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

Howard River u/s Gunn Point Road EE240510DW43

Source Department of Environment and Natural Resources (Daly River)
Latest Sample Date 01-01-2010
Taxa count ORDER 9
Taxa count FAMILY 23
Taxa count ALT 31
Mayflies present? 80
ORDER FAMILY ALT
SIGNAL 4.1 4.6 2.9
Weighted SIGNAL 5.5 2.6 4.9

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Residential And Infrastructure 5.4.1 Urban residential, 5.4.2 Rural residential with agriculture, 5.4.3 Rural residential without agriculture, 5.4.5 Farm buildings/infrastructure, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.5.4 Defence facilities - urban, 5.6.5 Electricity substations and transmission, 5.6.7 Water extraction and transmission, 5.7.2 Roads, 5.7.3 Railways 42.57% 7,021,264,339m2
  Minimal Use 1.3.1 Defence land - natural areas, 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 27.13% 4,475,668,502m2
  Natural 1.1.7 Other conserved area 24.69% 4,072,403,319m2
Show minor land uses 8
164,953,710m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Nematoda II 2 3
Nematoda (Unident.) II999999
2
Gastropoda KG 1 1
Ferrissia sp.(Unident.) KG060199
1
Oligochaeta LO 2 2
Oligochaeta (Unident.) LO999999
2
Acarina MM 15 6
Oribatida (Unident.) MM9999A1
15
Oribatida (Unident.)
Unknown OT 75
Caridina sp.(Unident.) OT010399
72
Caridina sp.(Unident.)
Caridina sp.(Unident.)
Caridinides wilkinsi OT010401
2
Caridinides wilkinsi
Caridinides wilkinsi
Macrobrachium sp.(Unident.) OT020199
1
Macrobrachium sp.(Unident.)
Coleoptera QC 14 5
Notomicrus sp.(Unident.) QC080499
4
Notomicrus sp.(Unident.)
Notomicrus sp.(Unident.)
Hydroglyphus sp.(Unident.) QC090999
4
Hydroglyphus sp.(Unident.)
Hydroglyphus sp.(Unident.)
Hydraena sp.(Unident.) QC130199
3
Hydraena sp.(Unident.)
Austrolimnius sp.(Unident.) QC340199
2
Austrolimnius sp.(Unident.)
Hydrochus sp.(Unident.) QCAO0199
1
Hydrochus sp.(Unident.)
Diptera QD 58 3
Ceratopogoninae (Unident.) QD0999I1
20
Ceratopogoninae (Unident.)
Clinotanypus sp.(Unident.) QDAE0199
10
Coelopynia sp.(Unident.) QDAE0299
1
Fittkauimyia sp.(Unident.) QDAE0499
2
Djalmabatista sp.(Unident.) QDAE0699
1
Procladius sp.(Unident.) QDAE0899
1
Corynoneura sp.(Unident.) QDAF0699
5
Tanytarsus sp.(Unident.) QDAH0499
6
Paratanytarsus sp.(Unident.) QDAH0699
1
Xenochironomus sp.(Unident.) QDAI0599
1
Dicrotendipes sp.(Unident.) QDAI0699
2
Polypedilum sp.(Unident.) QDAI0899
7
?Stictochironomus QDAJ99Q4
1
Ephemeroptera QE 80 9
Cloeon sp.(Unident.) QE020299
3
Thraulus sp.(Unident.) QE061599
71
Tasmanocoenis sp.(Unident.) QE080199
6
Trichoptera QT 10 8
Ecnomus sp.(Unident.) QT080499
2
Anisocentropus sp.(Unident.) QT240199
1
Oecetis sp.(Unident.) QT250799
7
ORDER
SIGNALT 4.1
Weighted SIGNALT 4.6