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

Bellinger River at Orama Public School, Darkwood 2514

Source	Waterwatch New South Wales
Latest Sample Date	25-10-2017
Taxa count ORDER	8
Taxa count FAMILY	12
Taxa count ALT	12
Mayflies present?	400
	ORDER	FAMILY	ALT
SIGNAL	3.8	3.7	1.3
Weighted SIGNAL	3.5		4.1

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Natural	1.1.1 Strict nature reserves, 1.1.3 National park, 1.2.0 Managed resource protection	84.59%	31,712,518,183m²
	Forestry	2.2.0 Production native forests	9.33%	3,496,167,373m²
	Minimal Use	1.3.3 Residual native cover, 2.1.0 Grazing native vegetation	4.66%	1,745,833,579m²
	Pastoral Farming	3.2.0 Grazing modified pastures, 3.2.1 Native/exotic pasture mosaic, 3.2.5 Sown grasses	0.60%	223,760,712m²
	Water	6.3.0 River	0.51%	189,509,072m²
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure	0.26%	98,504,716m²
	Arable Farming	3.4.1 Tree fruits	0.06%	24,251,161m²
	Unknown	3.6.5 Abandoned perennial horticulture	0.00%	500,024m²
Show minor land uses 5
				374,910,448m²

Waterbug sample history

Sampled on 25 October 2017

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	20	1
Gastropoda (Unident.) KG999999	20
Oligochaeta LO	12	2
Oligochaeta (Unident.) LO999999	12
Unknown OT	800
Caridea (Unident.) OT999999	800

Coleoptera QC	340	5
Dytiscidae (Unident.) QC099999	40
Elmidae (Unident.) QC349999	200

Coleoptera (Unident.) QCZZ9999	100

Ephemeroptera QE	400	9
Ephemeroptera (Unident.) QE999999	400
Hemiptera QH	324	2
Gerridae (Unident.) QH579999	16
Corixidae (Unident.) QH659999	300
Notonectidae (Unident.) QH679999	8
Odonata QO	8	3
Epiproctophora (Unident.) QO999998	8
Trichoptera QT	100	8
Trichoptera (Unident.) QT999999	100

SIGNALT	3.8
	ORDER
Weighted SIGNALT	3.9

Our waterways under the magnifying glass

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