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

bridge on Arbury Park Rd Freeway Bridge 3255) 3255

Source	Australian Water Quality Centre
Latest Sample Date	09-05-1998
Taxa count ORDER	13
Taxa count FAMILY	28
Taxa count ALT	34
Mayflies present?	0
	ORDER	FAMILY	ALT
SIGNAL	2.3	2.1	2.1
Weighted SIGNAL	2.2	3.2	2.9

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure, 5.4.1 Urban residential, 5.4.2 Rural residential with agriculture, 5.4.3 Rural residential without agriculture, 5.4.5 Farm buildings/infrastructure, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.6.5 Electricity substations and transmission, 5.7.2 Roads, 5.7.3 Railways, 5.7.5 Navigation and communication	56.43%	1,282,623,238m²
	Pastoral Farming	3.2.0 Grazing modified pastures, 3.2.1 Native/exotic pasture mosaic, 3.2.4 Pasture legume/grass mixtures, 3.2.5 Sown grasses, 4.2.0 Grazing irrigated modified pastures	12.41%	281,972,133m²
	Arable Farming	3.3.0 Cropping, 3.3.3 Hay and silage, 4.4.0 Irrigated perennial horticulture, 4.4.1 Irrigated tree fruits, 4.4.9 Irrigated grapes, 4.5.3 Irrigated seasonal vegetables and herbs	12.19%	276,972,627m²
	Minimal Use	1.3.3 Residual native cover, 2.1.0 Grazing native vegetation	9.07%	206,229,618m²
	Natural	1.1.3 National park, 1.1.4 Natural feature protection, 1.1.7 Other conserved area, 1.2.4 Landscape	7.84%	178,232,385m²
	Industrial	5.3.0 Manufacturing and industrial, 5.5.1 Commercial services	0.55%	12,498,765m²
	Forestry Plantation	3.1.2 Softwood plantation forestry, 3.1.4 Environmental forest plantation	0.54%	12,248,789m²
	Intensive Arable Farming	5.1.0 Intensive horticulture, 5.1.1 Production nurseries	0.38%	8,749,135m²
	Water	6.2.2 Water storage - intensive use/farm dams	0.34%	7,749,234m²
	Unknown	3.6.0 Land in transition, 3.6.4 No defined use, 4.6.0 Irrigated land in transition, 4.6.1 Degraded irrigated land	0.22%	4,999,506m²
	Forestry	3.1.0 Plantation forests	0.02%	499,951m²
Show minor land uses 6
				22,727,754m²

Waterbug sample history

Sampled on 9 May 1998

Taxa	Abundance	SIGNALT Grade
Unknown IB	2
Hydra sp.(Unident.) IB010199	2
Turbellaria IF	2	2
Turbellaria (Unident.) IF999999	2
Nematoda II	416	3
Nematoda (Unident.) II999999	416
Gastropoda KG	378	1
Potamopyrgus antipodarum KG020601	306
Pseudosuccinea columella KG050301	4
Lymnaeidae (Unident.) KG059999	2
Glyptophysa sp.(Unident.) KG070299	10
Planorbidae (Unident.) KG079999	2
Physa acuta KG080101	54
Bivalvia KP	14	3
Sphaeriidae (Unident.) KP039999	14
Oligochaeta LO	766	2
Tubificidae (Unident.) LO049999	362
Chaetogaster sp.(Unident.) LO050799	2
Naididae (Unident.) LO059999	2
Enchytraeidae (Unident.) LO089999	360
Oligochaeta (Unident.) LO999999	40
Acarina MM	14	6
Oribatida (Unident.) MM9999A1	4

Mesostigmata (Unident.) MM9999A2	10

Unknown OT	36
Paratya australiensis OT010101	36

Unknown QA	44
Hypogastruridae (Unident.) QA049999	36
Isotomidae (Unident.) QA069999	4
Sminthuridae (Unident.) QA139999	4
Diptera QD	68	3
Tipulidae SRV sp.28 QD0199A8	2
Bezzia sp.(Unident.) QD090499	24

Psychodidae (Unident.) QD129999	2

Muscidae (Unident.) QD899999	6
Paralimnophyes sp (light sp.) QDAF12A2	2
Tanytarsus sp.(Unident.) QDAH0499	2
Chironomus sp.(Unident.) QDAI0499	28

Polypedilum nubiferum QDAI0804	2
Hemiptera QH	24	2
Micronecta annae annae QH650504	4
Micronecta sp.(Unident.) QH650599	4
Enithares bergrothi QH670106	16
Trichoptera QT	4	8
Triplectides similis QT251108	4
Unknown VF	4
Unknown VF000099	4

SIGNALT	2.3
	ORDER
Weighted SIGNALT	2.2