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

BRISBANE RIVER AT ATKINSON CROSSING 1430084

Source	MIV
Latest Sample Date	05-02-1997
Taxa count ORDER	12
Taxa count FAMILY	26
Taxa count ALT	26
Mayflies present?	296
	ORDER	FAMILY	ALT
SIGNAL	3.2	3.9	3.1
Weighted SIGNAL	5.9		4.3

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Minimal Use	1.3.0 Other minimal use, 1.3.2 Stock route, 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation	71.51%	505,455,219,041m²
	Forestry	2.2.0 Production native forests, 3.1.0 Plantation forests	11.59%	81,928,481,929m²
	Natural	1.1.3 National park, 1.1.4 Natural feature protection, 1.1.7 Other conserved area, 1.2.0 Managed resource protection	8.60%	60,789,994,603m²
	Residential And Infrastructure	5.4.1 Urban residential, 5.4.2 Rural residential with agriculture, 5.4.3 Rural residential without agriculture, 5.5.0 Services, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.6.5 Electricity substations and transmission, 5.7.1 Airports/aerodromes, 5.7.2 Roads	2.64%	18,679,767,879m²
	Water	6.2.0 Reservoir/dam, 6.2.1 Reservoir, 6.2.2 Water storage - intensive use/farm dams, 6.3.0 River, 6.3.3 River - intensive use, 6.4.0 Channel/aqueduct, 6.5.0 Marsh/wetland	2.49%	17,617,781,075m²
	Arable Farming	3.3.0 Cropping, 3.3.3 Hay and silage, 3.3.5 Sugar, 3.4.0 Perennial horticulture, 3.4.1 Tree fruits, 3.4.3 Tree nuts, 3.4.4 Vine fruits, 3.4.5 Shrub berries and fruits, 4.3.0 Irrigated cropping, 4.3.2 Irrigated beverage and spice crops, 4.3.3 Irrigated hay and silage, 4.4.0 Irrigated perennial horticulture, 4.4.1 Irrigated tree fruits, 4.4.3 Irrigated tree nuts, 4.4.4 Irrigated vine fruits, 4.4.6 Irrigated perennial flowers and bulbs, 4.4.9 Irrigated grapes, 4.5.0 Irrigated seasonal horticulture, 4.5.3 Irrigated seasonal vegetables and herbs, 4.5.4 Irrigated turf farming	2.23%	15,738,054,434m²
	Pastoral Farming	3.2.0 Grazing modified pastures, 4.2.0 Grazing irrigated modified pastures	0.66%	4,653,442,175m²
	Intensive Pastoral Farming	5.2.0 Intensive animal production, 5.2.1 Dairy sheds and yards, 5.2.2 Feedlots, 5.2.3 Poultry farms, 5.2.4 Piggeries, 5.2.5 Aquaculture, 5.2.6 Horse studs	0.07%	522,243,510m²
	Unknown	3.6.0 Land in transition, 5.8.4 Extractive industry not in use	0.07%	473,744,113m²
	Forestry Plantation	3.1.1 Hardwood plantation forestry, 3.1.2 Softwood plantation forestry, 3.1.4 Environmental forest plantation, 4.1.0 Irrigated plantation forests	0.06%	409,494,911m²
	Mining	5.8.0 Mining, 5.8.2 Quarries	0.03%	232,247,114m²
	Industrial	5.3.0 Manufacturing and industrial, 5.3.5 Abattoirs, 5.3.7 Sawmill, 5.5.1 Commercial services	0.03%	224,747,207m²
	Intensive Arable Farming	5.1.0 Intensive horticulture	0.01%	61,749,233m²
	Waste Management	5.9.0 Waste treatment and disposal, 5.9.3 Solid garbage, 5.9.5 Sewage/sewerage	0.00%	31,249,612m²
Show minor land uses 11
				7,068,182,168m²

Waterbug sample history

Sampled on 5 February 1997

Taxa	Abundance	SIGNALT Grade
Unknown IB	33
Hydridae (Unident.) IB019999	33
Gastropoda KG	21	1
Hydrobiidae (Unident.) KG029999	18
Thiaridae (Unident.) KG049999	1
Planorbidae (Unident.) KG079999	1
Physidae (Unident.) KG089999	1
Bivalvia KP	35	3
Sphaeriidae (Unident.) KP039999	35
Oligochaeta LO	14	2
Oligochaeta (Unident.) LO999999	14
Unknown OH	40
Ostracoda (Unident.) OH999999	40
Isopoda OR	4	2
Sphaeromatidae (Unident.) OR139999	4
Coleoptera QC	7	5
Hydrophilidae (Unident.) QC119999	6

Elmidae (Unident.) QC349999	1

Diptera QD	92	3
Simuliidae (Unident.) QD109999	11

Psychodidae (Unident.) QD129999	11

Athericidae (Unident.) QD229999	2

Tanypodinae (Unident.) QDAE9999	17
Orthocladiinae (Unident.) QDAF9999	11
Chironominae (Unident.) QDAJ9999	40
Ephemeroptera QE	296	9
Baetidae (Unident.) QE029999	222
Caenidae (Unident.) QE089999	74
Hemiptera QH	2	2
Corixidae (Unident.) QH659999	2
Odonata QO	3	3
Zygoptera (Unident.) QO999997	3
Trichoptera QT	381	8
Hydroptilidae (Unident.) QT039999	1
Hydropsychidae (Unident.) QT069999	364
Helicopsychidae (Unident.) QT179999	1
Calamoceratidae (Unident.) QT249999	2
Leptoceridae (Unident.) QT259999	13

SIGNALT	3.2
	ORDER
Weighted SIGNALT	3.3