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

BLACK FELLOW CK. NEAR JUNCTION VIEW 1432073

Source MIV
Latest Sample Date 27-05-1997
Taxa count ORDER 10
Taxa count FAMILY 24
Taxa count ALT 24
Mayflies present? 41
ORDER FAMILY ALT
SIGNAL 3.3 4.2 2.3
Weighted SIGNAL 5.6 3.7

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 34.99% 5,251,597,770m2
  Natural 1.1.3 National park 33.30% 4,998,403,322m2
  Forestry 2.2.0 Production native forests 30.77% 4,618,236,733m2
Show minor land uses 3
150,104,566m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 7 1
Lymnaeidae (Unident.) KG059999
5
Physidae (Unident.) KG089999
2
Isopoda OR 6 2
Cirolanidae (Unident.) OR129999
6
Unknown OT 38
Atyidae (Unident.) OT019999
38
Atyidae (Unident.)
Atyidae (Unident.)
Atyidae (Unident.)
Atyidae (Unident.)
Unknown QA 2
Collembola (Unident.) QA999999
2
Coleoptera QC 21 5
Dytiscidae (Unident.) QC099999
11
Gyrinidae (Unident.) QC109999
9
Gyrinidae (Unident.)
Gyrinidae (Unident.)
Staphylinidae (Unident.) QC189999
1
Diptera QD 9 3
Stratiomyidae (Unident.) QD249999
2
Tanypodinae (Unident.) QDAE9999
3
Orthocladiinae (Unident.) QDAF9999
4
Ephemeroptera QE 41 9
Baetidae (Unident.) QE029999
15
Leptophlebiidae (Unident.) QE069999
12
Caenidae (Unident.) QE089999
14
Hemiptera QH 14 2
Veliidae (Unident.) QH569999
9
Corixidae (Unident.) QH659999
3
Notonectidae (Unident.) QH679999
2
Odonata QO 16 3
Coenagrionidae (Unident.) QO029999
10
Gomphidae (Unident.) QO139999
3
Libellulidae (Unident.) QO179999
3
Trichoptera QT 25 8
Philopotamidae (Unident.) QT049999
3
Hydropsychidae (Unident.) QT069999
10
Leptoceridae (Unident.) QT259999
4
Trichoptera (Unident.) QT999999
8
ORDER
SIGNALT 3.3
Weighted SIGNALT 3.9