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

Marsdens Weir site_251

Source	Waterwatch New South Wales (Pre 2013)
Latest Sample Date	31-03-2003
Taxa count ORDER	20
Taxa count FAMILY	28
Taxa count ALT	29
Mayflies present?	24
	ORDER	FAMILY	ALT
SIGNAL	3.5	3.3	0.8
Weighted SIGNAL	3.2	3	2.6

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Pastoral Farming	3.2.0 Grazing modified pastures, 3.2.3 Pasture legumes	40.97%	29,889,992,657m²
	Minimal Use	1.3.3 Residual native cover, 1.3.4 Rehabilitation, 2.1.0 Grazing native vegetation	30.07%	21,932,811,166m²
	Arable Farming	3.3.0 Cropping, 3.4.0 Perennial horticulture, 3.4.6 Perennial flowers and bulbs, 3.5.0 Seasonal horticulture, 4.4.0 Irrigated perennial horticulture	17.79%	12,980,138,245m²
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure, 5.4.1 Urban residential, 5.4.5 Farm buildings/infrastructure, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.6.4 Solar electricity generation, 5.6.7 Water extraction and transmission, 5.7.5 Navigation and communication	9.13%	6,658,692,671m²
	Water	6.1.0 Lake, 6.2.0 Reservoir/dam, 6.2.1 Reservoir, 6.2.2 Water storage - intensive use/farm dams, 6.3.0 River, 6.5.0 Marsh/wetland, 6.5.1 Marsh/wetland - conservation	0.86%	627,494,597m²
	Natural	1.1.1 Strict nature reserves, 1.2.0 Managed resource protection, 1.2.1 Biodiversity, 1.2.4 Landscape	0.79%	574,745,052m²
	Intensive Pastoral Farming	5.2.0 Intensive animal production, 5.2.1 Dairy sheds and yards, 5.2.3 Poultry farms	0.25%	181,748,435m²
	Mining	5.8.0 Mining, 5.8.2 Quarries	0.07%	47,499,591m²
	Forestry Plantation	3.1.2 Softwood plantation forestry, 3.1.3 Other forest plantation, 3.1.4 Environmental forest plantation	0.05%	37,749,675m²
	Intensive Arable Farming	5.1.1 Production nurseries, 5.1.2 Shadehouses	0.01%	5,249,955m²
	Waste Management	5.9.5 Sewage/sewerage	0.01%	4,999,957m²
	Industrial	5.3.1 General purpose factory, 5.3.4 Bulk grain storage	0.01%	4,749,959m²
	Forestry	3.1.0 Plantation forests	0.00%	1,999,983m²
Show minor land uses 9
				729,478,719m²

Waterbug sample history

Sampled on 31 March 2003

Taxa	Abundance	SIGNALT Grade
Unknown IB	2
HYDROZOA IB000000	2
Turbellaria IF	3	2
Turbellaria (Unident.) IF999999	3
Nematoda II	11	3
Nematoda (Unident.) II999999	11
Gastropoda KG	42	1
Gastropoda (Unident.) KG999999	42
Bivalvia KP	18	3
PELECYPODA KP000000	18
Hirudinea LH	40	1
Hirudinea (Unident.) LH999999	40
Oligochaeta LO	9	2
Oligochaeta (Unident.) LO999999	9
Unknown M9	35
Unknown M999999	35
Amphipoda OP	21	3
AMPHIPODA OP000000	21

Isopoda OR	8	2
ISOPODA OR000000	8
Unknown OT	20
Caridea (Unident.) OT999999	20

Decapoda OZ	4	4
Decapoda (Unident.) OZ999998	4

Coleoptera QC	326	5
Dytiscidae (Unident.) QC099999	34
Gyrinidae (Unident.) QC109999	57

Coleoptera (Unident.) QCZZ9999	235

Diptera QD	46	3
Culicidae (Unident.) QD079999	10

Chironomidae QDA00000	21
Diptera (Unident.)(Larva) QDZZ9999	15

Ephemeroptera QE	24	9
Ephemeroptera (Unident.) QE999999	24
Hemiptera QH	215	2
Mesoveliidae (Unident.) QH529999	7
Gerridae (Unident.) QH579999	22
Nepidae (Unident.) QH619999	5
Corixidae (Unident.) QH659999	153
Notonectidae (Unident.) QH679999	28
Megaloptera QM	9	8
Megaloptera (Unident.) QM999999	9

Odonata QO	42	3
Zygoptera (Unident.) QO999997	12
Epiproctophora (Unident.) QO999998	30
Plecoptera QP	42	10
Plecoptera (Unident.) QP999999	42
Trichoptera QT	3	8
Trichoptera (Unident.) QT999999	3

SIGNALT	3.5
	ORDER
Weighted SIGNALT	3.5