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

Katherine River, boat ramp at high level bridge EE310798DA29

Source	Department of Environment and Natural Resources (Daly River)
Latest Sample Date	01-01-1998
Taxa count ORDER	8
Taxa count FAMILY	26
Taxa count ALT	45
Mayflies present?	95
	ORDER	FAMILY	ALT
SIGNAL	4.5	4.2	2.5
Weighted SIGNAL	4	4.4	3.7

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Minimal Use	1.2.5 Traditional indigenous uses, 1.3.0 Other minimal use, 1.3.1 Defence land - natural areas, 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation	73.20%	612,732,309,987m²
	Natural	1.1.3 National park	25.53%	213,744,323,250m²
	Water	6.1.0 Lake, 6.2.2 Water storage - intensive use/farm dams, 6.3.0 River, 6.3.1 River - conservation, 6.4.3 Stormwater, 6.5.1 Marsh/wetland - conservation	0.58%	4,820,484,738m²
	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, 5.6.1 Fuel powered electricity generation, 5.6.5 Electricity substations and transmission, 5.6.6 Gas treatment, storage and transmission, 5.6.7 Water extraction and transmission, 5.7.1 Airports/aerodromes, 5.7.2 Roads, 5.7.3 Railways, 5.7.5 Navigation and communication	0.33%	2,775,741,212m²
	Arable Farming	3.3.3 Hay and silage, 4.3.3 Irrigated hay and silage, 4.4.1 Irrigated tree fruits, 4.4.8 Irrigated citrus, 4.5.1 Irrigated seasonal fruits, 4.5.3 Irrigated seasonal vegetables and herbs	0.25%	2,061,993,471m²
	Pastoral Farming	3.2.1 Native/exotic pasture mosaic, 3.2.5 Sown grasses	0.07%	547,998,265m²
	Unknown	3.6.4 No defined use, 4.6.4 No defined use (irrigation), 4.6.5 Abandoned irrigated perennial horticulture, 5.8.4 Extractive industry not in use	0.02%	151,249,521m²
	Industrial	5.5.1 Commercial services	0.02%	133,249,578m²
	Mining	5.8.1 Mines, 5.8.2 Quarries, 5.8.3 Tailings	0.01%	101,999,677m²
	Forestry Plantation	3.1.1 Hardwood plantation forestry, 4.1.3 Irrigated other forest production	0.00%	9,499,970m²
	Waste Management	5.9.1 Effluent pond, 5.9.2 Landfill	0.00%	9,249,971m²
	Intensive Arable Farming	5.1.1 Production nurseries, 5.1.2 Shadehouses	0.00%	5,499,983m²
Show minor land uses 10
				8,370,935,996m²

Waterbug sample history

Sampled on 1 January 1998

Taxa	Abundance	SIGNALT Grade
Acarina MM	5	6
Hydrodroma sp.(Unident.) MM070199	1

Limnesia sp.(Unident.) MM120199	1

Koenikea sp.(Unident.) MM160299	1

Unionicolidae (Unident.) MM169999	1

Melenaturus sp.(Unident.) MM190899	1

Unknown OT	93
Caridina gracilirostris OT010302	72

Caridina nilotica OT010304	6

Caridina serratirostris OT010305	14

Macrobrachium sp.(Unident.) OT020199	1

Coleoptera QC	17	5
Laccophilus walkeri QC090103	2

Laccophilus clarki QC090105	2

Hydroglyphus leai QC090907	2

Helochares tatei QC1112Q1	3

Paracymus pygmaeus QC111601	3

Hydraena sp.(Unident.) QC130199	3

Austrolimnius EPA sp.A9 QC3401A8	2

Diptera QD	34	3
Ceratopogoninae (Unident.) QD0999I1	4

Fittkauimyia sp.(Unident.) QDAE0499	1
Djalmabatista sp.(Unident.) QDAE0699	3
Ablabesmyia hilli QDAE1101	1
Paramerina sp.(Unident.) QDAE1299	10
Larsia sp.(Unident.) QDAE1799	4
Nanocladius sp.(Unident.) QDAF0499	1
Cladotanytarsus sp.(Unident.) QDAH0399	3
Paratanytarsus sp.(Unident.) QDAH0699	2
Dicrotendipes sp.(Unident.) QDAI0699	1
Polypedilum D1 QDAI08D1	1
Polypedilum D3 QDAI08D3	1
Paratendipes sp.(Unident.) QDAI1099	2
Ephemeroptera QE	95	9
Cloeon sp.(Unident.) QE020299	33
Tasmanocoenis sp.(Unident.) QE080199	12
Wundacaenis dostini QE080202	50
Hemiptera QH	24	2
Mesoveliidae (Unident.) QH529999	1
Veliidae (Unident.) QH569999	1
Corixidae (Unident.) QH659999	12
Notonectidae (Unident.) QH679999	4
Pleidae (Unident.) QH689999	6
Odonata QO	29	3
Austrogomphus sp.(Unident.) QO130499	1
Zygoptera (Unident.) QO999997	2
Epiproctophora (Unident.) QO999998	26
Trichoptera QT	5	8
Hellyethira sp.(Unident.) QT030499	1
Orthotrichia sp.(Unident.) QT030999	1
Oecetis sp.(Unident.) QT250799	1
Triaenodes sp.(Unident.) QT251099	1
Triplectides sp.(Unident.) QT251199	1

SIGNALT	4.5
	ORDER
Weighted SIGNALT	4.0