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

Casuarina Coastal Reserve,Tiwi Stormwater Drain MR-DW-12

Source	Department of Environment and Natural Resources
Latest Sample Date	19-07-1996
Taxa count ORDER	9
Taxa count FAMILY	13
Taxa count ALT	13
Mayflies present?	2
	ORDER	FAMILY	ALT
SIGNAL	3.1	2.9	2.5
Weighted SIGNAL	1.6		3.2

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Minimal Use	1.3.0 Other minimal use, 1.3.1 Defence land - natural areas, 1.3.3 Residual native cover, 1.3.4 Rehabilitation	43.33%	6,773,647,132m²
	Water	6.1.0 Lake, 6.1.1 Lake - conservation, 6.2.1 Reservoir, 6.3.1 River - conservation, 6.4.2 Drainage channel/aqueduct, 6.4.3 Stormwater, 6.5.4 Marsh/wetland - saline, 6.6.0 Estuary/coastal waters, 6.6.1 Estuary/coastal waters - conservation	26.48%	4,138,382,386m²
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure, 5.4.1 Urban residential, 5.4.2 Rural residential with agriculture, 5.4.3 Rural residential without agriculture, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.5.4 Defence facilities - urban, 5.5.5 Research facilities, 5.6.5 Electricity substations and transmission, 5.6.7 Water extraction and transmission, 5.7.2 Roads, 5.7.5 Navigation and communication	17.92%	2,801,389,598m²
	Natural	1.1.1 Strict nature reserves, 1.1.7 Other conserved area	5.28%	825,378,209m²
	Unknown	3.6.4 No defined use, 4.6.2 Abandoned irrigated land, 5.8.4 Extractive industry not in use	4.28%	669,245,830m²
	Waste Management	5.9.1 Effluent pond, 5.9.2 Landfill, 5.9.5 Sewage/sewerage	0.98%	153,134,637m²
	Mining	5.8.2 Quarries	0.62%	97,676,416m²
	Industrial	5.5.1 Commercial services	0.32%	49,462,738m²
	Intensive Pastoral Farming	5.2.5 Aquaculture, 5.2.6 Horse studs	0.24%	37,971,395m²
	Arable Farming	3.3.3 Hay and silage, 4.4.1 Irrigated tree fruits	0.13%	19,984,945m²
	Forestry Plantation	3.1.2 Softwood plantation forestry	0.04%	6,994,731m²
Show minor land uses 6
				156,309,745m²

Waterbug sample history

Sampled on 19 July 1996

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	73	1
Thiaridae (Unident.) KG049999	26
Planorbidae (Unident.) KG079999	47
Oligochaeta LO	2	2
Oligochaeta (Unident.) LO999999	2
Acarina MM	314	6
Mites (Unident.) MM999999	314

Isopoda OR	1	2
Oniscidae sp.(Unident.) OR259999	1

Unknown OT	2
Atyidae (Unident.) OT019999	2

Diptera QD	5	3
Unknown QDAZ9998	5
Ephemeroptera QE	2	9
Baetidae (Unident.) QE029999	2
Hemiptera QH	1	2
Mesoveliidae (Unident.) QH529999	1
Odonata QO	4	3
Coenagrionidae (Unident.) QO029999	1
Protoneuridae (Unident.) QO049999	1
Gomphidae (Unident.) QO139999	1
Libellulidae (Unident.) QO179999	1

SIGNALT	3.1
	ORDER
Weighted SIGNALT	3.3

Sampled on 22 September 1995

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	122	1
Thiaridae (Unident.) KG049999	117
Planorbidae (Unident.) KG079999	5
Oligochaeta LO	21	2
Oligochaeta (Unident.) LO999999	21
Acarina MM	62	6
Mites (Unident.) MM999999	62

Unknown OT	22
Atyidae (Unident.) OT019999	22

Coleoptera QC	2	5
Curculionidae (Unident.)(Larva) QCAN999I	2

Diptera QD	31	3
Ceratopogonidae (Unident.) QD099999	6

Tanypodinae (Unident.) QDAE9999	7
Unknown QDAZ9998	18
Ephemeroptera QE	2	9
Baetidae (Unident.) QE029999	2
Hemiptera QH	2	2
Mesoveliidae (Unident.) QH529999	1
Veliidae (Unident.) QH569999	1
Odonata QO	1	3
Libellulidae (Unident.) QO179999	1

SIGNALT	3.4
	ORDER
Weighted SIGNALT	2.7