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

WEIR RIVER AT GLASSER BRIDGE 4162019

Source MIV
Latest Sample Date 21-11-1997
Taxa count ORDER 11
Taxa count FAMILY 23
Taxa count ALT 23
Mayflies present? 20
ORDER FAMILY ALT
SIGNAL 2.9 3.8 2.3
Weighted SIGNAL 5 3.4

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Forestry 2.2.0 Production native forests 49.76% 173,266,083,854m2
  Minimal Use 1.3.0 Other minimal use, 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 40.89% 142,350,041,931m2
  Arable Farming 3.3.0 Cropping, 3.4.0 Perennial horticulture 8.15% 28,378,559,002m2
Show minor land uses 6
3,481,704,067m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Oligochaeta LO 2 2
Oligochaeta (Unident.) LO999999
2
Unknown OG 1
Cladocera (Unident.) OG999999
1
Unknown OJ 3
Copepoda (Unident.) OJ999999
3
Unknown OT 7
Atyidae (Unident.) OT019999
2
Atyidae (Unident.)
Atyidae (Unident.)
Palaemonidae (Unident.) OT029999
5
Palaemonidae (Unident.)
Unknown OV 12
Parastacidae (Unident.) OV019999
12
Parastacidae (Unident.)
Parastacidae (Unident.)
Coleoptera QC 17 5
Dytiscidae (Unident.) QC099999
3
Hydrophilidae (Unident.) QC119999
12
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydraenidae (Unident.) QC139999
2
Hydraenidae (Unident.)
Diptera QD 9 3
Tanypodinae (Unident.) QDAE9999
2
Orthocladiinae (Unident.) QDAF9999
4
Chironominae (Unident.) QDAJ9999
3
Ephemeroptera QE 20 9
Baetidae (Unident.) QE029999
11
Leptophlebiidae (Unident.) QE069999
5
Caenidae (Unident.) QE089999
4
Hemiptera QH 16 2
Hydrometridae (Unident.) QH549999
2
Veliidae (Unident.) QH569999
3
Corixidae (Unident.) QH659999
10
Notonectidae (Unident.) QH679999
1
Odonata QO 3 3
Coenagrionidae (Unident.) QO029999
3
Trichoptera QT 22 8
Hydropsychidae (Unident.) QT069999
1
Ecnomidae (Unident.) QT089999
14
Leptoceridae (Unident.) QT259999
7
ORDER
SIGNALT 2.9
Weighted SIGNALT 3.7
Taxa Abundance SIGNALT Grade
Unknown IB 3
Hydridae (Unident.) IB019999
3
Oligochaeta LO 3 2
Oligochaeta (Unident.) LO999999
3
Unknown OJ 12
Copepoda (Unident.) OJ999999
12
Unknown OT 13
Palaemonidae (Unident.) OT029999
13
Palaemonidae (Unident.)
Palaemonidae (Unident.)
Unknown OV 4
Parastacidae (Unident.) OV019999
4
Parastacidae (Unident.)
Parastacidae (Unident.)
Coleoptera QC 4 5
Dytiscidae (Unident.) QC099999
1
Hydrophilidae (Unident.) QC119999
3
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Diptera QD 35 3
Culicidae (Unident.) QD079999
20
Culicidae (Unident.)
Ceratopogonidae (Unident.) QD099999
8
Ceratopogonidae (Unident.)
Ceratopogonidae (Unident.)
Tanypodinae (Unident.) QDAE9999
1
Orthocladiinae (Unident.) QDAF9999
1
Chironominae (Unident.) QDAJ9999
5
Ephemeroptera QE 15 9
Baetidae (Unident.) QE029999
3
Caenidae (Unident.) QE089999
12
Hemiptera QH 9 2
Veliidae (Unident.) QH569999
2
Gerridae (Unident.) QH579999
5
Corixidae (Unident.) QH659999
1
Notonectidae (Unident.) QH679999
1
Odonata QO 1 3
Protoneuridae (Unident.) QO049999
1
Trichoptera QT 7 8
Ecnomidae (Unident.) QT089999
6
Leptoceridae (Unident.) QT259999
1
ORDER
SIGNALT 2.9
Weighted SIGNALT 3.1