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

Marra CK @ Araluen 62546

Source Office of Environment and Heritage
Latest Sample Date 07-10-2005
Taxa count ORDER 14
Taxa count FAMILY 21
Taxa count ALT 21
Mayflies present? 10
ORDER FAMILY ALT
SIGNAL 2.9 3 2.1
Weighted SIGNAL 3 3.4

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Minimal Use 1.3.0 Other minimal use, 1.3.2 Stock route, 1.3.3 Residual native cover, 1.3.4 Rehabilitation, 2.1.0 Grazing native vegetation 75.33% 144,708,053,783m2
  Arable Farming 3.3.0 Cropping, 3.3.3 Hay and silage, 3.3.6 Cotton, 4.3.0 Irrigated cropping, 4.3.6 Irrigated cotton, 4.4.9 Irrigated grapes 18.70% 35,922,564,861m2
Show minor land uses 6
1,921,093,687m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Nematoda II 1 3
Nematoda (Unident.) II999999
1
Oligochaeta LO 1 2
Oligochaeta (Unident.) LO999999
1
Acarina MM 2 6
Mites (Unident.) MM999999
2
Mites (Unident.)
Unknown OG 27
Cladocera (Unident.) OG999999
27
Unknown OH 27
Ostracoda (Unident.) OH999999
27
Unknown OJ 68
Copepoda (Unident.) OJ999999
68
Unknown OT 5
Atyidae (Unident.) OT019999
4
Atyidae (Unident.)
Atyidae (Unident.)
Atyidae (Unident.)
Atyidae (Unident.)
Palaemonidae (Unident.) OT029999
1
Palaemonidae (Unident.)
Unknown OV 2
Parastacidae (Unident.) OV019999
2
Parastacidae (Unident.)
Parastacidae (Unident.)
Coleoptera QC 21 5
Dytiscidae (Unident.) QC099999
11
Hydrophilidae (Unident.) QC119999
9
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydraenidae (Unident.) QC139999
1
Hydraenidae (Unident.)
Diptera QD 32 3
Culicidae (Unident.) QD079999
10
Culicidae (Unident.)
Culicidae (Unident.)
Tabanidae (Unident.) QD239999
1
Tanypodinae (Unident.) QDAE9999
7
Chironominae (Unident.) QDAJ9999
14
Ephemeroptera QE 10 9
Baetidae (Unident.) QE029999
10
Hemiptera QH 40 2
Corixidae (Unident.) QH659999
32
Notonectidae (Unident.) QH679999
8
Odonata QO 28 3
Corduliidae (Unident.) QO169999
28
Trichoptera QT 4 8
Leptoceridae (Unident.) QT259999
4
ORDER
SIGNALT 2.9
Weighted SIGNALT 2.6