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

EERWAH CREEK AT BROWNS CREEK ROAD 1410038

Source MIV
Latest Sample Date 03-11-1998
Taxa count ORDER 11
Taxa count FAMILY 26
Taxa count ALT 26
Mayflies present? 24
ORDER FAMILY ALT
SIGNAL 3.5 4.3 3.4
Weighted SIGNAL 5.7 4.4

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 56.94% 334,176,817m2
  Residential And Infrastructure 5.4.2 Rural residential with agriculture, 5.4.3 Rural residential without agriculture 25.38% 148,967,377m2
  Natural 1.1.3 National park, 1.1.4 Natural feature protection 7.92% 46,489,819m2
  Pastoral Farming 4.2.0 Grazing irrigated modified pastures 7.16% 41,990,804m2
Show minor land uses 2
5,868,715m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Acarina MM 2 6
Mites (Unident.) MM999999
2
Mites (Unident.)
Unknown OH 1
Ostracoda (Unident.) OH999999
1
Amphipoda OP 9 3
Talitridae sp.(Unident.) OP019999
9
Talitridae sp.(Unident.)
Talitridae sp.(Unident.)
Talitridae sp.(Unident.)
Unknown OT 20
Atyidae (Unident.) OT019999
20
Atyidae (Unident.)
Atyidae (Unident.)
Unknown OV 4
Parastacidae (Unident.) OV019999
4
Parastacidae (Unident.)
Parastacidae (Unident.)
Parastacidae (Unident.)
Parastacidae (Unident.)
Coleoptera QC 17 5
Dytiscidae (Unident.) QC099999
6
Gyrinidae (Unident.) QC109999
6
Gyrinidae (Unident.)
Hydrophilidae (Unident.) QC119999
3
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Scirtidae (Unident.) QC209999
2
Scirtidae (Unident.)
Diptera QD 23 3
Tipulidae (Unident.) QD019999
6
Ceratopogonidae (Unident.) QD099999
2
Ceratopogonidae (Unident.)
Tanypodinae (Unident.) QDAE9999
2
Orthocladiinae (Unident.) QDAF9999
1
Chironominae (Unident.) QDAJ9999
12
Ephemeroptera QE 24 9
Baetidae (Unident.) QE029999
2
Leptophlebiidae (Unident.) QE069999
20
Caenidae (Unident.) QE089999
2
Hemiptera QH 5 2
Veliidae (Unident.) QH569999
3
Gelastocoridae (Unident.) QH649999
2
Odonata QO 19 3
Isostictidae (Unident.) QO039999
2
Aeshnidae (Unident.) QO129999
6
Gomphidae (Unident.) QO139999
7
Corduliidae (Unident.) QO169999
4
Trichoptera QT 25 8
Hydropsychidae (Unident.) QT069999
4
Calamoceratidae (Unident.) QT249999
13
Leptoceridae (Unident.) QT259999
8
ORDER
SIGNALT 3.5
Weighted SIGNALT 4.2
Taxa Abundance SIGNALT Grade
Turbellaria IF 1 2
Dugesiidae (Unident.) IF619999
1
Amphipoda OP 12 3
Talitridae sp.(Unident.) OP019999
12
Talitridae sp.(Unident.)
Talitridae sp.(Unident.)
Talitridae sp.(Unident.)
Talitridae sp.(Unident.)
Talitridae sp.(Unident.)
Talitridae sp.(Unident.)
Unknown OT 40
Atyidae (Unident.) OT019999
40
Atyidae (Unident.)
Atyidae (Unident.)
Atyidae (Unident.)
Atyidae (Unident.)
Coleoptera QC 4 5
Dytiscidae (Unident.) QC099999
2
Hydraenidae (Unident.) QC139999
1
Hydraenidae (Unident.)
Scirtidae (Unident.) QC209999
1
Scirtidae (Unident.)
Diptera QD 11 3
Stratiomyidae (Unident.) QD249999
1
Tanypodinae (Unident.) QDAE9999
9
Chironominae (Unident.) QDAJ9999
1
Ephemeroptera QE 24 9
Leptophlebiidae (Unident.) QE069999
20
Caenidae (Unident.) QE089999
4
Hemiptera QH 11 2
Hydrometridae (Unident.) QH549999
1
Veliidae (Unident.) QH569999
5
Gerridae (Unident.) QH579999
1
Gelastocoridae (Unident.) QH649999
4
Megaloptera QM 2 8
Corydalidae (Unident.) QM019999
2
Corydalidae (Unident.)
Corydalidae (Unident.)
Odonata QO 18 3
Coenagrionidae (Unident.) QO029999
5
Megapodagrionidae (Unident.) QO079999
4
Gomphidae (Unident.) QO139999
3
Libellulidae (Unident.) QO179999
6
Plecoptera QP 3 10
Gripopterygidae (Unident.) QP039999
3
Trichoptera QT 19 8
Philopotamidae (Unident.) QT049999
1
Hydropsychidae (Unident.) QT069999
10
Ecnomidae (Unident.) QT089999
1
Calamoceratidae (Unident.) QT249999
4
Leptoceridae (Unident.) QT259999
3
ORDER
SIGNALT 4.8
Weighted SIGNALT 4.5