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

Merran Ck @ Nacurrie Rd MURR116

Source	Office of Environment and Heritage
Latest Sample Date	21-05-1999
Taxa count ORDER	5
Taxa count FAMILY	8
Taxa count ALT	8
Mayflies present?	10
	ORDER	FAMILY	ALT
SIGNAL	4.4	4.1	3.2
Weighted SIGNAL	3.9		5.1

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Arable Farming	3.3.0 Cropping, 4.3.0 Irrigated cropping	35.83%	3,242,470,173m²
	Pastoral Farming	3.2.0 Grazing modified pastures, 3.2.2 Woody fodder plants, 4.2.0 Grazing irrigated modified pastures	32.12%	2,906,852,644m²
	Minimal Use	2.1.0 Grazing native vegetation	29.35%	2,656,451,479m²
	Water	6.3.0 River, 6.5.0 Marsh/wetland	2.39%	215,914,777m²
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure, 5.4.5 Farm buildings/infrastructure	0.29%	25,989,742m²
	Natural	1.2.0 Managed resource protection	0.02%	2,249,112m²
Show minor land uses 3
				90,499,279m²

Waterbug sample history

Sampled on 21 May 1999

Taxa	Abundance	SIGNALT Grade
Unknown OT	18
Atyidae (Unident.) OT019999	12

Palaemonidae (Unident.) OT029999	6

Diptera QD	2	3
Chironominae (Unident.) QDAJ9999	2
Ephemeroptera QE	10	9
Baetidae (Unident.) QE029999	2
Leptophlebiidae (Unident.) QE069999	8
Hemiptera QH	103	2
Corixidae (Unident.) QH659999	99
Notonectidae (Unident.) QH679999	4
Trichoptera QT	12	8
Leptoceridae (Unident.) QT259999	12

SIGNALT	4.4
	ORDER
Weighted SIGNALT	4.2

Sampled on 29 November 1998

Taxa	Abundance	SIGNALT Grade
Unknown OT	7
Atyidae (Unident.) OT019999	6

Palaemonidae (Unident.) OT029999	1

Diptera QD	5	3
Chironominae (Unident.) QDAJ9999	5
Ephemeroptera QE	1	9
Caenidae (Unident.) QE089999	1
Hemiptera QH	331	2
Corixidae (Unident.) QH659999	331
Trichoptera QT	6	8
Leptoceridae (Unident.) QT259999	6

SIGNALT	4.4
	ORDER
Weighted SIGNALT	3.5

Sampled on 7 June 1998

Taxa	Abundance	SIGNALT Grade
Oligochaeta LO	2	2
Oligochaeta (Unident.) LO999999	2
Unknown OT	141
Atyidae (Unident.) OT019999	116

Palaemonidae (Unident.) OT029999	25

Hemiptera QH	131	2
Veliidae (Unident.) QH569999	2
Corixidae (Unident.) QH659999	121
Notonectidae (Unident.) QH679999	8
Odonata QO	1	3
Gomphidae (Unident.) QO139999	1

SIGNALT	1.8
	ORDER
Weighted SIGNALT	1.2

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