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

Source	Office of Environment and Heritage
Latest Sample Date	28-10-1999
Taxa count ORDER	13
Taxa count FAMILY	37
Taxa count ALT	37
Mayflies present?	31
	ORDER	FAMILY	ALT
SIGNAL	5.2	5.9	5.6
Weighted SIGNAL	6.3		5.9

	Category	ALUM Categories	Percent of upstream catchment	Area
	Natural	1.1.1 Strict nature reserves	100.00%	196,575,602m²
				1,965,756m²

Taxa	Abundance	SIGNALT Grade
Nematomorpha IJ	2	6
Gordiidae (Unident.) IJ019999	2
Oligochaeta LO	1	2
Oligochaeta (Unident.) LO999999	1
Acarina MM	21	6
Mites (Unident.) MM999999	21

Unknown OT	14
Atyidae (Unident.) OT019999	14

Coleoptera QC	78	5
Noteridae (Unident.) QC089999	16

Gyrinidae (Unident.) QC109999	9

Hydrophilidae (Unident.) QC119999	6

Hydraenidae (Unident.) QC139999	1

Scirtidae (Unident.) QC209999	9

Elmidae (Unident.) QC349999	28

Psephenidae (Unident.) QC379999	4

Ptilodactylidae (Unident.) QC399999	5

Diptera QD	14	3
Tipulidae (Unident.) QD019999	6
Dixidae (Unident.) QD069999	1

Ceratopogonidae (Unident.) QD099999	4

Tanypodinae (Unident.) QDAE9999	1
Orthocladiinae (Unident.) QDAF9999	2
Ephemeroptera QE	31	9
Leptophlebiidae (Unident.) QE069999	30
Caenidae (Unident.) QE089999	1
Hemiptera QH	3	2
Corixidae (Unident.) QH659999	3
Megaloptera QM	1	8
Corydalidae (Unident.) QM019999	1

Neuroptera QN	8	6
Neurorthidae (Unident.) QN049999	8

Odonata QO	8	3
Synlestidae (Unident.) QO089999	1
Aeshnidae (Unident.) QO129999	7
Plecoptera QP	31	10
Eustheniidae (Unident.) QP019999	20
Austroperlidae (Unident.) QP029999	1
Gripopterygidae (Unident.) QP039999	10
Trichoptera QT	102	8
Glossosomatidae (Unident.) QT029999	1
Hydroptilidae (Unident.) QT039999	3
Philopotamidae (Unident.) QT049999	8
Hydropsychidae (Unident.) QT069999	17
Tasimiidae (Unident.) QT139999	1
Helicopsychidae (Unident.) QT179999	5
Calocidae (Unident.) QT189999	5
Odontoceridae (Unident.) QT229999	26
Calamoceratidae (Unident.) QT249999	6
Leptoceridae (Unident.) QT259999	30

SIGNALT	5.2
	ORDER
Weighted SIGNALT	5.7

Taxa	Abundance	SIGNALT Grade
Oligochaeta LO	4	2
Oligochaeta (Unident.) LO999999	4
Acarina MM	22	6
Mites (Unident.) MM999999	22

Isopoda OR	1	2
Oniscidae sp.(Unident.) OR259999	1

Coleoptera QC	91	5
Noteridae (Unident.) QC089999	6

Dytiscidae (Unident.) QC099999	4
Gyrinidae (Unident.) QC109999	36

Hydrophilidae (Unident.) QC119999	15

Scirtidae (Unident.) QC209999	2

Elmidae (Unident.) QC349999	8

Psephenidae (Unident.) QC379999	20

Diptera QD	24	3
Tipulidae (Unident.) QD019999	6
Dixidae (Unident.) QD069999	1

Ceratopogonidae (Unident.) QD099999	2

Empididae (Unident.) QD359999	1
Tanypodinae (Unident.) QDAE9999	4
Orthocladiinae (Unident.) QDAF9999	3
Chironominae (Unident.) QDAJ9999	7
Ephemeroptera QE	200	9
Baetidae (Unident.) QE029999	2
Leptophlebiidae (Unident.) QE069999	198
Hemiptera QH	7	2
Veliidae (Unident.) QH569999	5
Gerridae (Unident.) QH579999	2
Megaloptera QM	6	8
Corydalidae (Unident.) QM019999	6

Neuroptera QN	8	6
Neurorthidae (Unident.) QN049999	8

Odonata QO	6	3
Megapodagrionidae (Unident.) QO079999	1
Aeshnidae (Unident.) QO129999	5
Plecoptera QP	125	10
Eustheniidae (Unident.) QP019999	99
Austroperlidae (Unident.) QP029999	9
Gripopterygidae (Unident.) QP039999	17
Trichoptera QT	169	8
Hydrobiosidae (Unident.) QT019999	7
Glossosomatidae (Unident.) QT029999	1
Hydroptilidae (Unident.) QT039999	7
Philopotamidae (Unident.) QT049999	12
Hydropsychidae (Unident.) QT069999	99
Helicopsychidae (Unident.) QT179999	5
Calocidae (Unident.) QT189999	4
Philorheithridae (Unident.) QT219999	1
Odontoceridae (Unident.) QT229999	4
Leptoceridae (Unident.) QT259999	29

SIGNALT	5.3
	ORDER
Weighted SIGNALT	6.0