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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 EE200409DW43

Source Department of Environment and Natural Resources (Daly River)
Latest Sample Date 01-01-2009
Taxa count ORDER 11
Taxa count FAMILY 22
Taxa count ALT 32
Mayflies present? 11
ORDER FAMILY ALT
SIGNAL 4.1 4.3 2.6
Weighted SIGNAL 5.6 4.1 4.6

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 5 3
Nematoda (Unident.) II999999
5
Bivalvia KP 2 3
Velesunio sp.(Unident.) KP010499
2
Oligochaeta LO 8 2
Oligochaeta (Unident.) LO999999
8
Acarina MM 9 6
Recifella sp.(Unident.) MM160599
1
Recifella sp.(Unident.)
Oribatida (Unident.) MM9999A1
8
Oribatida (Unident.)
Unknown OT 11
Caridina sp.(Unident.) OT010399
6
Caridina sp.(Unident.)
Caridina sp.(Unident.)
Caridinides wilkinsi OT010401
4
Caridinides wilkinsi
Caridinides wilkinsi
Macrobrachium sp.(Unident.) OT020199
1
Macrobrachium sp.(Unident.)
Coleoptera QC 1 5
Berosus sp.(Unident.) QC110499
1
Berosus sp.(Unident.)
Diptera QD 67 3
Ceratopogoninae (Unident.) QD0999I1
14
Ceratopogoninae (Unident.)
Clinotanypus sp.(Unident.) QDAE0199
5
Coelopynia sp.(Unident.) QDAE0299
1
Fittkauimyia sp.(Unident.) QDAE0499
3
Djalmabatista sp.(Unident.) QDAE0699
1
Ablabesmyia sp.(Unident.) QDAE1199
1
Nanocladius sp.(Unident.) QDAF0499
2
Tanytarsus sp.(Unident.) QDAH0499
10
Paratanytarsus sp.(Unident.) QDAH0699
8
Stenochironomus sp.(Unident.) QDAI0299
2
Dicrotendipes sp.(Unident.) QDAI0699
6
Polypedilum sp.(Unident.) QDAI0899
5
Harnischia sp.(Unident.) QDAI2399
1
?Stictochironomus QDAJ99Q4
3
Chironomidae (Unident.)(Larva) QDAZ9999
5
Ephemeroptera QE 11 9
Cloeon sp.(Unident.) QE020299
4
Thraulus sp.(Unident.) QE061599
4
Tasmanocoenis sp.(Unident.) QE080199
3
Neuroptera QN 2 6
Sisyridae (Unident.) QN059999
2
Sisyridae (Unident.)
Sisyridae (Unident.)
Trichoptera QT 106 8
Anisocentropus sp.(Unident.) QT240199
1
Oecetis sp.(Unident.) QT250799
2
Triaenodes sp.(Unident.) QT251099
103
Unknown 5
Unknown
5
ORDER
SIGNALT 4.1
Weighted SIGNALT 4.4