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

Mehi R @ Bronte 65173

Source	Office of Environment and Heritage
Latest Sample Date	03-05-2006
Taxa count ORDER	9
Taxa count FAMILY	17
Taxa count ALT	17
Mayflies present?	4
	ORDER	FAMILY	ALT
SIGNAL	2.7	3.3	1.8
Weighted SIGNAL	3.9		3.1

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Arable Farming	3.3.0 Cropping, 3.4.0 Perennial horticulture, 3.4.2 Olives, 4.3.0 Irrigated cropping, 4.4.0 Irrigated perennial horticulture, 4.4.2 Irrigated olives	55.05%	179,913,176,874m²
	Minimal Use	1.3.0 Other minimal use, 2.1.0 Grazing native vegetation	31.47%	102,860,814,743m²
	Pastoral Farming	3.2.0 Grazing modified pastures	4.05%	13,236,097,481m²
	Natural	1.1.1 Strict nature reserves, 1.1.3 National park, 1.1.7 Other conserved area, 1.2.0 Managed resource protection	3.82%	12,498,855,977m²
	Water	6.2.0 Reservoir/dam, 6.2.2 Water storage - intensive use/farm dams, 6.3.0 River, 6.4.0 Channel/aqueduct, 6.5.0 Marsh/wetland	2.26%	7,381,664,942m²
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure, 5.4.1 Urban residential, 5.4.5 Farm buildings/infrastructure, 5.5.0 Services, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.5.5 Research facilities, 5.6.0 Utilities, 5.6.4 Solar electricity generation, 5.6.5 Electricity substations and transmission, 5.6.7 Water extraction and transmission, 5.7.0 Transport and communication, 5.7.1 Airports/aerodromes, 5.7.2 Roads	1.30%	4,262,950,878m²
	Industrial	5.3.0 Manufacturing and industrial, 5.3.1 General purpose factory, 5.5.1 Commercial services	0.27%	894,989,687m²
	Intensive Pastoral Farming	5.2.0 Intensive animal production, 5.2.2 Feedlots, 5.2.4 Piggeries, 5.2.7 Saleyards/stockyards	0.02%	75,499,130m²
	Mining	5.8.0 Mining, 5.8.2 Quarries	0.02%	53,749,381m²
	Waste Management	5.9.5 Sewage/sewerage	0.01%	25,249,709m²
	Forestry Plantation	3.1.1 Hardwood plantation forestry	0.00%	1,749,980m²
Show minor land uses 7
				3,268,319,839m²

Waterbug sample history

Sampled on 3 May 2006

Taxa	Abundance	SIGNALT Grade
Unknown OH	1
Ostracoda (Unident.) OH999999	1
Unknown OJ	3
Copepoda (Unident.) OJ999999	3
Isopoda OR	4	2
Corallanidae OR099999	4
Unknown OT	13
Palaemonidae (Unident.) OT029999	13

Unknown OV	8
Parastacidae (Unident.) OV019999	8

Diptera QD	13	3
Chaoboridae (Unident.) QD059999	1
Culicidae (Unident.) QD079999	2

Orthocladiinae (Unident.) QDAF9999	5
Chironominae (Unident.) QDAJ9999	5
Ephemeroptera QE	4	9
Baetidae (Unident.) QE029999	2
Caenidae (Unident.) QE089999	2
Hemiptera QH	11	2
Veliidae (Unident.) QH569999	2
Gerridae (Unident.) QH579999	6
Corixidae (Unident.) QH659999	1
Notonectidae (Unident.) QH679999	2
Trichoptera QT	2	8
Ecnomidae (Unident.) QT089999	1
Leptoceridae (Unident.) QT259999	1

SIGNALT	2.7
	ORDER
Weighted SIGNALT	2.2