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

Newtown Rivulet at Risdon Rd HOBA24

Source	Department of Primary Industries, Parks, Water and Environment
Latest Sample Date	17-10-2005
Taxa count ORDER	3
Taxa count FAMILY	6
Taxa count ALT	6
Mayflies present?	0
	ORDER	FAMILY	ALT
SIGNAL	2	2.2	1.2
Weighted SIGNAL	2.7		2.5

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Residential And Infrastructure	5.4.1 Urban residential, 5.4.3 Rural residential without agriculture, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.6.5 Electricity substations and transmission, 5.6.6 Gas treatment, storage and transmission, 5.7.2 Roads, 5.7.3 Railways	55.06%	1,149,643,722m²
	Natural	1.1.3 National park, 1.1.7 Other conserved area	25.48%	531,969,460m²
	Minimal Use	1.3.3 Residual native cover, 2.1.0 Grazing native vegetation	7.47%	155,917,775m²
	Industrial	5.3.0 Manufacturing and industrial, 5.5.1 Commercial services	3.88%	80,957,306m²
	Forestry	2.2.0 Production native forests	3.24%	67,714,290m²
	Waste Management	5.9.0 Waste treatment and disposal, 5.9.5 Sewage/sewerage	0.56%	11,743,807m²
	Mining	5.8.2 Quarries	0.38%	7,995,783m²
	Water	6.6.0 Estuary/coastal waters	0.23%	4,747,496m²
	Intensive Arable Farming	5.1.1 Production nurseries	0.01%	249,868m²
Show minor land uses 4
				20,878,989m²

Waterbug sample history

Sampled on 17 October 2005

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	64	1
Hydrobiidae (Unident.) KG029999	62
Planorbidae (Unident.) KG079999	2
Oligochaeta LO	41	2
Oligochaeta (Unident.) LO999999	41
Diptera QD	83	3
Diamesinae (Unident.) QDAB9999	26
Orthocladiinae (Unident.) QDAF9999	53
Chironomidae (Unident.)(Larva) QDAZ9999	4

SIGNALT	2.0
	ORDER
Weighted SIGNALT	2.0

Our waterways under the magnifying glass

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