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

u/s Lower Homestead rd. YAR2186

Source	Melbourne Water
Latest Sample Date	08-04-2008
Taxa count ORDER	6
Taxa count FAMILY	8
Taxa count ALT	10
Mayflies present?	0
	ORDER	FAMILY	ALT
SIGNAL	3.5	3.1	1.8
Weighted SIGNAL	2	2	2.6

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Natural	1.1.1 Strict nature reserves, 1.1.3 National park, 1.1.4 Natural feature protection, 1.1.6 Protected landscape, 1.1.7 Other conserved area	37.52%	82,484,726,048m²
	Forestry	2.2.0 Production native forests, 3.1.0 Plantation forests	19.92%	43,780,104,596m²
	Pastoral Farming	3.2.0 Grazing modified pastures	17.15%	37,711,874,750m²
	Residential And Infrastructure	5.4.1 Urban residential, 5.4.2 Rural residential with agriculture, 5.4.3 Rural residential without agriculture, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.6.0 Utilities, 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, 5.7.3 Railways, 5.7.5 Navigation and communication	16.44%	36,146,379,949m²
	Arable Farming	3.3.0 Cropping, 3.4.0 Perennial horticulture, 3.4.5 Shrub berries and fruits, 3.4.6 Perennial flowers and bulbs, 3.4.9 Grapes, 3.5.3 Seasonal vegetables and herbs	7.44%	16,361,695,659m²
	Unknown	3.6.4 No defined use, 5.8.4 Extractive industry not in use	0.44%	956,996,822m²
	Minimal Use	1.3.0 Other minimal use	0.35%	775,997,423m²
	Intensive Arable Farming	5.1.1 Production nurseries	0.25%	542,248,199m²
	Industrial	5.3.0 Manufacturing and industrial, 5.3.1 General purpose factory, 5.3.2 Food processing factory, 5.3.7 Sawmill, 5.5.1 Commercial services	0.14%	313,498,959m²
	Water	6.2.1 Reservoir, 6.3.0 River, 6.4.1 Supply channel/aqueduct	0.13%	276,499,082m²
	Waste Management	5.9.0 Waste treatment and disposal, 5.9.2 Landfill, 5.9.5 Sewage/sewerage	0.10%	220,249,268m²
	Mining	5.8.2 Quarries	0.06%	142,749,526m²
	Intensive Pastoral Farming	5.2.3 Poultry farms, 5.2.5 Aquaculture, 5.2.6 Horse studs	0.05%	116,749,612m²
	Forestry Plantation	3.1.2 Softwood plantation forestry	0.00%	3,999,987m²
Show minor land uses 9
				2,198,337,699m²

Waterbug sample history

Sampled on 8 April 2008

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	10	2
Dugesiidae (Unident.) IF619999	10
Acarina MM	27	6
Mites (Unident.) MM999999	27

Unknown OT	22
Atyidae (Unident.) OT019999	22

Diptera QD	1	3
Orthocladiinae (Unident.) QDAF9999	1
Hemiptera QH	31	2
Hydrometra strigosa QH540106	2
Microvelia peramoena QH560103	11
Drepanovelia dubia QH560502	2
Veliidae (Unident.) QH569999	6
Corixidae (Unident.) QH659999	10
Trichoptera QT	1	8
Ecnomidae (Unident.) QT089999	1

SIGNALT	3.5
	ORDER
Weighted SIGNALT	2.9

Sampled on 17 October 2007

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	1	1
Physidae (Unident.) KG089999	1
Acarina MM	32	6
Mites (Unident.) MM999999	32

Unknown OT	14
Atyidae (Unident.) OT019999	14

Coleoptera QC	3	5
Hydraenidae (Unident.) QC139999	1

Curculionidae (Unident.) QCAN9999	2

Diptera QD	18	3
Ceratopogonidae (Unident.) QD099999	10

Orthocladiinae (Unident.) QDAF9999	3
Chironominae (Unident.) QDAJ9999	5
Hemiptera QH	53	2
Veliidae (Unident.) QH569999	28
Gerridae (Unident.) QH579999	1
Corixidae (Unident.) QH659999	24

SIGNALT	2.8
	ORDER
Weighted SIGNALT	3.0