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

Argent River below Renison mine PIEM14

Source	Department of Primary Industries, Parks, Water and Environment
Latest Sample Date	23-09-1997
Taxa count ORDER	4
Taxa count FAMILY	7
Taxa count ALT	7
Mayflies present?	1
	ORDER	FAMILY	ALT
SIGNAL	4.2	3.7	1.9
Weighted SIGNAL	3		3

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Natural	1.1.7 Other conserved area, 1.2.0 Managed resource protection	70.93%	1,346,123,587m²
	Forestry	2.2.0 Production native forests	26.73%	507,202,369m²
	Residential And Infrastructure	5.4.3 Rural residential without agriculture, 5.7.2 Roads, 5.7.3 Railways	0.95%	17,998,310m²
	Water	6.1.1 Lake - conservation, 6.1.2 Lake - production	0.90%	16,998,404m²
	Minimal Use	1.3.3 Residual native cover	0.42%	7,999,249m²
	Industrial	5.3.0 Manufacturing and industrial	0.08%	1,499,859m²
Show minor land uses 4
				18,978,218m²

Waterbug sample history

Sampled on 23 September 1997

Taxa	Abundance	SIGNALT Grade
Oligochaeta LO	41	2
Oligochaeta (Unident.) LO999999	41
Amphipoda OP	21	3
Paramelitidae (Unident.) OP069999	21

Diptera QD	7	3
Diamesinae (Unident.) QDAB9999	1
Tanypodinae (Unident.) QDAE9999	1
Orthocladiinae (Unident.) QDAF9999	1
Chironominae (Unident.) QDAJ9999	4
Ephemeroptera QE	1	9
Leptophlebiidae (Unident.) QE069999	1

SIGNALT	4.2
	ORDER
Weighted SIGNALT	3.1

Sampled on 24 March 1997

Taxa	Abundance	SIGNALT Grade
Oligochaeta LO	11	2
Oligochaeta (Unident.) LO999999	11
Amphipoda OP	6	3
Paramelitidae (Unident.) OP069999	6

Coleoptera QC	1	5
Scirtidae (Unident.) QC209999	1

Diptera QD	19	3
Dixidae (Unident.) QD069999	1

Tanypodinae (Unident.) QDAE9999	5
Orthocladiinae (Unident.) QDAF9999	2
Chironominae (Unident.) QDAJ9999	11
Hemiptera QH	2	2
Veliidae (Unident.) QH569999	2

SIGNALT	3.0
	ORDER
Weighted SIGNALT	2.8

Our waterways under the magnifying glass

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