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

YASS RIVER @ Cowridge 65721

Source	Office of Environment and Heritage
Latest Sample Date	23-10-2006
Taxa count ORDER	14
Taxa count FAMILY	29
Taxa count ALT	29
Mayflies present?	12
	ORDER	FAMILY	ALT
SIGNAL	2.6	3.3	2.2
Weighted SIGNAL	4.4		3.5

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Pastoral Farming	3.2.0 Grazing modified pastures, 3.2.1 Native/exotic pasture mosaic, 3.2.5 Sown grasses	38.90%	53,495,391,694m²
	Minimal Use	1.3.0 Other minimal use, 1.3.1 Defence land - natural areas, 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation	37.23%	51,186,310,041m²
	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, 5.6.5 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	15.65%	21,516,760,872m²
	Arable Farming	3.3.0 Cropping, 3.4.0 Perennial horticulture, 3.4.1 Tree fruits, 3.4.2 Olives, 3.4.9 Grapes, 3.5.3 Seasonal vegetables and herbs, 4.4.1 Irrigated tree fruits	2.50%	3,443,871,782m²
	Water	6.1.1 Lake - conservation, 6.2.0 Reservoir/dam, 6.2.2 Water storage - intensive use/farm dams, 6.3.0 River, 6.5.0 Marsh/wetland	2.37%	3,252,615,018m²
	Natural	1.1.1 Strict nature reserves, 1.1.5 Habitat/species management area, 1.2.0 Managed resource protection, 1.2.1 Biodiversity	2.08%	2,863,601,262m²
	Forestry Plantation	3.1.2 Softwood plantation forestry, 3.1.3 Other forest plantation, 3.1.4 Environmental forest plantation	0.63%	869,530,748m²
	Intensive Pastoral Farming	5.2.0 Intensive animal production, 5.2.2 Feedlots, 5.2.6 Horse studs, 5.2.7 Saleyards/stockyards	0.43%	591,770,926m²
	Industrial	5.3.0 Manufacturing and industrial, 5.3.2 Food processing factory, 5.5.1 Commercial services	0.08%	113,254,005m²
	Forestry	3.1.0 Plantation forests	0.04%	58,752,078m²
	Waste Management	5.9.0 Waste treatment and disposal, 5.9.2 Landfill, 5.9.5 Sewage/sewerage	0.03%	40,251,423m²
	Unknown	3.6.4 No defined use, 5.8.4 Extractive industry not in use	0.02%	33,001,167m²
	Mining	5.8.0 Mining, 5.8.2 Quarries, 5.8.3 Tailings	0.02%	26,750,946m²
	Intensive Arable Farming	5.1.1 Production nurseries, 5.1.2 Shadehouses	0.01%	13,000,460m²
Show minor land uses 11
				1,375,048,624m²

Waterbug sample history

Sampled on 23 October 2006

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	11	1
Ancylidae (Unident.) KG069999	1
Physidae (Unident.) KG089999	10
Unknown MA	1
Araneae (Unident.) MA999999	1
Acarina MM	2	6
Mites (Unident.) MM999999	2

Unknown OG	11
Cladocera (Unident.) OG999999	11
Unknown OH	4
Ostracoda (Unident.) OH999999	4
Unknown OJ	3
Copepoda (Unident.) OJ999999	3
Unknown OT	20
Atyidae (Unident.) OT019999	18

Palaemonidae (Unident.) OT029999	2

Unknown QA	4
Collembola (Unident.) QA999999	4
Coleoptera QC	30	5
Dytiscidae (Unident.) QC099999	15
Gyrinidae (Unident.) QC109999	6

Hydrophilidae (Unident.) QC119999	9

Diptera QD	43	3
Culicidae (Unident.) QD079999	2

Ceratopogonidae (Unident.) QD099999	12

Tanypodinae (Unident.) QDAE9999	17
Orthocladiinae (Unident.) QDAF9999	2
Chironominae (Unident.) QDAJ9999	10
Ephemeroptera QE	12	9
Leptophlebiidae (Unident.) QE069999	1
Caenidae (Unident.) QE089999	11
Hemiptera QH	11	2
Veliidae (Unident.) QH569999	1
Corixidae (Unident.) QH659999	4
Notonectidae (Unident.) QH679999	6
Odonata QO	42	3
Coenagrionidae (Unident.) QO029999	23
Protoneuridae (Unident.) QO049999	1
Aeshnidae (Unident.) QO129999	18
Trichoptera QT	23	8
Hydroptilidae (Unident.) QT039999	10
Calamoceratidae (Unident.) QT249999	2
Leptoceridae (Unident.) QT259999	11

SIGNALT	2.6
	ORDER
Weighted SIGNALT	3.1