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

Megalong Ck replicate of HAWK10 HAWK90

Source	Office of Environment and Heritage
Latest Sample Date	31-07-1997
Taxa count ORDER	14
Taxa count FAMILY	42
Taxa count ALT	42
Mayflies present?	92
	ORDER	FAMILY	ALT
SIGNAL	4.1	4.8	3.7
Weighted SIGNAL	5.3		5.4

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Minimal Use	1.3.0 Other minimal use, 2.1.0 Grazing native vegetation	76.80%	2,018,236,547m²
	Natural	1.1.3 National park	15.47%	406,646,546m²
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure, 5.4.1 Urban residential, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.6.5 Electricity substations and transmission, 5.7.0 Transport and communication, 5.7.2 Roads, 5.7.3 Railways	4.91%	128,967,190m²
	Water	6.3.0 River	1.69%	44,488,682m²
	Pastoral Farming	3.2.0 Grazing modified pastures	0.83%	21,744,468m²
	Arable Farming	3.3.0 Cropping	0.29%	7,748,029m²
	Industrial	5.5.1 Commercial services	0.01%	249,936m²
Show minor land uses 4
				26,280,814m²

Waterbug sample history

Sampled on 31 July 1997

Taxa	Abundance	SIGNALT Grade
Oligochaeta LO	2	2
Oligochaeta (Unident.) LO999999	2
Acarina MM	4	6
Mites (Unident.) MM999999	4

Unknown OH	1
Ostracoda (Unident.) OH999999	1
Unknown OT	40
Atyidae (Unident.) OT019999	40

Unknown QA	5
Collembola (Unident.) QA999999	5
Coleoptera QC	5	5
Dytiscidae (Unident.) QC099999	1
Scirtidae (Unident.) QC209999	2

Limnichidae (Unident.) QC359999	2
Diptera QD	74	3
Tipulidae (Unident.) QD019999	4
Dixidae (Unident.) QD069999	22

Culicidae (Unident.) QD079999	6

Ceratopogonidae (Unident.) QD099999	2

Simuliidae (Unident.) QD109999	1

Podonominae (Unident.) QDAD9999	7
Tanypodinae (Unident.) QDAE9999	1
Orthocladiinae (Unident.) QDAF9999	14
Chironominae (Unident.) QDAJ9999	16
Chironomidae (Unident.)(Larva) QDAZ9999	1
Ephemeroptera QE	92	9
Baetidae (Unident.) QE029999	26
Oniscigastridae (Unident.) QE039999	10
Coloburiscidae (Unident.) QE059999	14
Leptophlebiidae (Unident.) QE069999	42
Hemiptera QH	12	2
Veliidae (Unident.) QH569999	1
Gerridae (Unident.) QH579999	8
Notonectidae (Unident.) QH679999	3
Lepidoptera QL	1	2
Crambidae (Unident.) QL019999	1

Megaloptera QM	2	8
Corydalidae (Unident.) QM019999	2

Odonata QO	12	3
Megapodagrionidae (Unident.) QO079999	3
Synlestidae (Unident.) QO089999	2
Aeshnidae (Unident.) QO129999	5
Gomphidae (Unident.) QO139999	1
Corduliidae (Unident.) QO169999	1
Plecoptera QP	26	10
Gripopterygidae (Unident.) QP039999	26
Trichoptera QT	196	8
Hydrobiosidae (Unident.) QT019999	5
Philopotamidae (Unident.) QT049999	12
Hydropsychidae (Unident.) QT069999	8
Ecnomidae (Unident.) QT089999	2
Helicopsychidae (Unident.) QT179999	1
Philorheithridae (Unident.) QT219999	1
Odontoceridae (Unident.) QT229999	1
Calamoceratidae (Unident.) QT249999	7
Leptoceridae (Unident.) QT259999	159

SIGNALT	4.1
	ORDER
Weighted SIGNALT	4.7