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

Tyalgum Ck @ Perkins Bridge TWED510

Source Office of Environment and Heritage
Latest Sample Date 08-10-1997
Taxa count ORDER 15
Taxa count FAMILY 29
Taxa count ALT 29
Mayflies present? 139
ORDER FAMILY ALT
SIGNAL 4.3 4.8 4.1
Weighted SIGNAL 4.9 4.6

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Pastoral Farming 3.2.0 Grazing modified pastures, 3.2.3 Pasture legumes, 3.2.5 Sown grasses, 4.2.0 Grazing irrigated modified pastures 32.95% 3,062,238,425m2
  Natural 1.1.3 National park 31.92% 2,966,730,989m2
  Minimal Use 1.3.0 Other minimal use, 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 24.81% 2,305,679,520m2
  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, 5.7.2 Roads 7.81% 725,556,492m2
Show minor land uses 6
92,932,236m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 12 1
Hydrobiidae (Unident.) KG029999
1
Ancylidae (Unident.) KG069999
3
Physidae (Unident.) KG089999
8
Bivalvia KP 2 3
Corbiculidae (Unident.) KP029999
2
Oligochaeta LO 1 2
Oligochaeta (Unident.) LO999999
1
Acarina MM 3 6
Mites (Unident.) MM999999
3
Mites (Unident.)
Mites (Unident.)
Amphipoda OP 6 3
Ceinidae (Unident.) OP029999
6
Ceinidae (Unident.)
Ceinidae (Unident.)
Ceinidae (Unident.)
Unknown OT 22
Atyidae (Unident.) OT019999
22
Atyidae (Unident.)
Atyidae (Unident.)
Atyidae (Unident.)
Atyidae (Unident.)
Coleoptera QC 35 5
Hydrophilidae (Unident.) QC119999
3
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Elmidae (Unident.) QC349999
6
Elmidae (Unident.)
Elmidae (Unident.)
Psephenidae (Unident.) QC379999
26
Psephenidae (Unident.)
Psephenidae (Unident.)
Psephenidae (Unident.)
Psephenidae (Unident.)
Diptera QD 12 3
Orthocladiinae (Unident.) QDAF9999
10
Chironominae (Unident.) QDAJ9999
2
Ephemeroptera QE 139 9
Baetidae (Unident.) QE029999
16
Leptophlebiidae (Unident.) QE069999
19
Caenidae (Unident.) QE089999
104
Hemiptera QH 23 2
Gerridae (Unident.) QH579999
2
Corixidae (Unident.) QH659999
21
Lepidoptera QL 1 2
Crambidae (Unident.) QL019999
1
Crambidae (Unident.)
Megaloptera QM 2 8
Corydalidae (Unident.) QM019999
2
Corydalidae (Unident.)
Corydalidae (Unident.)
Odonata QO 17 3
Coenagrionidae (Unident.) QO029999
7
Gomphidae (Unident.) QO139999
8
Corduliidae (Unident.) QO169999
2
Plecoptera QP 3 10
Gripopterygidae (Unident.) QP039999
3
Trichoptera QT 37 8
Philopotamidae (Unident.) QT049999
8
Hydropsychidae (Unident.) QT069999
11
Ecnomidae (Unident.) QT089999
4
Calamoceratidae (Unident.) QT249999
1
Leptoceridae (Unident.) QT259999
13
ORDER
SIGNALT 4.3
Weighted SIGNALT 4.2
Taxa Abundance SIGNALT Grade
Gastropoda KG 1 1
Thiaridae (Unident.) KG049999
1
Unknown OH 1
Ostracoda (Unident.) OH999999
1
Unknown OT 18
Atyidae (Unident.) OT019999
18
Atyidae (Unident.)
Atyidae (Unident.)
Coleoptera QC 30 5
Hydrophilidae (Unident.) QC119999
24
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Elmidae (Unident.) QC349999
4
Elmidae (Unident.)
Psephenidae (Unident.) QC379999
2
Psephenidae (Unident.)
Psephenidae (Unident.)
Diptera QD 10 3
Simuliidae (Unident.) QD109999
7
Simuliidae (Unident.)
Tanypodinae (Unident.) QDAE9999
1
Chironominae (Unident.) QDAJ9999
2
Ephemeroptera QE 14 9
Baetidae (Unident.) QE029999
10
Caenidae (Unident.) QE089999
4
Hemiptera QH 6 2
Veliidae (Unident.) QH569999
1
Gerridae (Unident.) QH579999
3
Corixidae (Unident.) QH659999
1
Pleidae (Unident.) QH689999
1
Odonata QO 3 3
Coenagrionidae (Unident.) QO029999
1
Aeshnidae (Unident.) QO129999
1
Libellulidae (Unident.) QO179999
1
Trichoptera QT 60 8
Hydrobiosidae (Unident.) QT019999
1
Hydropsychidae (Unident.) QT069999
6
Helicopsychidae (Unident.) QT179999
17
Calamoceratidae (Unident.) QT249999
1
Leptoceridae (Unident.) QT259999
35
ORDER
SIGNALT 3.4
Weighted SIGNALT 4.4