Lakes and Watercourses

Fish species have been transferred from one part of the country to
another since Viking times and many transferred species now form a
natural part of the fish fauna. Thus, it is not biologically relevant to
attempt to define transferred Swedish fish species as alien on the basis of
administrative boundaries. For the time being, the term ”alien fish
species” is therefore defined as species introduced into Sweden, eg,
rainbow trout (Onchorhynchus mykiss), lake trout (Salvelinus namaycush)
brook trout (Salvelinus fontinalis), sockeye salmon (Onchorhynchus nerka)
and other species (see the list of species in Appendix 3).
References
Appelberg, M. & Bergquist, B. (1994): Undersökningstyper för provfiske i
sötvatten (”Analysis types for fresh water fish surveys”). PM 5:1994, Institute of
Freshwater Research, Drottningholm, 28 p.
Appelberg, M. (Ed). 2000. Swedish standard methods for sampling freshwater
fish with multi-mesh gillnets. National Board of Fisheries. Information 2000:1. 27 p.
Appelberg, M., Bergquist, B. & Degerman, E (1998): Fisk (”Fish”). – From: T.
Wiederholm (Ed.). Bedömningsgrunder för miljökvalitet - Sjöar och vattendrag.
Bakgrundsrapport 2 – Biologiska parametrar (”Environmental Quality Criteria –
Lakes and Watercourses. Background report 1 – Biological parameters”).
Swedish EPA Report 4921.
Degerman, E. & Lingdell, P-E. (1993): pHisces – fisk som indikator på lågt pH
(”Fish as an indicator of low pH”). – Information from the Institute of Freshwater
Research, Drottningholm (1993) 3:37–54.
Karr, J.R. (1981): Assessment of biotic integrity using fish communities. –
Fisheries 6:21–27.
Minns, C., Cairns, V.W., Randall, R.G. & Moore, J.M. (1994): An index of biotic
integrity (IBI) for fish assemblages in the littoral zone of Great Lakes’ areas of
concern. – Canadian Journal of Fisheries and Aquatic Sciences 51:1804–1822.
Svärdson, G. (1976): Interspecific population dominance in fish communities.
Report, Institute of Freshwater Research, Drottningholm. 55:144–171.
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