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

Katherine River, d/s Snowdrop Creek EE120797DA22

Source	Department of Environment and Natural Resources (Daly River)
Latest Sample Date	01-01-1997
Taxa count ORDER	11
Taxa count FAMILY	28
Taxa count ALT	58
Mayflies present?	43
	ORDER	FAMILY	ALT
SIGNAL	3.7	4.4	2.3
Weighted SIGNAL	5.8	4.2	4.9

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Minimal Use	1.2.5 Traditional indigenous uses	99.73%	155,288,591,525m²
	Water	6.5.1 Marsh/wetland - conservation	0.27%	417,517,722m²
Show minor land uses 1
				1,557,061,092m²

Waterbug sample history

Sampled on 1 January 1997

Taxa	Abundance	SIGNALT Grade
Bivalvia KP	1	3
Velesunio sp.(Unident.) KP010499	1
Oligochaeta LO	2	2
Oligochaeta (Unident.) LO999999	2
Acarina MM	10	6
Hydrodroma sp.(Unident.) MM070199	5

Limnesia sp.(Unident.) MM120199	2

Coaustraliobates sp.(Unident.) MM150699	1

Recifella sp.(Unident.) MM160599	1

Unionicolidae (Unident.) MM169999	1

Unknown OJ	4
Cyclopoida (Unident.) OJ399999	4
Unknown OT	1
Macrobrachium sp.(Unident.) OT020199	1

Coleoptera QC	13	5
Neohydrocoptus subfasciatus QC080301	2

Tiporus collaris QC091701	3

Sternopriscus aquilonaris QC0918Q1	3

Sternopriscus alligatorensis QC0918Q2	3

Hydraena sp.(Unident.) QC130199	1

Austrolimnius sp. 9 (larva) QC3401L9	1

Diptera QD	119	3
Ceratopogoninae (Unident.) QD0999I1	10

Tabanidae (Unident.) QD239999	1
Aphroteniella sp.(Unident.) QDAA0299	1
Djalmabatista sp.(Unident.) QDAE0699	7
Procladius sp.(Unident.) QDAE0899	1
Ablabesmyia sp.(Unident.) QDAE1199	4
Paramerina sp.(Unident.) QDAE1299	10
Nilotanypus sp.(Unident.) QDAE1699	4
Larsia sp.(Unident.) QDAE1799	6
?Ablabesmyia (2 segs) QDAE99Q1	1
Riethia sp.(Unident.) QDAG0199	3
Stempellinella sp.(Unident.) QDAH0199	13
Stempellina sp.(Unident.) QDAH0299	4
Cladotanytarsus sp.(Unident.) QDAH0399	5
Tanytarsus hardwicki QDAH04HW	3
Tanytarsus micksmithi QDAH04MS	2
Tanytarsus sp. 1 QDAH04T1	2
Tanytarsus sp. 4 QDAH04T4	1
Tanytarsus sp. 8 QDAH04T8	2
Paratanytarsus sp.(Unident.) QDAH0699	6
Dicrotendipes sp.(Unident.) QDAI0699	2
Polypedilum leei QDAI0801	1
Polypedilum sp.(Unident.) QDAI0899	8
Polypedilum D1 QDAI08D1	1
Polypedilum D3 QDAI08D3	3
Paratendipes sp.(Unident.) QDAI1099	1
Skusella sp.(Unident.) QDAI1399	3
Conochironomus sp.(Unident.) QDAI1499	10

Microchironomus sp.(Unident.) QDAI2199	4

Ephemeroptera QE	43	9
Thraulus sp.(Unident.) QE061599	2
Tasmanocoenis sp.(Unident.) QE080199	40
Wundacaenis dostini QE080202	1
Hemiptera QH	3	2
Ranatra sp.(Unident.) QH610299	1
Pleidae (Unident.) QH689999	2
Odonata QO	6	3
Antipodogomphus sp.(Unident.) QO130199	1
Austrogomphus sp.(Unident.) QO130499	2
Zygoptera (Unident.) QO999997	1
Epiproctophora (Unident.) QO999998	2
Trichoptera QT	43	8
Hellyethira sp.(Unident.) QT030499	5
Ecnomus sp.(Unident.) QT080499	5
Oecetis sp.(Unident.) QT250799	23
Triaenodes sp.(Unident.) QT251099	9
Triplectides sp.(Unident.) QT251199	1

SIGNALT	3.7
	ORDER
Weighted SIGNALT	4.9