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

Big Nellie Creek south of Kakadu Highway EE050600MA12

Source	Department of Environment and Natural Resources (Daly River)
Latest Sample Date	01-01-2000
Taxa count ORDER	8
Taxa count FAMILY	19
Taxa count ALT	45
Mayflies present?	76
	ORDER	FAMILY	ALT
SIGNAL	4.5	5.1	2.3
Weighted SIGNAL	6.4	4.5	5.3

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Minimal Use	2.1.0 Grazing native vegetation	99.38%	6,555,254,801m²
	Residential And Infrastructure	5.7.2 Roads	0.62%	41,220,162m²
Show minor land uses 1
				65,964,750m²

Waterbug sample history

Sampled on 1 January 2000

Taxa	Abundance	SIGNALT Grade
Acarina MM	6	6
Coaustraliobates sp.(Unident.) MM150699	1

Hygrobates sp.(Unident.) MM151399	1

Koenikea sp.(Unident.) MM160299	1

Neumania sp.(Unident.) MM160399	1

Recifella sp.(Unident.) MM160599	1

Gretacarus sp.(Unident.) MM210199	1

Unknown OT	2
Macrobrachium sp.(Unident.) OT020199	2

Coleoptera QC	2	5
Hydraena sp.(Unident.) QC130199	2

Diptera QD	126	3
Ceratopogoninae (Unident.) QD0999I1	12

Fittkauimyia sp.(Unident.) QDAE0499	3
Djalmabatista sp.(Unident.) QDAE0699	18
Procladius sp.(Unident.) QDAE0899	8
Ablabesmyia sp.(Unident.) QDAE1199	1
Paramerina sp.(Unident.) QDAE1299	11
Larsia sp.(Unident.) QDAE1799	3
?Ablabesmyia (2 segs) QDAE99Q1	1
Nanocladius sp.(Unident.) QDAF0499	2
Corynoneura sp.(Unident.) QDAF0699	3
Riethia sp.(Unident.) QDAG0199	1
Stempellinella sp.(Unident.) QDAH0199	4
Cladotanytarsus sp.(Unident.) QDAH0399	9
Tanytarsus micksmithi QDAH04MS	1
Tanytarsus sp. 1 QDAH04T1	3
Tanytarsus sp. 4 QDAH04T4	1
Paratanytarsus sp.(Unident.) QDAH0699	2
Rheotanytarsus sp.(Unident.) QDAH0799	7
Stenochironomus sp.(Unident.) QDAI0299	1
Polypedilum watsoni QDAI0810	11
Paratendipes sp.(Unident.) QDAI1099	6
Skusella sp.(Unident.) QDAI1399	1
Conochironomus sp.(Unident.) QDAI1499	10

Cryptochironomus sp.(Unident.) QDAI1999	4

Microchironomus sp.(Unident.) QDAI2199	2

Parachironomus D1 QDAI25D1	1
Ephemeroptera QE	76	9
Cloeon sp.(Unident.) QE020299	6
Thraulus sp.(Unident.) QE061599	3
Tasmanocoenis sp.(Unident.) QE080199	63
Wundacaenis dostini QE080202	4
Hemiptera QH	9	2
Corixidae (Unident.) QH659999	9
Odonata QO	8	3
Zygoptera (Unident.) QO999997	7
Epiproctophora (Unident.) QO999998	1
Trichoptera QT	37	8
Hellyethira sp.(Unident.) QT030499	2
Ecnomus sp.(Unident.) QT080499	2
Oecetis sp.(Unident.) QT250799	17
Triaenodes sp.(Unident.) QT251099	16

SIGNALT	4.5
	ORDER
Weighted SIGNALT	5.3