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

Lethe Brook at Hadlow Road 122012A

Source MIV
Latest Sample Date 25-11-1997
Taxa count ORDER 9
Taxa count FAMILY 24
Taxa count ALT 24
Mayflies present? 38
ORDER FAMILY ALT
SIGNAL 4.1 4.3 3.5
Weighted SIGNAL 5.8 4.4

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Minimal Use 1.3.0 Other minimal use, 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 48.27% 4,942,467,594m2
  Arable Farming 4.3.5 Irrigated sugar, 4.4.1 Irrigated tree fruits 31.43% 3,218,228,899m2
  Forestry 2.2.0 Production native forests 16.49% 1,688,988,926m2
Show minor land uses 3
102,399,329m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 1 1
Ancylidae (Unident.) KG069999
1
Acarina MM 1 6
Mites (Unident.) MM999999
1
Mites (Unident.)
Unknown OT 27
Atyidae (Unident.) OT019999
26
Atyidae (Unident.)
Atyidae (Unident.)
Atyidae (Unident.)
Atyidae (Unident.)
Palaemonidae (Unident.) OT029999
1
Palaemonidae (Unident.)
Coleoptera QC 10 5
Dytiscidae (Unident.) QC099999
1
Gyrinidae (Unident.) QC109999
6
Gyrinidae (Unident.)
Hydrophilidae (Unident.) QC119999
3
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Diptera QD 50 3
Tipulidae (Unident.) QD019999
9
Ceratopogonidae (Unident.) QD099999
4
Ceratopogonidae (Unident.)
Ceratopogonidae (Unident.)
Simuliidae (Unident.) QD109999
15
Simuliidae (Unident.)
Simuliidae (Unident.)
Tabanidae (Unident.) QD239999
4
Dolichopodidae (Unident.) QD369999
3
Tanypodinae (Unident.) QDAE9999
1
Orthocladiinae (Unident.) QDAF9999
9
Chironominae (Unident.) QDAJ9999
5
Ephemeroptera QE 38 9
Baetidae (Unident.) QE029999
12
Leptophlebiidae (Unident.) QE069999
13
Caenidae (Unident.) QE089999
13
Hemiptera QH 3 2
Veliidae (Unident.) QH569999
1
Gerridae (Unident.) QH579999
2
Odonata QO 5 3
Libellulidae (Unident.) QO179999
5
Trichoptera QT 24 8
Hydropsychidae (Unident.) QT069999
2
Calamoceratidae (Unident.) QT249999
3
Leptoceridae (Unident.) QT259999
19
ORDER
SIGNALT 4.1
Weighted SIGNALT 4.6
Taxa Abundance SIGNALT Grade
Gastropoda KG 2 1
Ancylidae (Unident.) KG069999
2
Hirudinea LH 1 1
Erpobdellidae (Unident.) LH059999
1
Unknown OT 46
Atyidae (Unident.) OT019999
40
Atyidae (Unident.)
Atyidae (Unident.)
Atyidae (Unident.)
Atyidae (Unident.)
Palaemonidae (Unident.) OT029999
6
Palaemonidae (Unident.)
Palaemonidae (Unident.)
Coleoptera QC 8 5
Dytiscidae (Unident.) QC099999
2
Gyrinidae (Unident.) QC109999
6
Gyrinidae (Unident.)
Diptera QD 44 3
Tipulidae (Unident.) QD019999
8
Simuliidae (Unident.) QD109999
10
Simuliidae (Unident.)
Tanypodinae (Unident.) QDAE9999
4
Orthocladiinae (Unident.) QDAF9999
11
Chironominae (Unident.) QDAJ9999
11
Ephemeroptera QE 30 9
Baetidae (Unident.) QE029999
10
Leptophlebiidae (Unident.) QE069999
13
Caenidae (Unident.) QE089999
7
Odonata QO 3 3
Corduliidae (Unident.) QO169999
2
Libellulidae (Unident.) QO179999
1
Trichoptera QT 20 8
Hydropsychidae (Unident.) QT069999
8
Polycentropodidae (Unident.) QT079999
1
Calamoceratidae (Unident.) QT249999
1
Leptoceridae (Unident.) QT259999
10
ORDER
SIGNALT 3.8
Weighted SIGNALT 4.4