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

Gwydir R @ Kia-ora 65234

Source	Office of Environment and Heritage
Latest Sample Date	05-05-2006
Taxa count ORDER	14
Taxa count FAMILY	28
Taxa count ALT	28
Mayflies present?	57
	ORDER	FAMILY	ALT
SIGNAL	3.4	3.9	3.4
Weighted SIGNAL	4.6		4.5

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Minimal Use	1.3.0 Other minimal use, 2.1.0 Grazing native vegetation	57.21%	641,480,775,967m²
	Pastoral Farming	3.2.0 Grazing modified pastures, 3.2.2 Woody fodder plants, 3.2.3 Pasture legumes, 3.2.5 Sown grasses, 4.2.0 Grazing irrigated modified pastures	26.98%	302,542,880,155m²
	Arable Farming	3.3.0 Cropping, 3.4.0 Perennial horticulture, 3.4.1 Tree fruits, 3.4.2 Olives, 3.4.9 Grapes, 3.5.0 Seasonal horticulture, 4.3.0 Irrigated cropping, 4.4.0 Irrigated perennial horticulture, 4.4.2 Irrigated olives, 4.5.2 Irrigated seasonal flowers and bulbs	10.32%	115,770,549,805m²
	Natural	1.1.1 Strict nature reserves, 1.1.3 National park, 1.1.7 Other conserved area, 1.2.0 Managed resource protection	3.13%	35,065,265,085m²
	Water	6.1.0 Lake, 6.2.0 Reservoir/dam, 6.3.0 River, 6.5.0 Marsh/wetland	0.80%	8,987,003,866m²
	Forestry	2.2.0 Production native forests, 3.1.0 Plantation forests	0.77%	8,675,753,732m²
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure, 5.4.1 Urban residential, 5.4.5 Farm buildings/infrastructure, 5.5.0 Services, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.6.0 Utilities, 5.6.5 Electricity substations and transmission, 5.7.0 Transport and communication, 5.7.1 Airports/aerodromes, 5.7.2 Roads, 5.7.3 Railways	0.70%	7,794,753,353m²
	Mining	5.8.0 Mining, 5.8.2 Quarries	0.04%	437,250,188m²
	Intensive Pastoral Farming	5.2.0 Intensive animal production, 5.2.2 Feedlots, 5.2.3 Poultry farms, 5.2.4 Piggeries, 5.2.5 Aquaculture, 5.2.7 Saleyards/stockyards	0.03%	328,000,141m²
	Industrial	5.3.0 Manufacturing and industrial, 5.3.4 Bulk grain storage, 5.5.1 Commercial services	0.01%	110,000,047m²
	Waste Management	5.9.0 Waste treatment and disposal, 5.9.1 Effluent pond, 5.9.5 Sewage/sewerage	0.00%	53,500,023m²
	Unknown	3.6.5 Abandoned perennial horticulture, 5.2.8 Abandoned intensive animal production, 5.8.4 Extractive industry not in use	0.00%	43,000,018m²
	Forestry Plantation	3.1.2 Softwood plantation forestry, 3.1.4 Environmental forest plantation	0.00%	9,250,004m²
	Intensive Arable Farming	5.1.0 Intensive horticulture	0.00%	250,000m²
Show minor land uses 10
				11,212,982,324m²

Waterbug sample history

Sampled on 5 May 2006

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	9	2
Dugesiidae (Unident.) IF619999	9
Nematoda II	1	3
Nematoda (Unident.) II999999	1
Bivalvia KP	7	3
Corbiculidae (Unident.) KP029999	7
Oligochaeta LO	6	2
Oligochaeta (Unident.) LO999999	6
Acarina MM	6	6
Mites (Unident.) MM999999	6

Unknown OJ	2
Copepoda (Unident.) OJ999999	2
Isopoda OR	4	2
Corallanidae OR099999	4
Unknown OT	10
Atyidae (Unident.) OT019999	2

Palaemonidae (Unident.) OT029999	8

Coleoptera QC	15	5
Hydraenidae (Unident.) QC139999	2

Elmidae (Unident.) QC349999	13

Diptera QD	41	3
Ceratopogonidae (Unident.) QD099999	4

Simuliidae (Unident.) QD109999	21

Tabanidae (Unident.) QD239999	1
Dolichopodidae (Unident.) QD369999	5
Orthocladiinae (Unident.) QDAF9999	4
Chironominae (Unident.) QDAJ9999	6
Ephemeroptera QE	57	9
Baetidae (Unident.) QE029999	35
Leptophlebiidae (Unident.) QE069999	8
Caenidae (Unident.) QE089999	14
Hemiptera QH	19	2
Veliidae (Unident.) QH569999	3
Gerridae (Unident.) QH579999	12
Corixidae (Unident.) QH659999	4
Odonata QO	2	3
Corduliidae (Unident.) QO169999	1
Libellulidae (Unident.) QO179999	1
Trichoptera QT	46	8
Hydropsychidae (Unident.) QT069999	39
Ecnomidae (Unident.) QT089999	1
Leptoceridae (Unident.) QT259999	6

SIGNALT	3.4
	ORDER
Weighted SIGNALT	4.1