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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	4	2.7
Weighted SIGNAL	5	6	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