Abstract
The results of the introduction of various forms of the European vendace Coregonus albula from Karelia’s donor lakes Munozero, Urosozero, Vendyurskoe, and Onega into recipient lakes Urosozero, Vashozero, Konchozero, and Pertozero in order to improve the composition and productivity of the fish fauna were analyzed. Vendace proved to have become naturalized in all the recipient lakes. Its biological parameters in the new habitats were studied. Comparative analysis of the length-weight growth and fecundity of vendace shows that all the lakes into which it was introduced are now inhabited by its large form. Vendace has formed highly abundant self-reproducing populations in all the lakes studied and has become a major target for commercial fishing. Previously, the recipient lakes exhibited only one flux of matter and energy: benthos – benthos-eating fish – predatory fish. Now, another one has developed: plankton – vendace – predatory fish. Due to the presence of different forms of vendace, food resources of the said lakes are utilized more fully.
Highlights
Vendace proved to have become naturalized in all the recipient lakes
Comparative analysis of the length-weight growth and fecundity of vendace shows that all the lakes into which it was introduced are inhabited by its large form
И. Крупная ряпушка – килец Coregonus albula Онежского озера // Вопросы ихтиологии
Summary
Институт биологии КарНЦ РАН, ФИЦ «Карельский научный центр РАН», Петрозаводск, Россия. Проанализированы результаты рыбоводных работ в Республике Карелия по интродукции разных форм европейской ряпушки Coregonus albula из водоемов-доноров (Мунозеро, Уросозеро, Вендюрское, Онежское озеро) в водоемы-реципиенты (Урозеро, Вашозеро, Кончозеро, Пертозеро) с целью улучшения качественного состава ихтиофауны и повышения их рыбопродуктивности. The recipient lakes exhibited only one flux of matter and energy: benthos – benthos-eating fish – predatory fish Another one has developed: plankton – vendace – predatory fish. Для улучшения качественного состава и повышения рыбопродуктивности водоемов в Карелии проводились работы по интродукции ценных видов рыб [Кудерский, Сонин, 1968; Стерлигова, Ильмаст, 2010 ]. В задачу наших исследований входило проанализировать работы по интродукции разных форм европейской ряпушки Coregonus albula в водоемы Карелии, где она ранее не обитала, изучить биологические показатели в новых условиях и провести ее сравнительный анализ с рыбой из донорских водоемов
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
