caa a22 4500 445891947 CHVBK 20180317145619.0 cr unu---uuuuu 170323e20110201xx s 000 0 eng 10.1007/s10750-010-0412-7 doi (NATIONALLICENCE)springer-10.1007/s10750-010-0412-7 Gerdeaux Daniel INRA, Station d'Hydrobiologie Lacustre, BP 511, 74203, Thonon Cedex, France aut Does global warming threaten the dynamics of Arctic charr in Lake Geneva? [Elektronische Daten] [Daniel Gerdeaux] In France, the Arctic charr (Salvelinus alpinus) is native in only two lakes (Lakes Bourget and Geneva), in the most southerly part of its distribution area. It is a profundal morph living at depths of between 30 and 100m in Lake Geneva. Following considerable stocking of Lake Geneva with juvenile Arctic charr and some good results during the 1980s, catches are currently declining. Several hypotheses have been proposed to explain this decrease, but the potential influence of warming of the lake in the 1990s has not been considered. This article studies the relationship between the strength of the cohorts and the temperature in Lake Geneva from 1992 to 2002, and discusses the various potential causes of the population collapse observed. The findings reveal close correlation between water temperature and the strength of the cohorts. It is concluded that the recent warming of Lake Geneva may have a significant direct or indirect impact on the Arctic charr population. Springer Science+Business Media B.V., 2010 Lake Geneva nationallicence Arctic charr nationallicence Global warming nationallicence Dynamics nationallicence Stocking nationallicence Hydrobiologia Springer Netherlands 660/1(2011-02-01), 69-78 0018-8158 660:1<69 2011 660 10750 https://doi.org/10.1007/s10750-010-0412-7 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10750-010-0412-7 text/html Onlinezugriff via DOI NATIONALLICENCE 100 1- Gerdeaux Daniel INRA, Station d'Hydrobiologie Lacustre, BP 511, 74203, Thonon Cedex, France aut NATIONALLICENCE 773 0- Hydrobiologia Springer Netherlands 660/1(2011-02-01), 69-78 0018-8158 660:1<69 2011 660 10750 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer