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

Broken River at Crediton Recorder 120204B

Source	MIV
Latest Sample Date	27-11-1997
Taxa count ORDER	15
Taxa count FAMILY	38
Taxa count ALT	38
Mayflies present?	2
	ORDER	FAMILY	ALT
SIGNAL	3.6	4.1	3.5
Weighted SIGNAL	4.7		4.3

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Minimal Use	1.3.3 Residual native cover, 2.1.0 Grazing native vegetation	68.80%	2,268,911,704m²
	Natural	1.1.3 National park, 1.1.7 Other conserved area, 1.2.0 Managed resource protection	26.43%	871,754,238m²
	Residential And Infrastructure	5.4.2 Rural residential with agriculture, 5.4.3 Rural residential without agriculture, 5.4.5 Farm buildings/infrastructure	4.51%	148,793,394m²
	Water	6.2.2 Water storage - intensive use/farm dams	0.26%	8,502,480m²
Show minor land uses 1
				32,979,618m²

Waterbug sample history

Sampled on 27 November 1997

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	2	2
Dugesiidae (Unident.) IF619999	2
Gastropoda KG	4	1
Ancylidae (Unident.) KG069999	4
Bivalvia KP	4	3
Corbiculidae (Unident.) KP029999	4
Oligochaeta LO	1	2
Oligochaeta (Unident.) LO999999	1
Acarina MM	3	6
Mites (Unident.) MM999999	3

Unknown OG	5
Cladocera (Unident.) OG999999	5
Unknown OT	1
Palaemonidae (Unident.) OT029999	1

Coleoptera QC	20	5
Dytiscidae (Unident.) QC099999	5
Hydrophilidae (Unident.) QC119999	6

Hydraenidae (Unident.) QC139999	2

Elmidae (Unident.) QC349999	5

Psephenidae (Unident.) QC379999	2

Diptera QD	41	3
Culicidae (Unident.) QD079999	2

Ceratopogonidae (Unident.) QD099999	2

Simuliidae (Unident.) QD109999	3

Tabanidae (Unident.) QD239999	1
Dolichopodidae (Unident.) QD369999	1
Tanypodinae (Unident.) QDAE9999	5
Orthocladiinae (Unident.) QDAF9999	13
Chironominae (Unident.) QDAJ9999	14
Ephemeroptera QE	2	9
Baetidae (Unident.) QE029999	2
Hemiptera QH	30	2
Veliidae (Unident.) QH569999	9
Gerridae (Unident.) QH579999	9
Gelastocoridae (Unident.) QH649999	1
Corixidae (Unident.) QH659999	9
Notonectidae (Unident.) QH679999	2
Lepidoptera QL	3	2
Crambidae (Unident.) QL019999	3

Megaloptera QM	4	8
Corydalidae (Unident.) QM019999	1

Sialidae (Unident.) QM029999	3
Odonata QO	5	3
Coenagrionidae (Unident.) QO029999	1
Gomphidae (Unident.) QO139999	2
Libellulidae (Unident.) QO179999	2
Trichoptera QT	29	8
Hydrobiosidae (Unident.) QT019999	1
Philopotamidae (Unident.) QT049999	4
Hydropsychidae (Unident.) QT069999	10
Ecnomidae (Unident.) QT089999	1
Calamoceratidae (Unident.) QT249999	2
Leptoceridae (Unident.) QT259999	11

SIGNALT	3.6
	ORDER
Weighted SIGNALT	3.9

Sampled on 6 June 1997

Taxa	Abundance	SIGNALT Grade
Unknown IA	1
PORIFERA (Unident.) IA999999	1
Turbellaria IF	3	2
Dugesiidae (Unident.) IF619999	3
Nematoda II	1	3
Nematoda (Unident.) II999999	1
Gastropoda KG	4	1
Thiaridae (Unident.) KG049999	1
Ancylidae (Unident.) KG069999	3
Oligochaeta LO	13	2
Oligochaeta (Unident.) LO999999	13
Acarina MM	20	6
Mites (Unident.) MM999999	20

Unknown OJ	10
Copepoda (Unident.) OJ999999	10
Unknown OT	1
Palaemonidae (Unident.) OT029999	1

Coleoptera QC	17	5
Dytiscidae (Unident.) QC099999	10
Hydrophilidae (Unident.) QC119999	3

Scirtidae (Unident.) QC209999	2

Elmidae (Unident.) QC349999	2

Diptera QD	56	3
Tipulidae (Unident.) QD019999	6
Dixidae (Unident.) QD069999	3

Culicidae (Unident.) QD079999	2

Ceratopogonidae (Unident.) QD099999	2

Simuliidae (Unident.) QD109999	10

Dolichopodidae (Unident.) QD369999	2
Tanypodinae (Unident.) QDAE9999	3
Orthocladiinae (Unident.) QDAF9999	16
Chironominae (Unident.) QDAJ9999	12
Ephemeroptera QE	28	9
Baetidae (Unident.) QE029999	17
Leptophlebiidae (Unident.) QE069999	8
Caenidae (Unident.) QE089999	3
Hemiptera QH	12	2
Veliidae (Unident.) QH569999	4
Corixidae (Unident.) QH659999	2
Notonectidae (Unident.) QH679999	5
Pleidae (Unident.) QH689999	1
Megaloptera QM	4	8
Corydalidae (Unident.) QM019999	4

Odonata QO	3	3
Coenagrionidae (Unident.) QO029999	1
Diphlebiidae (Unident.) QO099999	1
Gomphidae (Unident.) QO139999	1
Plecoptera QP	1	10
Gripopterygidae (Unident.) QP039999	1
Trichoptera QT	30	8
Hydrobiosidae (Unident.) QT019999	4
Philopotamidae (Unident.) QT049999	2
Hydropsychidae (Unident.) QT069999	10
Calamoceratidae (Unident.) QT249999	3
Leptoceridae (Unident.) QT259999	11

SIGNALT	3.9
	ORDER
Weighted SIGNALT	4.4