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

Pederson Weir TAR0037

Source	Melbourne Water
Latest Sample Date	18-03-2008
Taxa count ORDER	13
Taxa count FAMILY	31
Taxa count ALT	34
Mayflies present?	17
	ORDER	FAMILY	ALT
SIGNAL	4.9	5.5	4.4
Weighted SIGNAL	6.2	2.8	5.6

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Forestry	2.2.0 Production native forests	99.48%	3,051,614,840m²
	Natural	1.1.4 Natural feature protection	0.52%	15,995,360m²
Show minor land uses 1
				30,676,102m²

Waterbug sample history

Sampled on 18 March 2008

Taxa	Abundance	SIGNALT Grade
Nematomorpha IJ	1	6
Gordiidae (Unident.) IJ019999	1
Gastropoda KG	1	1
Glacidorbidae (Unident.) KG099999	1
Oligochaeta LO	2	2
Oligochaeta (Unident.) LO999999	2
Acarina MM	1	6
Mites (Unident.) MM999999	1

Amphipoda OP	27	3
Eusiridae (Unident.) OP039999	27

Coleoptera QC	13	5
Dytiscidae (Unident.) QC099999	2
Gyrinidae (Unident.) QC109999	3

Gyrinidae (Unident.)(Larva) QC10999I	1

Hydrophilidae (Unident.) QC119999	3

Scirtidae (Unident.) QC209999	3

Ptilodactylidae (Unident.) QC399999	1

Diptera QD	15	3
Tipulidae (Unident.) QD019999	1
Tanyderidae sp.(Unident.) QD039999	1
Dixidae (Unident.) QD069999	2

Tanypodinae (Unident.) QDAE9999	9
Chironominae (Unident.) QDAJ9999	2
Ephemeroptera QE	17	9
Oniscigastridae (Unident.) QE039999	3
Leptophlebiidae (Unident.) QE069999	7
Ephemeroptera (Unident.) QE999999	7
Hemiptera QH	9	2
Microvelia distincta QH560104	1
Drepanovelia dubia QH560502	4
Veliidae (Unident.) QH569999	3
Anisops sp.(Unident.) QH670499	1
Neuroptera QN	2	6
Osmylidae (Unident.) QN039999	2

Odonata QO	9	3
Synlestidae (Unident.) QO089999	5
Telephlebiidae (Unident.) QO219999	4
Plecoptera QP	18	10
Austroperlidae (Unident.) QP029999	3
Gripopterygidae (Unident.) QP039999	7
Notonemouridae (Unident.) QP049999	8
Trichoptera QT	45	8
Calocidae (Unident.) QT189999	8
Philorheithridae (Unident.) QT219999	1
Atriplectididae (Unident.) QT239999	1
Calamoceratidae (Unident.) QT249999	8
Leptoceridae (Unident.) QT259999	27

SIGNALT	4.9
	ORDER
Weighted SIGNALT	5.4

Sampled on 25 October 2007

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	1	2
Dugesiidae (Unident.) IF619999	1
Gastropoda KG	9	1
Hydrobiidae (Unident.) KG029999	9
Bivalvia KP	1	3
Hyriidae (Unident.) KP019999	1
Oligochaeta LO	6	2
Oligochaeta (Unident.) LO999999	6
Acarina MM	1	6
Mites (Unident.) MM999999	1

Amphipoda OP	45	3
Eusiridae (Unident.) OP039999	45

Coleoptera QC	37	5
Dytiscidae (Unident.) QC099999	2
Gyrinidae (Unident.) QC109999	3

Hydrophilidae (Unident.) QC119999	3

Scirtidae (Unident.) QC209999	4

Elmidae (Unident.) QC349999	17

Elmidae (Unident.)(Larvae) QC34999I	3

Psephenidae (Unident.) QC379999	2

Ptilodactylidae (Unident.) QC399999	2

Brentidae (Unident.) QCAM9999	1
Diptera QD	73	3
Tipulidae (Unident.) QD019999	9
Dixidae (Unident.) QD069999	3

Ceratopogonidae (Unident.) QD099999	4

Simuliidae (Unident.) QD109999	9

Stratiomyidae (Unident.) QD249999	1
Dolichopodidae (Unident.) QD369999	1
Podonominae (Unident.) QDAD9999	1
Tanypodinae (Unident.) QDAE9999	6
Orthocladiinae (Unident.) QDAF9999	23
Chironominae (Unident.) QDAJ9999	16
Ephemeroptera QE	35	9
Baetidae (Unident.) QE029999	7
Oniscigastridae (Unident.) QE039999	8
Coloburiscidae (Unident.) QE059999	1
Leptophlebiidae (Unident.) QE069999	11
Ephemeroptera (Unident.) QE999999	8
Hemiptera QH	5	2
Veliidae (Unident.) QH569999	5
Megaloptera QM	1	8
Corydalidae (Unident.) QM019999	1

Odonata QO	3	3
Telephlebiidae (Unident.) QO219999	2
Synthemistidae (Unident.) QO239999	1
Plecoptera QP	26	10
Gripopterygidae (Unident.) QP039999	26
Trichoptera QT	59	8
Hydrobiosidae (Unident.) QT019999	8
Glossosomatidae (Unident.) QT029999	1
Hydroptilidae (Unident.) QT039999	1
Philopotamidae (Unident.) QT049999	1
Helicopsychidae (Unident.) QT179999	1
Helicophidae (Unident.) QT199999	1
Philorheithridae (Unident.) QT219999	5
Leptoceridae (Unident.) QT259999	41

SIGNALT	4.6
	ORDER
Weighted SIGNALT	5.2

Sampled on 28 March 2001

Taxa	Abundance	SIGNALT Grade
Nematomorpha IJ	1	6
Gordiidae IJ010000	1
Gastropoda KG	2	1
Ancylidae KG060000	2
Acarina MM	7	6
Hygrobatidae MM150000	7

Amphipoda OP	9	3
Eusiridae OP030000	9

Coleoptera QC	5	5
Dytiscidae QC090000	1
Hydraenidae QC130000	1

Scirtidae QC200000	3

Diptera QD	15	3
Tipulidae QD010000	1
Simuliidae (unident.) QD100000	9

Orthocladiinae (Unident.) QDAF9999	1
Chironominae (Unident.) QDAJ9999	4
Ephemeroptera QE	15	9
Baetidae QE020000	1
Leptophlebiidae QE060000	14
Odonata QO	1	3
Synlestidae QO080000	1
Plecoptera QP	4	10
Gripopterygidae QP030000	4
Trichoptera QT	70	8
Hydrobiosidae QT010000	1
Hydropsychidae QT060000	4
Conoesucidae QT150000	1
Helicophidae QT190000	2
Philorheithridae QT210000	5
Leptoceridae QT250000	57

SIGNALT	5.4
	ORDER
Weighted SIGNALT	6.0

Sampled on 8 November 2000

Taxa	Abundance	SIGNALT Grade
Bivalvia KP	1	3
Hyriidae KP010000	1
Oligochaeta LO	4	2
Lumbriculidae LO060000	2
Enchytraeidae LO080000	2
Acarina MM	4	6
Hygrobatidae MM150000	4

Amphipoda OP	15	3
Eusiridae OP030000	6

Paramelitidae OP060000	9

Coleoptera QC	10	5
Dytiscidae QC090000	1
Staphylinidae QC180000	1
Scirtidae QC200000	4

Elmidae QC340000	4

Diptera QD	28	3
Tipulidae QD010000	2
Ceratopogonidae QD090000	4

Simuliidae (unident.) QD100000	5

Tanypodinae (Unident.) QDAE9999	4
Orthocladiinae (Unident.) QDAF9999	4
Chironominae (Unident.) QDAJ9999	9
Ephemeroptera QE	18	9
Oniscigastridae QE030000	1
Coloburiscidae QE050000	2
Leptophlebiidae QE060000	15
Odonata QO	1	3
Telephlebiidae QO210000	1
Plecoptera QP	7	10
Austroperlidae QP020000	4
Gripopterygidae QP030000	3
Trichoptera QT	51	8
Hydrobiosidae QT010000	1
Hydropsychidae QT060000	6
Calocidae QT180000	3
Philorheithridae QT210000	2
Leptoceridae QT250000	39

SIGNALT	5.2
	ORDER
Weighted SIGNALT	5.7