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

Darwin River @ Old Bynoe Rd EE210409DW47

Source	Department of Environment and Natural Resources (Daly River)
Latest Sample Date	01-01-2009
Taxa count ORDER	11
Taxa count FAMILY	29
Taxa count ALT	41
Mayflies present?	18
	ORDER	FAMILY	ALT
SIGNAL	3.1	3.2	2.7
Weighted SIGNAL	3.8	3.5	5.1

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Water	6.2.1 Reservoir, 6.2.2 Water storage - intensive use/farm dams	74.88%	18,858,752,443m²
	Minimal Use	1.2.5 Traditional indigenous uses, 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation	14.71%	3,705,103,130m²
	Residential And Infrastructure	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, 5.6.7 Water extraction and transmission, 5.7.2 Roads, 5.7.5 Navigation and communication	8.48%	2,134,915,372m²
	Pastoral Farming	3.2.0 Grazing modified pastures	0.87%	218,991,319m²
	Arable Farming	3.3.3 Hay and silage, 4.3.0 Irrigated cropping, 4.4.1 Irrigated tree fruits, 4.5.3 Irrigated seasonal vegetables and herbs	0.83%	208,241,745m²
	Unknown	3.6.4 No defined use, 4.6.2 Abandoned irrigated land, 4.6.5 Abandoned irrigated perennial horticulture	0.13%	31,748,741m²
	Natural	1.1.7 Other conserved area	0.11%	27,498,910m²
Show minor land uses 4
				251,852,517m²

Waterbug sample history

Sampled on 1 January 2009

Taxa	Abundance	SIGNALT Grade
Nematoda II	1	3
Nematoda (Unident.) II999999	1
Hirudinea LH	1	1
Hirudinea (Unident.) LH999999	1
Unknown OT	181
Caridina sp.(Unident.) OT010399	174

Macrobrachium sp.(Unident.) OT020199	7

Unknown OV	2
Cherax sp.(Unident.) OV010199	2

Coleoptera QC	20	5
Hydrovatus sp.(Unident.) QC090399	2

Hydraena sp.(Unident.) QC130199	2

Austrolimnius sp.(Unident.) QC340199	12

Hydrochus sp.(Unident.) QCAO0199	4

Diptera QD	54	3
Tipulidae (Unident.) QD019999	1
Ceratopogoninae (Unident.) QD0999I1	28

Coelopynia sp.(Unident.) QDAE0299	1
Ablabesmyia sp.(Unident.) QDAE1199	2
Paramerina sp.(Unident.) QDAE1299	1
?Telmatopelopia sp.(Unident.) QDAE1899	1
Parakiefferiella sp.(Unident.) QDAF0399	2
Riethia sp.(Unident.) QDAG0199	1
Paratanytarsus sp.(Unident.) QDAH0699	1
Rheotanytarsus sp.(Unident.) QDAH0799	1
Stenochironomus sp.(Unident.) QDAI0299	4
Dicrotendipes sp.(Unident.) QDAI0699	1
Polypedilum sp.(Unident.) QDAI0899	4
Paratendipes sp.(Unident.) QDAI1099	1
Cryptochironomus sp.(Unident.) QDAI1999	2

Harnischia sp.(Unident.) QDAI2399	2
Chironomidae (Unident.) (Pupa) QDAZ999I	1
Ephemeroptera QE	18	9
Cloeon sp.(Unident.) QE020299	1
Pseudocloeon sp.(Unident.) QE020599	4
Atalophlebia sp.(Unident.) QE060199	5
Tasmanocoenis sp.(Unident.) QE080199	8
Hemiptera QH	2	2
Corixidae (Unident.) QH659999	1
Pleidae (Unident.) QH689999	1
Odonata QO	5	3
Austrogomphus sp.(Unident.) QO130499	1
Epiproctophora (Unident.) QO999998	4
Trichoptera QT	46	8
Cheumatopsyche sp.(Unident.) QT060599	1
Ecnomus sp.(Unident.) QT080499	1
Ecnomina sp.(Unident.) (D,E and F groups) QT0899A1	2
Anisocentropus sp.(Unident.) QT240199	2
Oecetis sp.(Unident.) QT250799	17
Triaenodes sp.(Unident.) QT251099	23
Unknown	7
Unknown	7

SIGNALT	3.1
	ORDER
Weighted SIGNALT	3.8