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

Myrtle Ck u/s Summerland Hwy RICH511

Source	Office of Environment and Heritage
Latest Sample Date	11-10-1997
Taxa count ORDER	7
Taxa count FAMILY	16
Taxa count ALT	16
Mayflies present?	7
	ORDER	FAMILY	ALT
SIGNAL	4.3	4.3	2.4
Weighted SIGNAL	4.6		3.2

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	48.99%	19,557,706,605m²
	Forestry	2.2.0 Production native forests	24.99%	9,977,850,317m²
	Natural	1.1.1 Strict nature reserves, 1.1.3 National park, 1.2.0 Managed resource protection	9.58%	3,825,942,605m²
	Pastoral Farming	3.2.0 Grazing modified pastures, 3.2.1 Native/exotic pasture mosaic, 3.2.5 Sown grasses	8.01%	3,198,952,011m²
	Forestry Plantation	3.1.1 Hardwood plantation forestry, 3.1.2 Softwood plantation forestry, 3.1.3 Other forest plantation	5.57%	2,221,716,671m²
	Water	6.2.0 Reservoir/dam, 6.2.2 Water storage - intensive use/farm dams, 6.3.0 River, 6.5.0 Marsh/wetland	2.26%	903,736,443m²
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure, 5.4.1 Urban residential, 5.4.5 Farm buildings/infrastructure, 5.5.3 Recreation and culture, 5.6.0 Utilities, 5.7.2 Roads	0.47%	187,497,187m²
	Arable Farming	3.3.0 Cropping, 3.4.1 Tree fruits, 3.4.3 Tree nuts	0.09%	35,749,464m²
	Industrial	5.3.7 Sawmill	0.03%	11,749,824m²
	Mining	5.8.0 Mining	0.00%	1,499,977m²
Show minor land uses 5
				399,224,011m²

Waterbug sample history

Sampled on 11 October 1997

Taxa	Abundance	SIGNALT Grade
Bivalvia KP	1	3
Corbiculidae (Unident.) KP029999	1
Unknown OT	10
Atyidae (Unident.) OT019999	10

Coleoptera QC	65	5
Hygrobiidae (Unident.) QC079999	1

Dytiscidae (Unident.) QC099999	2
Gyrinidae (Unident.) QC109999	27

Hydrophilidae (Unident.) QC119999	30

Coleoptera (Unident.) QCZZ9999	5

Diptera QD	5	3
Tipulidae (Unident.) QD019999	1
Culicidae (Unident.) QD079999	2

Chironominae (Unident.) QDAJ9999	2
Ephemeroptera QE	7	9
Baetidae (Unident.) QE029999	3
Caenidae (Unident.) QE089999	4
Hemiptera QH	14	2
Veliidae (Unident.) QH569999	7
Gerridae (Unident.) QH579999	1
Notonectidae (Unident.) QH679999	6
Trichoptera QT	5	8
Leptoceridae (Unident.) QT259999	5

SIGNALT	4.3
	ORDER
Weighted SIGNALT	4.2

Sampled on 9 May 1997

Taxa	Abundance	SIGNALT Grade
Unknown OT	14
Atyidae (Unident.) OT019999	14

Unknown QA	3
Collembola (Unident.) QA999999	3
Coleoptera QC	66	5
Dytiscidae (Unident.) QC099999	4
Gyrinidae (Unident.) QC109999	30

Hydrophilidae (Unident.) QC119999	21

Hydraenidae (Unident.) QC139999	1

Staphylinidae (Unident.) QC189999	9
Ptilodactylidae (Unident.) QC399999	1

Diptera QD	2	3
Tipulidae (Unident.) QD019999	1
Chironominae (Unident.) QDAJ9999	1
Ephemeroptera QE	2	9
Baetidae (Unident.) QE029999	2
Hemiptera QH	22	2
Mesoveliidae (Unident.) QH529999	1
Hebridae (Unident.) QH539999	1
Hydrometridae (Unident.) QH549999	2
Veliidae (Unident.) QH569999	11
Gerridae (Unident.) QH579999	2
Gelastocoridae (Unident.) QH649999	5
Lepidoptera QL	3	2
Crambidae (Unident.) QL019999	3

SIGNALT	3.0
	ORDER
Weighted SIGNALT	2.5

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