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

Ross River at Aplins Weir 118103A

Source	MIV
Latest Sample Date	21-11-1997
Taxa count ORDER	8
Taxa count FAMILY	19
Taxa count ALT	19
Mayflies present?	2
	ORDER	FAMILY	ALT
SIGNAL	3.2	2.6	1.9
Weighted SIGNAL	2.3		2.8

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, 2.1.0 Grazing native vegetation	74.46%	60,368,249,789m²
	Water	6.2.1 Reservoir, 6.2.2 Water storage - intensive use/farm dams, 6.3.0 River, 6.4.3 Stormwater, 6.5.0 Marsh/wetland, 6.5.2 Marsh/wetland - production	7.73%	6,265,834,804m²
	Natural	1.1.3 National park, 1.1.7 Other conserved area	7.22%	5,856,861,904m²
	Forestry	2.2.0 Production native forests	5.60%	4,541,699,051m²
	Residential And Infrastructure	5.4.1 Urban residential, 5.4.2 Rural residential with agriculture, 5.4.3 Rural residential without agriculture, 5.4.5 Farm buildings/infrastructure, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.5.4 Defence facilities - urban, 5.6.5 Electricity substations and transmission, 5.6.7 Water extraction and transmission, 5.7.0 Transport and communication, 5.7.2 Roads, 5.7.5 Navigation and communication	4.21%	3,412,523,874m²
	Arable Farming	3.3.3 Hay and silage, 3.4.1 Tree fruits, 4.3.0 Irrigated cropping, 4.4.0 Irrigated perennial horticulture, 4.4.1 Irrigated tree fruits	0.49%	394,473,861m²
	Mining	5.8.2 Quarries	0.14%	110,492,678m²
	Industrial	5.3.0 Manufacturing and industrial, 5.5.1 Commercial services	0.09%	73,745,113m²
	Intensive Pastoral Farming	5.2.5 Aquaculture, 5.2.6 Horse studs, 5.2.7 Saleyards/stockyards	0.04%	32,747,830m²
	Unknown	5.3.8 Abandoned manufacturing and industrial	0.01%	8,999,404m²
	Waste Management	5.9.5 Sewage/sewerage	0.01%	8,999,404m²
Show minor land uses 6
				810,746,277m²

Waterbug sample history

Sampled on 21 November 1997

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	18	1
Thiaridae (Unident.) KG049999	10
Planorbidae (Unident.) KG079999	3
Physidae (Unident.) KG089999	5
Bivalvia KP	1	3
Corbiculidae (Unident.) KP029999	1
Unknown OT	26
Atyidae (Unident.) OT019999	20

Palaemonidae (Unident.) OT029999	6

Coleoptera QC	12	5
Dytiscidae (Unident.) QC099999	6
Hydrophilidae (Unident.) QC119999	6

Diptera QD	16	3
Tanypodinae (Unident.) QDAE9999	4
Orthocladiinae (Unident.) QDAF9999	2
Chironominae (Unident.) QDAJ9999	10
Ephemeroptera QE	2	9
Baetidae (Unident.) QE029999	2
Hemiptera QH	13	2
Hydrometridae (Unident.) QH549999	2
Gerridae (Unident.) QH579999	1
Corixidae (Unident.) QH659999	4
Naucoridae (Unident.) QH669999	1
Pleidae (Unident.) QH689999	5
Odonata QO	14	3
Coenagrionidae (Unident.) QO029999	10
Libellulidae (Unident.) QO179999	4

SIGNALT	3.2
	ORDER
Weighted SIGNALT	2.5

Sampled on 21 July 1997

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	3	1
Physidae (Unident.) KG089999	3
Bivalvia KP	1	3
Sphaeriidae (Unident.) KP039999	1
Acarina MM	8	6
Mites (Unident.) MM999999	8

Unknown OG	5
Cladocera (Unident.) OG999999	5
Unknown OH	10
Ostracoda (Unident.) OH999999	10
Unknown OJ	10
Copepoda (Unident.) OJ999999	10
Unknown OT	28
Atyidae (Unident.) OT019999	20

Palaemonidae (Unident.) OT029999	8

Coleoptera QC	8	5
Dytiscidae (Unident.) QC099999	8
Diptera QD	4	3
Tanypodinae (Unident.) QDAE9999	3
Chironominae (Unident.) QDAJ9999	1
Hemiptera QH	9	2
Corixidae (Unident.) QH659999	7
Pleidae (Unident.) QH689999	2
Odonata QO	9	3
Coenagrionidae (Unident.) QO029999	4
Gomphidae (Unident.) QO139999	1
Libellulidae (Unident.) QO179999	4

SIGNALT	2.1
	ORDER
Weighted SIGNALT	2.0