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

MERRI RIVER AT GRASSMERE ROAD 3601

Source EPA Victoria
Latest Sample Date 13-11-2006
Taxa count ORDER 12
Taxa count FAMILY 21
Taxa count ALT 21
Mayflies present? 8
ORDER FAMILY ALT
SIGNAL 3.8 4.6 4.4
Weighted SIGNAL 4.6 4.4

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Pastoral Farming 3.2.0 Grazing modified pastures 94.58% 79,090,195,922m2
  Residential And Infrastructure 5.4.1 Urban residential, 5.4.2 Rural residential with agriculture, 5.4.3 Rural residential without agriculture, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.6.0 Utilities, 5.6.7 Water extraction and transmission, 5.7.2 Roads 3.54% 2,959,413,786m2
Show minor land uses 5
836,250,638m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 8 1
Hydrobiidae (Unident.) KG029999
7
Planorbidae (Unident.) KG079999
1
Bivalvia KP 1 3
Corbiculidae (Unident.) KP029999
1
Oligochaeta LO 1 2
Oligochaeta (Unident.) LO999999
1
Acarina MM 2 6
Mites (Unident.) MM999999
2
Mites (Unident.)
Amphipoda OP 78 3
Ceinidae (Unident.) OP029999
27
Ceinidae (Unident.)
Ceinidae (Unident.)
Ceinidae (Unident.)
Paracalliopidae (Unident.) OP049999
42
Paracalliopidae (Unident.)
Paracalliopidae (Unident.)
Paracalliopidae (Unident.)
Paramelitidae (Unident.) OP069999
9
Paramelitidae (Unident.)
Paramelitidae (Unident.)
Paramelitidae (Unident.)
Unknown OT 14
Atyidae (Unident.) OT019999
14
Atyidae (Unident.)
Atyidae (Unident.)
Unknown OX 2
Hymenostomatidae (Unident.) OX019999
2
Hymenostomatidae (Unident.)
Diptera QD 5 3
Orthocladiinae (Unident.) QDAF9999
4
Chironominae (Unident.) QDAJ9999
1
Ephemeroptera QE 8 9
Baetidae (Unident.) QE029999
8
Megaloptera QM 1 8
Sialidae (Unident.) QM029999
1
Odonata QO 1 3
Telephlebiidae (Unident.) QO219999
1
Trichoptera QT 25 8
Hydroptilidae (Unident.) QT039999
6
Hydropsychidae (Unident.) QT069999
4
Conoesucidae (Unident.) QT159999
12
Philorheithridae (Unident.) QT219999
1
Odontoceridae (Unident.) QT229999
1
Calamoceratidae (Unident.) QT249999
1
ORDER
SIGNALT 3.8
Weighted SIGNALT 4.0
Taxa Abundance SIGNALT Grade
Gastropoda KG 45 1
Hydrobiidae (Unident.) KG029999
43
Planorbidae (Unident.) KG079999
1
Physidae (Unident.) KG089999
1
Bivalvia KP 8 3
Sphaeriidae (Unident.) KP039999
8
Oligochaeta LO 1 2
Oligochaeta (Unident.) LO999999
1
Acarina MM 2 6
Mites (Unident.) MM999999
2
Mites (Unident.)
Amphipoda OP 42 3
Ceinidae (Unident.) OP029999
15
Ceinidae (Unident.)
Ceinidae (Unident.)
Ceinidae (Unident.)
Paramelitidae (Unident.) OP069999
27
Paramelitidae (Unident.)
Paramelitidae (Unident.)
Paramelitidae (Unident.)
Unknown OT 4
Atyidae (Unident.) OT019999
4
Atyidae (Unident.)
Atyidae (Unident.)
Unknown OX 3
Hymenostomatidae (Unident.) OX019999
3
Hymenostomatidae (Unident.)
Coleoptera QC 9 5
Elmidae (Unident.) QC349999
1
Elmidae (Unident.)
Elmidae (Unident.)(Larvae) QC34999I
2
Elmidae (Unident.)(Larvae)
Psephenidae (Unident.) QC379999
6
Psephenidae (Unident.)
Psephenidae (Unident.)
Diptera QD 5 3
Orthocladiinae (Unident.) QDAF9999
4
Chironominae (Unident.) QDAJ9999
1
Ephemeroptera QE 35 9
Baetidae (Unident.) QE029999
13
Leptophlebiidae (Unident.) QE069999
22
Trichoptera QT 27 8
Hydrobiosidae (Unident.) QT019999
2
Hydropsychidae (Unident.) QT069999
20
Conoesucidae (Unident.) QT159999
5
ORDER
SIGNALT 3.6
Weighted SIGNALT 4.2
Taxa Abundance SIGNALT Grade
Gastropoda KG 5 1
Hydrobiidae (Unident.) KG029999
3
Planorbidae (Unident.) KG079999
1
Physidae (Unident.) KG089999
1
Bivalvia KP 11 3
Corbiculidae (Unident.) KP029999
11
Amphipoda OP 42 3
Ceinidae (Unident.) OP029999
3
Ceinidae (Unident.)
Ceinidae (Unident.)
Ceinidae (Unident.)
Paramelitidae (Unident.) OP069999
39
Paramelitidae (Unident.)
Paramelitidae (Unident.)
Paramelitidae (Unident.)
Unknown OT 8
Atyidae (Unident.) OT019999
8
Atyidae (Unident.)
Atyidae (Unident.)
Unknown OX 6
Hymenostomatidae (Unident.) OX019999
6
Hymenostomatidae (Unident.)
Coleoptera QC 9 5
Elmidae (Unident.) QC349999
5
Elmidae (Unident.)
Psephenidae (Unident.) QC379999
4
Psephenidae (Unident.)
Psephenidae (Unident.)
Diptera QD 33 3
Simuliidae (Unident.) QD109999
21
Simuliidae (Unident.)
Orthocladiinae (Unident.) QDAF9999
3
Chironominae (Unident.) QDAJ9999
9
Ephemeroptera QE 37 9
Baetidae (Unident.) QE029999
7
Leptophlebiidae (Unident.) QE069999
30
Trichoptera QT 48 8
Hydrobiosidae (Unident.) QT019999
2
Hydropsychidae (Unident.) QT069999
42
Ecnomidae (Unident.) QT089999
1
Conoesucidae (Unident.) QT159999
3
ORDER
SIGNALT 3.6
Weighted SIGNALT 4.1