Abstract
Chars of the genus Salvelinus inhabiting the Kronotskaya riverine-lacustrine system (Eastern Kamchatka) were studied. It was found that the morphological and genetic polymorphism in chars of Lake Kronotskoe is higher than was believed earlier: to date, five forms of chars have been identified in the Lake Kronotskoe basin. The description, external morphology and biological attributes of chars inhabiting the basin of the lake and the anadromous malma (S. malma) from the Kronotskaya River below the rapids are given. The differences between the forms of chars are continual, and the outermost forms are often connected by a continuous series of transitional forms. According to the morphological and genetic characteristics, the anadromous malma from the lower reaches of the Kronotskaya River is not isolated from the lake chars: by the whole set of characters its position is intermediate between all lacustrine forms. Chars from the Kronotskaya riverine-lacustrine system are represented by the anadromous malma from the lower reaches of the Kronotskaya River and by a metapopulation of lacustrinechars whose forms are not completely isolated genetically. Currently, the chars of the Kronotskaya system are in a quasi-stationary state, when an evolutionary stasis of the lacustrine forms is ensured.
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Original Russian Text © S.D. Pavlov, K.V. Kuzishchin, M.A. Gruzdeva, A.L. Senchukova, E.A. Pivovarov, 2013, published in Voprosy Ikhtiologii, 2013, Vol. 53, No. 6, pp. 645–670.
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Pavlov, S.D., Kuzishchin, K.V., Gruzdeva, M.A. et al. Phenetic diversity and spatial structure of chars (Salvelinus) of the Kronotskaya riverine-lacustrine system (Eastern Kamchatka). J. Ichthyol. 53, 662–686 (2013). https://doi.org/10.1134/S003294521306009X
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DOI: https://doi.org/10.1134/S003294521306009X