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

Mihi Ck @ Avermala 44064

Source Office of Environment and Heritage
Latest Sample Date 16-04-2008
Taxa count ORDER 15
Taxa count FAMILY 25
Taxa count ALT 25
Mayflies present? 33
ORDER FAMILY ALT
SIGNAL 3.3 3.8 2.6
Weighted SIGNAL 4.6 3.6

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Minimal Use 2.1.0 Grazing native vegetation 47.32% 5,625,318,194m2
  Pastoral Farming 3.2.0 Grazing modified pastures 46.32% 5,506,800,956m2
  Arable Farming 3.3.0 Cropping, 3.4.9 Grapes 3.20% 379,805,242m2
Show minor land uses 6
118,874,790m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 1 1
Planorbidae (Unident.) KG079999
1
Bivalvia KP 2 3
Sphaeriidae (Unident.) KP039999
2
Oligochaeta LO 1 2
Oligochaeta (Unident.) LO999999
1
Acarina MM 5 6
Mites (Unident.) MM999999
5
Mites (Unident.)
Unknown OG 50
Cladocera (Unident.) OG999999
50
Unknown OH 7
Ostracoda (Unident.) OH999999
7
Unknown OJ 8
Copepoda (Unident.) OJ999999
8
Amphipoda OP 30 3
Ceinidae (Unident.) OP029999
30
Ceinidae (Unident.)
Ceinidae (Unident.)
Ceinidae (Unident.)
Unknown OV 4
Parastacidae (Unident.) OV019999
4
Parastacidae (Unident.)
Parastacidae (Unident.)
Coleoptera QC 21 5
Dytiscidae (Unident.) QC099999
18
Elmidae (Unident.) QC349999
1
Elmidae (Unident.)
Psephenidae (Unident.) QC379999
2
Psephenidae (Unident.)
Psephenidae (Unident.)
Diptera QD 67 3
Dixidae (Unident.) QD069999
2
Dixidae (Unident.)
Culicidae (Unident.) QD079999
8
Culicidae (Unident.)
Tanypodinae (Unident.) QDAE9999
24
Orthocladiinae (Unident.) QDAF9999
19
Chironominae (Unident.) QDAJ9999
14
Ephemeroptera QE 33 9
Baetidae (Unident.) QE029999
20
Leptophlebiidae (Unident.) QE069999
6
Caenidae (Unident.) QE089999
7
Hemiptera QH 29 2
Veliidae (Unident.) QH569999
14
Corixidae (Unident.) QH659999
11
Notonectidae (Unident.) QH679999
4
Megaloptera QM 6 8
Sialidae (Unident.) QM029999
6
Trichoptera QT 11 8
Ecnomidae (Unident.) QT089999
11
ORDER
SIGNALT 3.3
Weighted SIGNALT 3.7