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

Katherine River, d/s Maud Creek EE300798DA31

Source	Department of Environment and Natural Resources (Daly River)
Latest Sample Date	01-01-1998
Taxa count ORDER	9
Taxa count FAMILY	26
Taxa count ALT	53
Mayflies present?	4
	ORDER	FAMILY	ALT
SIGNAL	4	4.4	2.1
Weighted SIGNAL	4.5	3.6	4.6

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Minimal Use	1.2.5 Traditional indigenous uses, 1.3.1 Defence land - natural areas, 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation	71.78%	558,293,321,548m²
	Natural	1.1.3 National park	27.48%	213,745,984,533m²
	Water	6.3.1 River - conservation, 6.5.1 Marsh/wetland - conservation	0.51%	3,964,518,261m²
	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	0.16%	1,271,755,858m²
	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, 5.7.1 Airports/aerodromes, 5.7.2 Roads, 5.7.5 Navigation and communication	0.04%	339,251,563m²
	Unknown	3.6.4 No defined use, 4.6.4 No defined use (irrigation), 5.8.4 Extractive industry not in use	0.01%	97,250,448m²
	Mining	5.8.1 Mines, 5.8.3 Tailings	0.01%	69,500,320m²
	Pastoral Farming	3.2.1 Native/exotic pasture mosaic, 3.2.5 Sown grasses	0.00%	37,750,174m²
	Industrial	5.5.1 Commercial services	0.00%	7,500,035m²
	Waste Management	5.9.1 Effluent pond, 5.9.2 Landfill	0.00%	4,500,021m²
Show minor land uses 8
				7,778,313,328m²

Waterbug sample history

Sampled on 1 January 1998

Taxa	Abundance	SIGNALT Grade
Oligochaeta LO	5	2
Oligochaeta (Unident.) LO999999	5
Acarina MM	3	6
Hydrodroma sp.(Unident.) MM070199	1

Albia sp.(Unident.) MM190199	1

Oribatida (Unident.) MM9999A1	1

Unknown OJ	1
Cyclopoida (Unident.) OJ399999	1
Unknown OT	13
Caridina gracilirostris OT010302	6

Caridina nilotica OT010304	6

Macrobrachium sp.(Unident.) OT020199	1

Coleoptera QC	6	5
Hydroglyphus leai QC090907	2

Austrolimnius EPA sp.A9 QC3401A8	4

Diptera QD	173	3
Culicidae (Unident.) QD079999	2

Ceratopogoninae (Unident.) QD0999I1	22

Simuliidae (Unident.) QD109999	1

Coelopynia sp.(Unident.) QDAE0299	1
Djalmabatista sp.(Unident.) QDAE0699	29
Ablabesmyia sp.(Unident.) QDAE1199	3
Paramerina sp.(Unident.) QDAE1299	12
Thienemannimyia sp.(Unident.) QDAE1499	1
Nilotanypus sp.(Unident.) QDAE1699	8
Larsia sp.(Unident.) QDAE1799	3
Nanocladius sp.(Unident.) QDAF0499	11
Riethia sp.(Unident.) QDAG0199	3
Stempellinella sp.(Unident.) QDAH0199	4
Stempellina sp.(Unident.) QDAH0299	10
Cladotanytarsus sp.(Unident.) QDAH0399	1
Tanytarsus hardwicki QDAH04HW	2
Tanytarsus micksmithi QDAH04MS	7
Tanytarsus sp. 1 QDAH04T1	2
Tanytarsus sp. 4 QDAH04T4	20
Tanytarsus sp. 5 QDAH04T5	9
Tanytarsus sp. 8 QDAH04T8	1
Paratanytarsus sp.(Unident.) QDAH0699	1
Stenochironomus sp.(Unident.) QDAI0299	3
Dicrotendipes sp.(Unident.) QDAI0699	1
Polypedilum leei QDAI0801	1
Polypedilum sp.(Unident.) QDAI0899	3
Polypedilum D1 QDAI08D1	7
Paratendipes sp.(Unident.) QDAI1099	2
Cryptochironomus sp.(Unident.) QDAI1999	2

Unk genus K1 QDAJ99Q6	1
Ephemeroptera QE	4	9
Cloeon sp.(Unident.) QE020299	1
Thraulus sp.(Unident.) QE061599	1
Tasmanocoenis sp.(Unident.) QE080199	1
Wundacaenis dostini QE080202	1
Odonata QO	8	3
Austrogomphus sp.(Unident.) QO130499	1
Epiproctophora (Unident.) QO999998	7
Trichoptera QT	21	8
Hellyethira sp.(Unident.) QT030499	4
Orthotrichia sp.(Unident.) QT030999	1
Ecnomus sp.(Unident.) QT080499	6
Ecnomina sp.(Unident.) (D,E and F groups) QT0899A1	2
Oecetis sp.(Unident.) QT250799	6
Triaenodes sp.(Unident.) QT251099	1
Triplectides sp.(Unident.) QT251199	1

SIGNALT	4.0
	ORDER
Weighted SIGNALT	4.2