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

MERRI RIVER AT WOODFORD 3603

Source	EPA Victoria
Latest Sample Date	07-03-2012
Taxa count ORDER	11
Taxa count FAMILY	17
Taxa count ALT	17
Mayflies present?	26
	ORDER	FAMILY	ALT
SIGNAL	3.3	4	4.2
Weighted SIGNAL	6.5		4.8

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Pastoral Farming	3.2.0 Grazing modified pastures	93.26%	83,545,256,160m²
	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, 5.6.7 Water extraction and transmission, 5.7.2 Roads	4.50%	4,033,310,644m²
	Arable Farming	3.3.0 Cropping, 3.3.1 Cereals, 3.3.4 Oilseeds	1.97%	1,764,776,535m²
	Natural	1.1.1 Strict nature reserves, 1.1.7 Other conserved area	0.24%	213,003,203m²
	Forestry Plantation	3.1.2 Softwood plantation forestry	0.02%	22,000,331m²
	Industrial	5.3.0 Manufacturing and industrial, 5.3.1 General purpose factory, 5.5.1 Commercial services	0.00%	1,500,023m²
	Waste Management	5.9.2 Landfill	0.00%	250,004m²
Show minor land uses 5
				895,800,969m²

Waterbug sample history

Sampled on 7 March 2012

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	1	2
Dugesiidae (Unident.) IF619999	1
Gastropoda KG	29	1
Hydrobiidae (Unident.) KG029999	26
Physidae (Unident.) KG089999	3
Bivalvia KP	11	3
Corbiculidae (Unident.) KP029999	11
Oligochaeta LO	1	2
Oligochaeta (Unident.) LO999999	1
Amphipoda OP	3	3
Ceinidae (Unident.) OP029999	3

Unknown OT	60
Atyidae (Unident.) OT019999	60

Unknown OX	5
Hymenostomatidae (Unident.) OX019999	5

Coleoptera QC	2	5
Psephenidae (Unident.) QC379999	2

Diptera QD	10	3
Simuliidae (Unident.) QD109999	5

Stratiomyidae (Unident.) QD249999	1
Orthocladiinae (Unident.) QDAF9999	4
Ephemeroptera QE	26	9
Baetidae (Unident.) QE029999	8
Leptophlebiidae (Unident.) QE069999	18
Trichoptera QT	46	8
Hydrobiosidae (Unident.) QT019999	5
Hydropsychidae (Unident.) QT069999	30
Conoesucidae (Unident.) QT159999	11

SIGNALT	3.3
	ORDER
Weighted SIGNALT	3.7

Sampled on 28 September 2011

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	26	1
Hydrobiidae (Unident.) KG029999	26
Bivalvia KP	2	3
Corbiculidae (Unident.) KP029999	2
Oligochaeta LO	1	2
Oligochaeta (Unident.) LO999999	1
Acarina MM	1	6
Mites (Unident.) MM999999	1

Amphipoda OP	27	3
Ceinidae (Unident.) OP029999	3

Paramelitidae (Unident.) OP069999	24

Unknown OT	8
Atyidae (Unident.) OT019999	8

Unknown OX	2
Hymenostomatidae (Unident.) OX019999	2

Coleoptera QC	9	5
Elmidae (Unident.) QC349999	1

Psephenidae (Unident.) QC379999	8

Diptera QD	32	3
Empididae (Unident.) QD359999	1
Tanypodinae (Unident.) QDAE9999	1
Orthocladiinae (Unident.) QDAF9999	30
Ephemeroptera QE	60	9
Baetidae (Unident.) QE029999	30
Leptophlebiidae (Unident.) QE069999	30
Plecoptera QP	1	10
Gripopterygidae (Unident.) QP039999	1
Trichoptera QT	44	8
Hydrobiosidae (Unident.) QT019999	2
Hydropsychidae (Unident.) QT069999	12
Conoesucidae (Unident.) QT159999	30

SIGNALT	4.2
	ORDER
Weighted SIGNALT	4.3

Sampled on 24 March 2010

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	4	2
Dugesiidae (Unident.) IF619999	4
Gastropoda KG	11	1
Hydrobiidae (Unident.) KG029999	8
Physidae (Unident.) KG089999	3
Bivalvia KP	4	3
Corbiculidae (Unident.) KP029999	4
Acarina MM	1	6
Mites (Unident.) MM999999	1

Amphipoda OP	3	3
Ceinidae (Unident.) OP029999	3

Unknown OT	26
Atyidae (Unident.) OT019999	26

Unknown OV	2
Parastacidae (Unident.) OV019999	2

Unknown OX	3
Hymenostomatidae (Unident.) OX019999	3

Coleoptera QC	6	5
Psephenidae (Unident.) QC379999	6

Diptera QD	37	3
Ceratopogonidae (Unident.) QD099999	2

Simuliidae (Unident.) QD109999	5

Orthocladiinae (Unident.) QDAF9999	30
Ephemeroptera QE	32	9
Baetidae (Unident.) QE029999	30
Leptophlebiidae (Unident.) QE069999	2
Hemiptera QH	2	2
Veliidae (Unident.) QH569999	2
Trichoptera QT	39	8
Hydrobiosidae (Unident.) QT019999	2
Hydroptilidae (Unident.) QT039999	2
Hydropsychidae (Unident.) QT069999	30
Conoesucidae (Unident.) QT159999	5

SIGNALT	3.2
	ORDER
Weighted SIGNALT	3.8

Sampled on 5 November 2009

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	20	1
Hydrobiidae (Unident.) KG029999	20
Bivalvia KP	4	3
Corbiculidae (Unident.) KP029999	3
Sphaeriidae (Unident.) KP039999	1
Hirudinea LH	1	1
Glossiphoniidae (Unident.) LH019999	1
Oligochaeta LO	1	2
Oligochaeta (Unident.) LO999999	1
Amphipoda OP	18	3
Ceinidae (Unident.) OP029999	12

Eusiridae (Unident.) OP039999	3

Paramelitidae (Unident.) OP069999	3

Unknown OT	6
Atyidae (Unident.) OT019999	6

Unknown OV	2
Parastacidae (Unident.) OV019999	2

Coleoptera QC	4	5
Dytiscidae (Unident.) QC099999	1
Scirtidae (Unident.) QC209999	1

Psephenidae (Unident.) QC379999	2

Diptera QD	26	3
Simuliidae (Unident.) QD109999	1

Orthocladiinae (Unident.) QDAF9999	25
Ephemeroptera QE	29	9
Baetidae (Unident.) QE029999	24
Leptophlebiidae (Unident.) QE069999	5
Trichoptera QT	29	8
Hydrobiosidae (Unident.) QT019999	4
Hydropsychidae (Unident.) QT069999	5
Conoesucidae (Unident.) QT159999	20

SIGNALT	3.2
	ORDER
Weighted SIGNALT	4.1

Sampled on 5 October 2005

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	17	1
Hydrobiidae (Unident.) KG029999	17
Bivalvia KP	7	3
Corbiculidae (Unident.) KP029999	4
Sphaeriidae (Unident.) KP039999	3
Oligochaeta LO	2	2
Oligochaeta (Unident.) LO999999	2
Amphipoda OP	21	3
Ceinidae (Unident.) OP029999	18

Paramelitidae (Unident.) OP069999	3

Unknown OT	38
Atyidae (Unident.) OT019999	38

Unknown OX	2
Hymenostomatidae (Unident.) OX019999	2

Coleoptera QC	29	5
Scirtidae (Unident.) QC209999	1

Elmidae (Unident.) QC349999	3

Elmidae (Unident.)(Larvae) QC34999I	1

Psephenidae (Unident.) QC379999	24

Diptera QD	32	3
Simuliidae (Unident.) QD109999	3

Orthocladiinae (Unident.) QDAF9999	28
Chironominae (Unident.) QDAJ9999	1
Ephemeroptera QE	21	9
Baetidae (Unident.) QE029999	15
Leptophlebiidae (Unident.) QE069999	6
Hemiptera QH	2	2
Veliidae (Unident.) QH569999	2
Trichoptera QT	59	8
Hydrobiosidae (Unident.) QT019999	9
Hydropsychidae (Unident.) QT069999	19
Conoesucidae (Unident.) QT159999	30
Odontoceridae (Unident.) QT229999	1

SIGNALT	3.3
	ORDER
Weighted SIGNALT	3.9

Sampled on 2 May 2000

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	3	2
Dugesiidae (Unident.) IF619999	3
Gastropoda KG	17	1
Hydrobiidae (Unident.) KG029999	6
Planorbidae (Unident.) KG079999	8
Physidae (Unident.) KG089999	3
Bivalvia KP	2	3
Corbiculidae (Unident.) KP029999	2
Hirudinea LH	5	1
Glossiphoniidae (Unident.) LH019999	5
Oligochaeta LO	5	2
Oligochaeta (Unident.) LO999999	5
Amphipoda OP	30	3
Ceinidae (Unident.) OP029999	21

Paramelitidae (Unident.) OP069999	9

Unknown OT	18
Atyidae (Unident.) OT019999	18

Unknown OX	3
Hymenostomatidae (Unident.) OX019999	3

Coleoptera QC	30	5
Hydrophilidae (Unident.) QC119999	3

Scirtidae (Unident.) QC209999	3

Psephenidae (Unident.) QC379999	24

Diptera QD	31	3
Simuliidae (Unident.) QD109999	12

Orthocladiinae (Unident.) QDAF9999	16
Chironominae (Unident.) QDAJ9999	2
Chironomidae (Unident.) (Pupa) QDAZ999I	1
Ephemeroptera QE	18	9
Baetidae (Unident.) QE029999	15
Leptophlebiidae (Unident.) QE069999	3
Hemiptera QH	3	2
Veliidae (Unident.) QH569999	3
Trichoptera QT	45	8
Hydrobiosidae (Unident.) QT019999	3
Hydroptilidae (Unident.) QT039999	2
Hydropsychidae (Unident.) QT069999	23
Conoesucidae (Unident.) QT159999	16
Odontoceridae (Unident.) QT229999	1

SIGNALT	3.0
	ORDER
Weighted SIGNALT	3.5

Sampled on 22 October 1997

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	83	1
Hydrobiidae (Unident.) KG029999	81
Planorbidae (Unident.) KG079999	2
Bivalvia KP	15	3
Sphaeriidae (Unident.) KP039999	15
Hirudinea LH	1	1
Hirudinea (Unident.) LH999999	1
Oligochaeta LO	7	2
Oligochaeta (Unident.) LO999999	7
Amphipoda OP	6	3
Ceinidae (Unident.) OP029999	3

Paramelitidae (Unident.) OP069999	3

Unknown OT	8
Atyidae (Unident.) OT019999	8

Unknown OX	4
Hymenostomatidae (Unident.) OX019999	4

Coleoptera QC	30	5
Elmidae (Unident.) QC349999	4

Psephenidae (Unident.) QC379999	26

Diptera QD	3	3
Tanypodinae (Unident.) QDAE9999	1
Orthocladiinae (Unident.) QDAF9999	1
Chironominae (Unident.) QDAJ9999	1
Ephemeroptera QE	22	9
Baetidae (Unident.) QE029999	9
Leptophlebiidae (Unident.) QE069999	13
Trichoptera QT	48	8
Hydrobiosidae (Unident.) QT019999	8
Hydropsychidae (Unident.) QT069999	10
Conoesucidae (Unident.) QT159999	30

SIGNALT	3.2
	ORDER
Weighted SIGNALT	3.9

Sampled on 15 April 1997

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	45	1
Hydrobiidae (Unident.) KG029999	37
Ancylidae (Unident.) KG069999	1
Planorbidae (Unident.) KG079999	7
Bivalvia KP	23	3
Corbiculidae (Unident.) KP029999	23
Hirudinea LH	3	1
Hirudinea (Unident.) LH999999	3
Amphipoda OP	27	3
Ceinidae (Unident.) OP029999	21

Paramelitidae (Unident.) OP069999	3

Neoniphargidae (Unident.) OP079999	3

Unknown OT	50
Atyidae (Unident.) OT019999	50

Unknown OX	4
Hymenostomatidae (Unident.) OX019999	4

Coleoptera QC	12	5
Dytiscidae (Unident.) QC099999	1
Elmidae (Unident.) QC349999	1

Psephenidae (Unident.) QC379999	10

Diptera QD	8	3
Tanypodinae (Unident.) QDAE9999	1
Orthocladiinae (Unident.) QDAF9999	6
Chironominae (Unident.) QDAJ9999	1
Ephemeroptera QE	29	9
Baetidae (Unident.) QE029999	13
Leptophlebiidae (Unident.) QE069999	16
Lepidoptera QL	1	2
Crambidae (Unident.) QL019999	1

Trichoptera QT	55	8
Hydrobiosidae (Unident.) QT019999	4
Hydropsychidae (Unident.) QT069999	16
Conoesucidae (Unident.) QT159999	35

SIGNALT	3.2
	ORDER
Weighted SIGNALT	3.6