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

MacLaughlin River @ MacLaughlin Rd SNOW579

Source	Office of Environment and Heritage
Latest Sample Date	28-10-1999
Taxa count ORDER	16
Taxa count FAMILY	41
Taxa count ALT	41
Mayflies present?	54
	ORDER	FAMILY	ALT
SIGNAL	3.9	4.2	3.3
Weighted SIGNAL	4.8		4.3

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Minimal Use	2.1.0 Grazing native vegetation	70.79%	21,549,771,309m²
	Pastoral Farming	3.2.0 Grazing modified pastures, 3.2.5 Sown grasses	28.53%	8,683,907,844m²
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure, 5.4.5 Farm buildings/infrastructure, 5.7.1 Airports/aerodromes, 5.7.2 Roads	0.51%	156,248,342m²
	Mining	5.8.0 Mining, 5.8.2 Quarries	0.05%	15,499,836m²
	Natural	1.2.0 Managed resource protection	0.05%	14,499,846m²
	Forestry	2.2.0 Production native forests	0.04%	12,499,867m²
	Water	6.1.0 Lake, 6.5.0 Marsh/wetland	0.03%	7,749,918m²
Show minor land uses 5
				304,401,770m²

Waterbug sample history

Sampled on 28 October 1999

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	19	1
Lymnaeidae (Unident.) KG059999	5
Planorbidae (Unident.) KG079999	2
Physidae (Unident.) KG089999	12
Bivalvia KP	5	3
Corbiculidae (Unident.) KP029999	5
Oligochaeta LO	15	2
Oligochaeta (Unident.) LO999999	15
Acarina MM	3	6
Mites (Unident.) MM999999	3

Unknown OH	4
Ostracoda (Unident.) OH999999	4
Amphipoda OP	6	3
Eusiridae (Unident.) OP039999	6

Unknown OT	6
Atyidae (Unident.) OT019999	6

Unknown QA	2
Collembola (Unident.) QA999999	2
Coleoptera QC	17	5
Dytiscidae (Unident.) QC099999	3
Hydrophilidae (Unident.) QC119999	9

Hydraenidae (Unident.) QC139999	1

Elmidae (Unident.) QC349999	4

Diptera QD	57	3
Ceratopogonidae (Unident.) QD099999	14

Simuliidae (Unident.) QD109999	6

Stratiomyidae (Unident.) QD249999	3
Podonominae (Unident.) QDAD9999	1
Tanypodinae (Unident.) QDAE9999	3
Orthocladiinae (Unident.) QDAF9999	15
Chironominae (Unident.) QDAJ9999	9
Chironomidae (Unident.)(Larva) QDAZ9999	6
Ephemeroptera QE	54	9
Baetidae (Unident.) QE029999	20
Leptophlebiidae (Unident.) QE069999	24
Caenidae (Unident.) QE089999	10
Hemiptera QH	19	2
Veliidae (Unident.) QH569999	8
Gelastocoridae (Unident.) QH649999	1
Corixidae (Unident.) QH659999	8
Notonectidae (Unident.) QH679999	2
Megaloptera QM	2	8
Corydalidae (Unident.) QM019999	2

Odonata QO	10	3
Coenagrionidae (Unident.) QO029999	6
Lestidae (Unident.) QO059999	2
Diphlebiidae (Unident.) QO099999	1
Aeshnidae (Unident.) QO129999	1
Plecoptera QP	21	10
Gripopterygidae (Unident.) QP039999	21
Trichoptera QT	128	8
Hydrobiosidae (Unident.) QT019999	2
Hydroptilidae (Unident.) QT039999	8
Hydropsychidae (Unident.) QT069999	101
Ecnomidae (Unident.) QT089999	12
Odontoceridae (Unident.) QT229999	1
Leptoceridae (Unident.) QT259999	4

SIGNALT	3.9
	ORDER
Weighted SIGNALT	4.4

Sampled on 26 March 1999

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	7	2
Dugesiidae (Unident.) IF619999	7
Gastropoda KG	9	1
Planorbidae (Unident.) KG079999	3
Physidae (Unident.) KG089999	6
Hirudinea LH	1	1
Glossiphoniidae (Unident.) LH019999	1
Oligochaeta LO	1	2
Oligochaeta (Unident.) LO999999	1
Acarina MM	8	6
Mites (Unident.) MM999999	8

Unknown OT	4
Atyidae (Unident.) OT019999	4

Coleoptera QC	7	5
Dytiscidae (Unident.) QC099999	1
Gyrinidae (Unident.) QC109999	6

Diptera QD	45	3
Ceratopogonidae (Unident.) QD099999	2

Stratiomyidae (Unident.) QD249999	1
Tanypodinae (Unident.) QDAE9999	20
Orthocladiinae (Unident.) QDAF9999	3
Chironominae (Unident.) QDAJ9999	19
Ephemeroptera QE	50	9
Baetidae (Unident.) QE029999	30
Leptophlebiidae (Unident.) QE069999	15
Caenidae (Unident.) QE089999	5
Hemiptera QH	26	2
Veliidae (Unident.) QH569999	10
Corixidae (Unident.) QH659999	10
Notonectidae (Unident.) QH679999	6
Lepidoptera QL	1	2
Crambidae (Unident.) QL019999	1

Megaloptera QM	4	8
Corydalidae (Unident.) QM019999	4

Odonata QO	9	3
Coenagrionidae (Unident.) QO029999	6
Megapodagrionidae (Unident.) QO079999	1
Diphlebiidae (Unident.) QO099999	1
Aeshnidae (Unident.) QO129999	1
Trichoptera QT	151	8
Hydrobiosidae (Unident.) QT019999	1
Hydroptilidae (Unident.) QT039999	12
Hydropsychidae (Unident.) QT069999	100
Ecnomidae (Unident.) QT089999	20
Leptoceridae (Unident.) QT259999	18

SIGNALT	3.7
	ORDER
Weighted SIGNALT	4.3