP020101
252
Austrochiltonia australis
Austrochiltonia australis
Austrochiltonia australis
Austrochiltonia australis
Austrochiltonia australis
Austrochiltonia australis
Unknown QA 6
Hypogastruridae (Unident.) QA049999
2
Isotomidae (Unident.) QA069999
4
Coleoptera QC 144 5
Necterosoma dispar QC092005
6
Necterosoma dispar
Necterosoma dispar
Necterosoma dispar
Necterosoma dispar
Necterosoma dispar
Necterosoma dispar
Necterosoma sp.(Unident.)(Larva) QC09209I
132
Necterosoma sp.(Unident.)(Larva)
Necterosoma sp.(Unident.)(Larva)
Necterosoma sp.(Unident.)(Larva)
Necterosoma sp.(Unident.)(Larva)
Necterosoma sp.(Unident.)(Larva)
Necterosoma sp.(Unident.)(Larva)
Platynectes decempunctatus (L) QC09220A
4
Platynectes decempunctatus (L)
Platynectes decempunctatus (L)
Ochthebius sp.(Unident.) QC130399
2
Ochthebius sp.(Unident.)
Ochthebius sp.(Unident.)
Diptera QD 486 3
Tipulidae EPA sp.3 QD0199B4
2
Anopheles sp.(Unident.) QD070199
96
Anopheles sp.(Unident.)
Anopheles sp.(Unident.)
Culex sp.(Unident.) QD070799
260
Culex sp.(Unident.)
Culex sp.(Unident.)
Stratiomyidae (Unident.) QD249999
2
Procladius sp.(Unident.) QDAE0899
6
Cricotopus sp.(Unident.) QDAF1599
12
Tanytarsus sp.(Unident.) QDAH0499
64
Chironomus sp.(Unident.) QDAI0499
44
Chironomus sp.(Unident.)
Chironomus sp.(Unident.)
Hemiptera QH 2 2
Anisops thienemanni QH670401
2
ORDER
SIGNALT 2.5
Weighted SIGNALT 2.9