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Morphometric and Meristic Characteristics Analyses of Two Western Irish Populations of Arctic Char, Salvelinus alpinus (L.)

Morphometric and Meristic Characteristics Analyses of Two Western Irish Populations of Arctic... Multivariate morphometric and meristic analyses of Irish Arctic char Salvelinus alpinus (L.) from Lough Eske, Co. Donegal, and Lough Mask, Co. Mayo, are presented. The analysis illustrated the monomorphic character of the two populations despite differences in growth and size between the ‘stunted’, slower-growing Lough Eske fish and the ‘normal’, faster-growing Lough Mask fish. The results are discussed in the context of other systems where sympatric morphs have been described. Differences in body size and growth rate appear to reflect the trophic status and the productivity of the two lakes. The results confirm earlier findings, which were based on dietary analysis and analysis of metazoan parasites of both Irish populations of Arctic char. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Biology and Environment: Proceedings of the Royal Irish Academy Royal Irish Academy

Morphometric and Meristic Characteristics Analyses of Two Western Irish Populations of Arctic Char, Salvelinus alpinus (L.)

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References (19)

Publisher
Royal Irish Academy
Copyright
Copyright © 2004 RIA
ISSN
0791-7945
eISSN
2009-003X
DOI
10.3318/BIOE.2004.104.1.75
Publisher site
See Article on Publisher Site

Abstract

Multivariate morphometric and meristic analyses of Irish Arctic char Salvelinus alpinus (L.) from Lough Eske, Co. Donegal, and Lough Mask, Co. Mayo, are presented. The analysis illustrated the monomorphic character of the two populations despite differences in growth and size between the ‘stunted’, slower-growing Lough Eske fish and the ‘normal’, faster-growing Lough Mask fish. The results are discussed in the context of other systems where sympatric morphs have been described. Differences in body size and growth rate appear to reflect the trophic status and the productivity of the two lakes. The results confirm earlier findings, which were based on dietary analysis and analysis of metazoan parasites of both Irish populations of Arctic char.

Journal

Biology and Environment: Proceedings of the Royal Irish Academy – Royal Irish Academy

Published: Jan 1, 2004

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