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

Rathjen Gap 13103

Source	Australian Water Quality Centre
Latest Sample Date	20-06-1998
Taxa count ORDER	13
Taxa count FAMILY	30
Taxa count ALT	48
Mayflies present?	0
	ORDER	FAMILY	ALT
SIGNAL	3.6	3.2	2.5
Weighted SIGNAL	3.4	3.5	3.9

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Pastoral Farming	3.2.0 Grazing modified pastures, 3.2.1 Native/exotic pasture mosaic, 3.2.2 Woody fodder plants, 3.2.4 Pasture legume/grass mixtures	93.61%	1,853,198,947m²
	Residential And Infrastructure	5.4.2 Rural residential with agriculture, 5.5.3 Recreation and culture, 5.7.2 Roads	3.92%	77,508,321m²
	Arable Farming	3.3.1 Cereals, 3.3.3 Hay and silage	1.67%	33,003,543m²
	Forestry Plantation	3.1.4 Environmental forest plantation	0.30%	6,000,644m²
	Water	6.2.2 Water storage - intensive use/farm dams	0.18%	3,500,376m²
	Unknown	3.6.2 Abandoned land	0.16%	3,250,349m²
	Minimal Use	1.3.3 Residual native cover	0.10%	2,000,215m²
	Forestry	3.1.0 Plantation forests	0.06%	1,250,134m²
Show minor land uses 6
				19,797,125m²

Waterbug sample history

Sampled on 20 June 1998

Taxa	Abundance	SIGNALT Grade
Nematoda II	136	3
Nematoda (Unident.) II999999	136
Gastropoda KG	52	1
Angrobia angasi KG020501	52
Oligochaeta LO	530	2
Naididae (Unident.) LO059999	518
Enchytraeidae (Unident.) LO089999	12
Acarina MM	242	6
Hygrobatidae (Unident.) MM159999	4

Oribatida (Unident.) MM9999A1	238

Amphipoda OP	72	3
Austrochiltonia australis OP020101	72

Isopoda OR	6	2
Heterias pusillus OR180102	6

Unknown QA	1938
Hypogastruridae (Unident.) QA049999	1630
Isotomidae (Unident.) QA069999	156
Sminthuridae (Unident.) QA139999	152
Coleoptera QC	222	5
Necterosoma dispar QC092005	6

Necterosoma sp.(Unident.)(Larva) QC09209I	162

Platynectes decempunctatus QC092201	12

Platynectes decempunctatus (L) QC09220A	40

Scirtidae (Unident.) QC209999	2

Diptera QD	724	3
Tipulidae (Unident.) QD019999	2
Bezzia sp.(Unident.) QD090499	16

Culicoides sp.(Unident.) QD090899	8

Forcipomyia sp.(Unident.) QD092899	4

Dasyhelea sp.(Unident.) QD092999	4

Dasyhelea sp.2 ( SRV sp.6) QD0929A2	4

Simulium ornatipes QD100202	92

Simulium sp.(Unident.) QD100299	2

Psychodidae (Unident.) QD129999	4

Stratiomyidae (Unident.) QD249999	8
Empididae (Unident.) QD359999	4
Podonomopsis sp.(Unident.) QDAD0499	44
Procladius sp.(Unident.) QDAE0899	32
Paramerina sp.(Unident.) QDAE1299	52
Parakiefferiella sp.(Unident.) QDAF0399	86
Corynoneura sp.(Unident.) QDAF0699	2
Thienemanniella sp.(Unident.) QDAF0799	2
Parametriocnemus sp.(Unident.) QDAF1199	2
Cricotopus sp.(Unident.) QDAF1599	72
Riethia sp.(Unident.) QDAG0199	28
Cladotanytarsus sp.(Unident.) QDAH0399	100
Tanytarsus sp.(Unident.) QDAH0499	138
Chironomus sp.(Unident.) QDAI0499	12

Dicrotendipes conjunctus QDAI0603	4
Harnischia sp.(Unident.) QDAI2399	2
Hemiptera QH	20	2
Micronecta annae annae QH650504	10
Micronecta sp.(Unident.) QH650599	8
Anisops sp.(Unident.) QH670499	2
Lepidoptera QL	12	2
Lepidoptera (Unident.) QL999999	12

Plecoptera QP	74	10
Riekoperla naso QP031110	74
Trichoptera QT	8	8
Hellyethira simplex QT030406	4
Hellyethira sp.(Unident.) QT030499	4

SIGNALT	3.6
	ORDER
Weighted SIGNALT	3.6