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

Williams River @ Dungog HUNT509

Source	Office of Environment and Heritage
Latest Sample Date	24-10-1997
Taxa count ORDER	15
Taxa count FAMILY	43
Taxa count ALT	43
Mayflies present?	80
	ORDER	FAMILY	ALT
SIGNAL	4.3	4.9	4.4
Weighted SIGNAL	5.1		5.6

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Minimal Use	1.3.0 Other minimal use, 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation	37.97%	22,488,239,867m²
	Natural	1.1.1 Strict nature reserves, 1.1.3 National park, 1.2.0 Managed resource protection, 1.2.2 Surface water supply	37.29%	22,088,990,047m²
	Pastoral Farming	3.2.0 Grazing modified pastures, 3.2.1 Native/exotic pasture mosaic, 3.2.5 Sown grasses, 4.2.0 Grazing irrigated modified pastures	19.59%	11,600,994,772m²
	Forestry	2.2.0 Production native forests	4.38%	2,591,998,832m²
	Water	6.1.0 Lake, 6.2.0 Reservoir/dam, 6.2.1 Reservoir, 6.2.2 Water storage - intensive use/farm dams, 6.3.0 River	0.54%	317,249,857m²
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure, 5.4.1 Urban residential, 5.4.5 Farm buildings/infrastructure, 5.5.3 Recreation and culture, 5.7.2 Roads, 5.7.3 Railways	0.18%	107,249,952m²
	Arable Farming	3.4.0 Perennial horticulture, 3.4.1 Tree fruits, 3.4.9 Grapes, 3.5.0 Seasonal horticulture	0.03%	14,999,993m²
	Forestry Plantation	3.1.1 Hardwood plantation forestry, 3.1.2 Softwood plantation forestry	0.02%	11,999,995m²
	Intensive Pastoral Farming	5.2.1 Dairy sheds and yards	0.01%	5,249,998m²
	Mining	5.8.0 Mining	0.00%	1,749,999m²
	Industrial	5.3.0 Manufacturing and industrial	0.00%	1,000,000m²
	Waste Management	5.9.5 Sewage/sewerage	0.00%	750,000m²
Show minor land uses 8
				592,304,733m²

Waterbug sample history

Sampled on 24 October 1997

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	1	2
Dugesiidae (Unident.) IF619999	1
Gastropoda KG	9	1
Hydrobiidae (Unident.) KG029999	7
Lymnaeidae (Unident.) KG059999	1
Physidae (Unident.) KG089999	1
Bivalvia KP	5	3
Corbiculidae (Unident.) KP029999	5
Oligochaeta LO	4	2
Oligochaeta (Unident.) LO999999	4
Acarina MM	15	6
Mites (Unident.) MM999999	15

Unknown OT	16
Atyidae (Unident.) OT019999	16

Coleoptera QC	64	5
Dytiscidae (Unident.) QC099999	7
Hydrophilidae (Unident.) QC119999	18

Elmidae (Unident.) QC349999	33

Psephenidae (Unident.) QC379999	6

Diptera QD	33	3
Tipulidae (Unident.) QD019999	3
Simuliidae (Unident.) QD109999	1

Athericidae (Unident.) QD229999	4

Tanypodinae (Unident.) QDAE9999	8
Orthocladiinae (Unident.) QDAF9999	6
Chironominae (Unident.) QDAJ9999	6
Diptera (Unident.)(Larva) QDZZ9999	5

Ephemeroptera QE	80	9
Baetidae (Unident.) QE029999	24
Leptophlebiidae (Unident.) QE069999	38
Caenidae (Unident.) QE089999	18
Hemiptera QH	15	2
Veliidae (Unident.) QH569999	1
Gerridae (Unident.) QH579999	5
Corixidae (Unident.) QH659999	9
Lepidoptera QL	1	2
Crambidae (Unident.) QL019999	1

Megaloptera QM	5	8
Corydalidae (Unident.) QM019999	5

Odonata QO	7	3
Diphlebiidae (Unident.) QO099999	1
Gomphidae (Unident.) QO139999	2
Corduliidae (Unident.) QO169999	1
Libellulidae (Unident.) QO179999	3
Plecoptera QP	12	10
Gripopterygidae (Unident.) QP039999	12
Trichoptera QT	124	8
Hydrobiosidae (Unident.) QT019999	4
Glossosomatidae (Unident.) QT029999	15
Hydroptilidae (Unident.) QT039999	4
Philopotamidae (Unident.) QT049999	8
Hydropsychidae (Unident.) QT069999	11
Conoesucidae (Unident.) QT159999	30
Helicopsychidae (Unident.) QT179999	11
Philorheithridae (Unident.) QT219999	2
Odontoceridae (Unident.) QT229999	1
Calamoceratidae (Unident.) QT249999	6
Leptoceridae (Unident.) QT259999	32

SIGNALT	4.3
	ORDER
Weighted SIGNALT	4.8

Sampled on 17 April 1997

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	2	2
Dugesiidae (Unident.) IF619999	2
Gastropoda KG	6	1
Hydrobiidae (Unident.) KG029999	5
Planorbidae (Unident.) KG079999	1
Bivalvia KP	15	3
Corbiculidae (Unident.) KP029999	15
Hirudinea LH	2	1
Glossiphoniidae (Unident.) LH019999	2
Oligochaeta LO	1	2
Oligochaeta (Unident.) LO999999	1
Acarina MM	4	6
Mites (Unident.) MM999999	4

Unknown OT	14
Atyidae (Unident.) OT019999	14

Coleoptera QC	56	5
Hydrophilidae (Unident.) QC119999	24

Hydraenidae (Unident.) QC139999	2

Elmidae (Unident.) QC349999	28

Psephenidae (Unident.) QC379999	2

Diptera QD	10	3
Tanypodinae (Unident.) QDAE9999	1
Orthocladiinae (Unident.) QDAF9999	7
Chironominae (Unident.) QDAJ9999	2
Ephemeroptera QE	242	9
Baetidae (Unident.) QE029999	63
Ameletopsidae (Unident.) QE049999	1
Leptophlebiidae (Unident.) QE069999	165
Caenidae (Unident.) QE089999	13
Hemiptera QH	5	2
Veliidae (Unident.) QH569999	1
Gerridae (Unident.) QH579999	2
Corixidae (Unident.) QH659999	2
Megaloptera QM	10	8
Corydalidae (Unident.) QM019999	10

Odonata QO	7	3
Isostictidae (Unident.) QO039999	1
Gomphidae (Unident.) QO139999	1
Libellulidae (Unident.) QO179999	5
Plecoptera QP	10	10
Gripopterygidae (Unident.) QP039999	10
Trichoptera QT	252	8
Glossosomatidae (Unident.) QT029999	8
Hydroptilidae (Unident.) QT039999	2
Philopotamidae (Unident.) QT049999	48
Hydropsychidae (Unident.) QT069999	91
Conoesucidae (Unident.) QT159999	7
Helicopsychidae (Unident.) QT179999	3
Calocidae (Unident.) QT189999	46
Philorheithridae (Unident.) QT219999	1
Odontoceridae (Unident.) QT229999	2
Calamoceratidae (Unident.) QT249999	5
Leptoceridae (Unident.) QT259999	39

SIGNALT	4.2
	ORDER
Weighted SIGNALT	4.8