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

LEIGH RIVER (YARROWEE RIVER) AT INVERLEIGH 3328

Source	EPA Victoria
Latest Sample Date	20-04-2005
Taxa count ORDER	14
Taxa count FAMILY	24
Taxa count ALT	25
Mayflies present?	14
	ORDER	FAMILY	ALT
SIGNAL	3.6	4.8	4.4
Weighted SIGNAL	6.6	5	5

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Pastoral Farming	3.2.0 Grazing modified pastures	43.18%	39,023,633,226m²
	Residential And 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, 5.6.0 Utilities, 5.6.5 Electricity substations and transmission, 5.7.2 Roads, 5.7.3 Railways, 5.7.5 Navigation and communication	26.97%	24,373,050,781m²
	Arable Farming	3.3.0 Cropping, 3.3.1 Cereals, 3.3.4 Oilseeds, 3.3.8 Pulses, 3.4.9 Grapes, 3.5.3 Seasonal vegetables and herbs	12.73%	11,502,349,841m²
	Forestry	2.2.0 Production native forests, 3.1.0 Plantation forests	5.88%	5,311,892,464m²
	Forestry Plantation	3.1.1 Hardwood plantation forestry, 3.1.2 Softwood plantation forestry	5.12%	4,622,841,555m²
	Natural	1.1.1 Strict nature reserves, 1.1.4 Natural feature protection, 1.1.7 Other conserved area	3.75%	3,390,250,486m²
	Industrial	5.3.0 Manufacturing and industrial, 5.3.1 General purpose factory, 5.3.2 Food processing factory, 5.3.3 Major industrial complex, 5.3.7 Sawmill, 5.5.1 Commercial services	0.90%	817,560,405m²
	Minimal Use	1.3.0 Other minimal use	0.57%	513,537,942m²
	Unknown	3.6.4 No defined use, 5.8.4 Extractive industry not in use	0.43%	386,278,540m²
	Mining	5.8.0 Mining, 5.8.2 Quarries	0.22%	198,764,686m²
	Intensive Pastoral Farming	5.2.3 Poultry farms, 5.2.4 Piggeries	0.13%	121,008,941m²
	Water	6.1.0 Lake, 6.2.1 Reservoir, 6.4.0 Channel/aqueduct	0.08%	74,255,486m²
	Waste Management	5.9.2 Landfill, 5.9.5 Sewage/sewerage	0.03%	31,502,328m²
	Intensive Arable Farming	5.1.1 Production nurseries	0.01%	8,500,628m²
Show minor land uses 8
				903,754,273m²

Waterbug sample history

Sampled on 20 April 2005

Taxa	Abundance	SIGNALT Grade
Unknown IB	9
Clavidae (Unident.) IB029999	9
Gastropoda KG	5	1
Hydrobiidae (Unident.) KG029999	5
Oligochaeta LO	1	2
Oligochaeta (Unident.) LO999999	1
Acarina MM	3	6
Mites (Unident.) MM999999	3

Amphipoda OP	6	3
Ceinidae (Unident.) OP029999	6

Isopoda OR	29	2
Sphaeromatidae (Unident.) OR139999	29
Unknown OT	6
Atyidae (Unident.) OT019999	6

Unknown OX	3
Hymenostomatidae (Unident.) OX019999	3

Coleoptera QC	29	5
Elmidae (Unident.) QC349999	27

Elmidae (Unident.)(Larvae) QC34999I	2

Diptera QD	17	3
Simuliidae (Unident.) QD109999	15

Orthocladiinae (Unident.) QDAF9999	1
Chironominae (Unident.) QDAJ9999	1
Ephemeroptera QE	14	9
Baetidae (Unident.) QE029999	13
Leptophlebiidae (Unident.) QE069999	1
Hemiptera QH	2	2
Gerridae (Unident.) QH579999	1
Corixidae (Unident.) QH659999	1
Plecoptera QP	3	10
Gripopterygidae (Unident.) QP039999	3
Trichoptera QT	36	8
Hydrobiosidae (Unident.) QT019999	2
Hydropsychidae (Unident.) QT069999	16
Ecnomidae (Unident.) QT089999	2
Conoesucidae (Unident.) QT159999	12
Odontoceridae (Unident.) QT229999	1
Atriplectididae (Unident.) QT239999	1
Calamoceratidae (Unident.) QT249999	2

SIGNALT	3.6
	ORDER
Weighted SIGNALT	4.0

Sampled on 20 October 1997

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	7	1
Hydrobiidae (Unident.) KG029999	7
Oligochaeta LO	2	2
Oligochaeta (Unident.) LO999999	2
Acarina MM	7	6
Mites (Unident.) MM999999	7

Amphipoda OP	6	3
Ceinidae (Unident.) OP029999	3

Paramelitidae (Unident.) OP069999	3

Isopoda OR	39	2
Sphaeromatidae (Unident.) OR139999	36
Janiridae (Unident.) OR189999	3

Coleoptera QC	9	5
Hydraenidae (Unident.) QC139999	1

Elmidae (Unident.) QC349999	4

Psephenidae (Unident.) QC379999	4

Diptera QD	64	3
Ceratopogonidae (Unident.) QD099999	6

Simuliidae (Unident.) QD109999	19

Tanypodinae (Unident.) QDAE9999	4
Orthocladiinae (Unident.) QDAF9999	17
Chironominae (Unident.) QDAJ9999	17
Chironomidae (Unident.) (Pupa) QDAZ999I	1
Ephemeroptera QE	20	9
Baetidae (Unident.) QE029999	16
Leptophlebiidae (Unident.) QE069999	4
Plecoptera QP	2	10
Gripopterygidae (Unident.) QP039999	2
Trichoptera QT	5	8
Hydrobiosidae (Unident.) QT019999	5

SIGNALT	4.9
	ORDER
Weighted SIGNALT	4.5

Sampled on 24 April 1997

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	1	2
Dugesiidae (Unident.) IF619999	1
Gastropoda KG	12	1
Hydrobiidae (Unident.) KG029999	9
Ancylidae (Unident.) KG069999	2
Physidae (Unident.) KG089999	1
Bivalvia KP	7	3
Sphaeriidae (Unident.) KP039999	7
Hirudinea LH	1	1
Hirudinea (Unident.) LH999999	1
Oligochaeta LO	1	2
Oligochaeta (Unident.) LO999999	1
Amphipoda OP	9	3
Ceinidae (Unident.) OP029999	9

Isopoda OR	42	2
Sphaeromatidae (Unident.) OR139999	42
Unknown OT	22
Atyidae (Unident.) OT019999	22

Unknown OX	2
Hymenostomatidae (Unident.) OX019999	2

Coleoptera QC	20	5
Scirtidae (Unident.) QC209999	1

Elmidae (Unident.) QC349999	11

Psephenidae (Unident.) QC379999	8

Diptera QD	31	3
Simuliidae (Unident.) QD109999	21

Tanypodinae (Unident.) QDAE9999	2
Orthocladiinae (Unident.) QDAF9999	8
Ephemeroptera QE	32	9
Baetidae (Unident.) QE029999	32
Odonata QO	1	3
Telephlebiidae (Unident.) QO219999	1
Trichoptera QT	17	8
Hydrobiosidae (Unident.) QT019999	2
Hydropsychidae (Unident.) QT069999	10
Ecnomidae (Unident.) QT089999	2
Conoesucidae (Unident.) QT159999	3

SIGNALT	3.0
	ORDER
Weighted SIGNALT	3.5