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

Youngman Ck @ Marom Ck RICH10

Source	Office of Environment and Heritage
Latest Sample Date	28-10-1995
Taxa count ORDER	9
Taxa count FAMILY	14
Taxa count ALT	14
Mayflies present?	45
	ORDER	FAMILY	ALT
SIGNAL	4.8	6.1	4.8
Weighted SIGNAL	8.5		4.7

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Arable Farming	3.3.2 Beverage and spice crops, 3.4.0 Perennial horticulture, 3.4.1 Tree fruits, 3.4.3 Tree nuts, 3.5.3 Seasonal vegetables and herbs	38.57%	521,318,693m²
	Pastoral Farming	3.2.0 Grazing modified pastures, 3.2.5 Sown grasses	26.37%	356,376,058m²
	Minimal Use	1.3.0 Other minimal use, 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation	18.44%	249,163,345m²
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure, 5.7.2 Roads	9.91%	133,953,413m²
	Water	6.3.0 River, 6.4.0 Channel/aqueduct	3.25%	43,984,703m²
	Intensive Arable Farming	5.1.0 Intensive horticulture, 5.1.2 Shadehouses, 5.1.3 Glasshouses	2.13%	28,740,005m²
	Natural	1.1.1 Strict nature reserves	1.02%	13,745,220m²
	Intensive Pastoral Farming	5.2.6 Horse studs	0.31%	4,248,522m²
Show minor land uses 3
				13,515,300m²

Waterbug sample history

Sampled on 28 October 1995

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	3	2
Dugesiidae (Unident.) IF619999	3
Acarina MM	1	6
Mites (Unident.) MM999999	1

Unknown OT	18
Atyidae (Unident.) OT019999	18

Unknown OV	4
Parastacidae (Unident.) OV019999	4

Coleoptera QC	17	5
Elmidae (Unident.) QC349999	17

Diptera QD	5	3
Tipulidae (Unident.) QD019999	5
Ephemeroptera QE	45	9
Baetidae (Unident.) QE029999	25
Leptophlebiidae (Unident.) QE069999	1
Caenidae (Unident.) QE089999	19
Plecoptera QP	2	10
Gripopterygidae (Unident.) QP039999	2
Trichoptera QT	22	8
Hydroptilidae (Unident.) QT039999	9
Philopotamidae (Unident.) QT049999	1
Hydropsychidae (Unident.) QT069999	4
Conoesucidae (Unident.) QT159999	8

SIGNALT	4.8
	ORDER
Weighted SIGNALT	5.0

Sampled on 6 October 1994

Taxa	Abundance	SIGNALT Grade
Acarina MM	1	6
Mites (Unident.) MM999999	1

Unknown OT	8
Atyidae (Unident.) OT019999	8

Coleoptera QC	15	5
Hydraenidae (Unident.) QC139999	1

Elmidae (Unident.) QC349999	14

Diptera QD	9	3
Tipulidae (Unident.) QD019999	8
Tabanidae (Unident.) QD239999	1
Ephemeroptera QE	58	9
Baetidae (Unident.) QE029999	57
Caenidae (Unident.) QE089999	1
Plecoptera QP	14	10
Gripopterygidae (Unident.) QP039999	14
Trichoptera QT	11	8
Hydropsychidae (Unident.) QT069999	11

SIGNALT	5.9
	ORDER
Weighted SIGNALT	6.3

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