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

Gorge Ck nr Clarence R Junction 41225

Source	Office of Environment and Heritage
Latest Sample Date	01-06-2010
Taxa count ORDER	14
Taxa count FAMILY	40
Taxa count ALT	40
Mayflies present?	40
	ORDER	FAMILY	ALT
SIGNAL	3.8	4.2	3.5
Weighted SIGNAL	5		4.7

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Forestry	2.2.0 Production native forests	73.84%	1,057,321,560m²
	Minimal Use	1.3.3 Residual native cover, 2.1.0 Grazing native vegetation	25.15%	360,109,519m²
	Water	6.3.0 River, 6.5.0 Marsh/wetland	0.91%	13,003,955m²
	Pastoral Farming	3.2.0 Grazing modified pastures	0.10%	1,500,456m²
Show minor land uses 2
				14,319,355m²

Waterbug sample history

Sampled on 1 June 2010

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	4	1
Hydrobiidae (Unident.) KG029999	1
Lymnaeidae (Unident.) KG059999	3
Oligochaeta LO	4	2
Oligochaeta (Unident.) LO999999	4
Unknown OH	2
Ostracoda (Unident.) OH999999	2
Unknown OJ	1
Copepoda (Unident.) OJ999999	1
Unknown QA	2
Collembola (Unident.) QA999999	2
Coleoptera QC	26	5
Dytiscidae (Unident.) QC099999	2
Hydrophilidae (Unident.) QC119999	15

Scirtidae (Unident.) QC209999	5

Psephenidae (Unident.) QC379999	4

Diptera QD	41	3
Tipulidae (Unident.) QD019999	2
Dixidae (Unident.) QD069999	5

Ceratopogonidae (Unident.) QD099999	2

Tabanidae (Unident.) QD239999	1
Stratiomyidae (Unident.) QD249999	1
Dolichopodidae (Unident.) QD369999	7
Tanypodinae (Unident.) QDAE9999	11
Orthocladiinae (Unident.) QDAF9999	7
Chironominae (Unident.) QDAJ9999	5
Ephemeroptera QE	40	9
Baetidae (Unident.) QE029999	9
Leptophlebiidae (Unident.) QE069999	25
Caenidae (Unident.) QE089999	6
Hemiptera QH	16	2
Hydrometridae (Unident.) QH549999	3
Veliidae (Unident.) QH569999	9
Gerridae (Unident.) QH579999	2
Corixidae (Unident.) QH659999	1
Notonectidae (Unident.) QH679999	1
Lepidoptera QL	2	2
Crambidae (Unident.) QL019999	2

Megaloptera QM	1	8
Corydalidae (Unident.) QM019999	1

Odonata QO	11	3
Coenagrionidae (Unident.) QO029999	1
Aeshnidae (Unident.) QO129999	1
Gomphidae (Unident.) QO139999	2
Libellulidae (Unident.) QO179999	7
Plecoptera QP	1	10
Gripopterygidae (Unident.) QP039999	1
Trichoptera QT	38	8
Hydrobiosidae (Unident.) QT019999	3
Philopotamidae (Unident.) QT049999	2
Hydropsychidae (Unident.) QT069999	3
Odontoceridae (Unident.) QT229999	1
Calamoceratidae (Unident.) QT249999	13
Leptoceridae (Unident.) QT259999	16

SIGNALT	3.8
	ORDER
Weighted SIGNALT	4.5