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

Tyenna River at Meadowbank Rd LDER20

Source	Department of Primary Industries, Parks, Water and Environment
Latest Sample Date	23-11-1998
Taxa count ORDER	12
Taxa count FAMILY	28
Taxa count ALT	29
Mayflies present?	33
	ORDER	FAMILY	ALT
SIGNAL	4.3	5	4.4
Weighted SIGNAL	5.2	5	5.2

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Natural	1.1.2 Wilderness area, 1.1.3 National park, 1.1.4 Natural feature protection, 1.1.5 Habitat/species management area, 1.1.6 Protected landscape, 1.1.7 Other conserved area, 1.2.0 Managed resource protection, 1.2.1 Biodiversity, 1.2.2 Surface water supply	51.11%	17,475,205,482m²
	Forestry	2.2.0 Production native forests, 3.1.0 Plantation forests	21.56%	7,371,641,265m²
	Forestry Plantation	3.1.1 Hardwood plantation forestry, 3.1.2 Softwood plantation forestry	10.71%	3,661,066,800m²
	Minimal Use	1.3.3 Residual native cover, 2.1.0 Grazing native vegetation	6.87%	2,348,863,647m²
	Pastoral Farming	3.2.0 Grazing modified pastures, 3.2.1 Native/exotic pasture mosaic	5.45%	1,864,788,703m²
	Residential And Infrastructure	5.4.1 Urban residential, 5.4.3 Rural residential without agriculture, 5.4.4 Remote communities, 5.4.5 Farm buildings/infrastructure, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.7.1 Airports/aerodromes, 5.7.2 Roads, 5.7.3 Railways	2.83%	967,899,849m²
	Unknown	3.6.0 Land in transition, 3.6.1 Degraded land	0.62%	212,032,827m²
	Water	6.1.1 Lake - conservation, 6.3.0 River, 6.3.1 River - conservation	0.41%	140,521,755m²
	Arable Farming	4.3.0 Irrigated cropping, 4.4.0 Irrigated perennial horticulture, 4.4.5 Irrigated shrub berries and fruits, 4.4.9 Irrigated grapes	0.31%	106,016,413m²
	Industrial	5.3.7 Sawmill, 5.5.1 Commercial services	0.11%	39,006,039m²
	Mining	5.8.2 Quarries	0.01%	4,000,619m²
	Intensive Pastoral Farming	5.2.5 Aquaculture	0.01%	2,500,387m²
Show minor land uses 7
				341,935,438m²

Waterbug sample history

Sampled on 23 November 1998

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	15	1
Hydrobiidae (Unident.) KG029999	8
Planorbidae (Unident.) KG079999	7
Bivalvia KP	21	3
Sphaeriidae (Unident.) KP039999	21
Oligochaeta LO	17	2
Oligochaeta (Unident.) LO999999	17
Acarina MM	1	6
Mites (Unident.) MM999999	1

Amphipoda OP	48	3
Ceinidae (Unident.) OP029999	3

Corophiidae (Unident.) OP059999	3

Paramelitidae (Unident.) OP069999	42

Isopoda OR	2	2
Phreatoicidae (Unident.) OR059999	2

Unknown OT	2
Atyidae (Unident.) OT019999	2

Coleoptera QC	24	5
Elmidae Adults QC34999A	18

Elmidae Larvae QC34999L	2

Psephenidae (Unident.) QC379999	4

Diptera QD	58	3
Tipulidae (Unident.) QD019999	17
Simuliidae (Unident.) QD109999	14

Empididae (Unident.) QD359999	2
Diamesinae (Unident.) QDAB9999	3
Orthocladiinae (Unident.) QDAF9999	19
Chironominae (Unident.) QDAJ9999	3
Ephemeroptera QE	33	9
Baetidae (Unident.) QE029999	17
Oniscigastridae (Unident.) QE039999	4
Leptophlebiidae (Unident.) QE069999	12
Plecoptera QP	7	10
Gripopterygidae (Unident.) QP039999	6
Notonemouridae (Unident.) QP049999	1
Trichoptera QT	72	8
Hydrobiosidae (Unident.) QT019999	5
Glossosomatidae (Unident.) QT029999	1
Hydropsychidae (Unident.) QT069999	33
Conoesucidae (Unident.) QT159999	32
Helicopsychidae (Unident.) QT179999	1

SIGNALT	4.3
	ORDER
Weighted SIGNALT	4.7

Sampled on 30 March 1998

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	13	1
Hydrobiidae (Unident.) KG029999	7
Ancylidae (Unident.) KG069999	1
Physidae (Unident.) KG089999	5
Bivalvia KP	43	3
Sphaeriidae (Unident.) KP039999	43
Hirudinea LH	2	1
Hirudinea (Unident.) LH999999	2
Oligochaeta LO	20	2
Oligochaeta (Unident.) LO999999	20
Acarina MM	2	6
Mites (Unident.) MM999999	2

Amphipoda OP	246	3
Paramelitidae (Unident.) OP069999	246

Isopoda OR	6	2
Phreatoicidae (Unident.) OR059999	6

Coleoptera QC	23	5
Scirtidae (Unident.) QC209999	13

Elmidae Adults QC34999A	6

Elmidae Larvae QC34999L	2

Psephenidae (Unident.) QC379999	2

Diptera QD	53	3
Simuliidae (Unident.) QD109999	2

Psychodidae (Unident.) QD129999	1

Tanypodinae (Unident.) QDAE9999	2
Orthocladiinae (Unident.) QDAF9999	11
Chironominae (Unident.) QDAJ9999	37
Ephemeroptera QE	16	9
Baetidae (Unident.) QE029999	7
Oniscigastridae (Unident.) QE039999	1
Leptophlebiidae (Unident.) QE069999	8
Hemiptera QH	1	2
Veliidae (Unident.) QH569999	1
Plecoptera QP	2	10
Eustheniidae (Unident.) QP019999	1
Notonemouridae (Unident.) QP049999	1
Trichoptera QT	90	8
Hydrobiosidae (Unident.) QT019999	1
Hydropsychidae (Unident.) QT069999	49
Tasimiidae (Unident.) QT139999	2
Conoesucidae (Unident.) QT159999	10
Calocidae (Unident.) QT189999	9
Philorheithridae (Unident.) QT219999	1
Calamoceratidae (Unident.) QT249999	1
Leptoceridae (Unident.) QT259999	17

SIGNALT	4.2
	ORDER
Weighted SIGNALT	4.2