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

Dilgry River @ Banksia 54556

Source	Office of Environment and Heritage
Latest Sample Date	03-12-2008
Taxa count ORDER	15
Taxa count FAMILY	40
Taxa count ALT	40
Mayflies present?	39
	ORDER	FAMILY	ALT
SIGNAL	4.7	5.5	4.8
Weighted SIGNAL	6.5		6.1

Waterbug Land Use

Category	ALUM Categories	Percent of upstream catchment	Area
Forestry	2.2.0 Production native forests	77.04%	989,963,841m²
Natural	1.1.3 National park	22.96%	294,962,691m²
			12,849,265m²

Waterbug sample history

Sampled on 3 December 2008

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	1	2
Dugesiidae (Unident.) IF619999	1
Nematomorpha IJ	1	6
Gordiidae (Unident.) IJ019999	1
Bivalvia KP	6	3
Sphaeriidae (Unident.) KP039999	6
Hirudinea LH	1	1
Glossiphoniidae (Unident.) LH019999	1
Oligochaeta LO	2	2
Oligochaeta (Unident.) LO999999	2
Acarina MM	3	6
Mites (Unident.) MM999999	3

Amphipoda OP	60	3
Eusiridae (Unident.) OP039999	54

Paramelitidae (Unident.) OP069999	6

Coleoptera QC	37	5
Dytiscidae (Unident.) QC099999	1
Hydrophilidae (Unident.) QC119999	3

Scirtidae (Unident.) QC209999	5

Elmidae (Unident.) QC349999	6

Psephenidae (Unident.) QC379999	10

Ptilodactylidae (Unident.) QC399999	12

Diptera QD	47	3
Tipulidae (Unident.) QD019999	3
Simuliidae (Unident.) QD109999	7

Psychodidae (Unident.) QD129999	1

Athericidae (Unident.) QD229999	10

Empididae (Unident.) QD359999	2
Podonominae (Unident.) QDAD9999	6
Tanypodinae (Unident.) QDAE9999	10
Orthocladiinae (Unident.) QDAF9999	4
Chironominae (Unident.) QDAJ9999	4
Ephemeroptera QE	39	9
Baetidae (Unident.) QE029999	21
Oniscigastridae (Unident.) QE039999	1
Leptophlebiidae (Unident.) QE069999	17
Hemiptera QH	5	2
Veliidae (Unident.) QH569999	5
Megaloptera QM	2	8
Corydalidae (Unident.) QM019999	2

Odonata QO	3	3
Aeshnidae (Unident.) QO129999	3
Plecoptera QP	45	10
Eustheniidae (Unident.) QP019999	4
Austroperlidae (Unident.) QP029999	1
Gripopterygidae (Unident.) QP039999	38
Notonemouridae (Unident.) QP049999	2
Trichoptera QT	53	8
Hydrobiosidae (Unident.) QT019999	7
Glossosomatidae (Unident.) QT029999	5
Hydropsychidae (Unident.) QT069999	13
Conoesucidae (Unident.) QT159999	14
Calocidae (Unident.) (Pupa) QT18999I	4
Philorheithridae (Unident.) QT219999	3
Leptoceridae (Unident.) QT259999	7

SIGNALT	4.7
	ORDER
Weighted SIGNALT	5.5