The Effects of Hybridization and Parasite Infection on the Survival and Behaviour of Endangered Landlocked Salmon Subject to Predation-Implications for Genetic Rescue.

ABSTRACT: A prerequisite of genetic rescue in endangered and genetically depauperate populations is to pre-evaluate between possible pros and cons of hybridization for the life history and survival of the target population. We hybridized the critically endangered Saimaa landlocked salmon (Salmo salar m. sebago) with one of its geographically closest relatives, anadromous Baltic salmon from River Kymijoki. In two similar experiments, conducted in semi-natural streams during overwintering (at age 1.5) and in early summer (age 2+), we studied how hybridization and eye parasite infection (Diplostomum pseudospathaceum) affected survival from predation by Northern pike (Esox lucius). Additionally, we recorded movements of the juvenile salmon using passive integrated telemetry t

SUBMITTER: Eronen A 

PROVIDER: S-EPMC11645445 | biostudies-literature | 2024 Dec

REPOSITORIES: biostudies-literature