The data file contains original data for the experiments described in the publication: : Klemme I, Pysäys J, Hyvärinen P, Karvonen A. Fitness effects of assisted gene flow in an endangered salmonid population. Conservation Science and Practice. doi 10.1111/csp2.13058. Authors and contact information: Ines Klemme, University of Jyväskylä, Finland, ines.klemme@jyu.fi Joonas Pysäys, University of Jyväskylä, Finland, joonas.pysays@gmail.com Pekka Hyvärinen, Natural Resources Institute Finland (Luke), pekka.hyvarinen@luke.fi Anssi Karvonen, University of Jyväskylä, Finland, anssi.t.karvonen@jyu.fi Data file: KlemmeI_2023_ConSciPract.csv variables: PITunique fish identifier for the passive integrated transponder (PIT) of the experimental fish Crossone of four identifiers for cross of the fish in respect to two parental population origins of either landlocked salmon (LS) or Atlantic salmon (AS) given as: female parent population “x” male parent population infectionone of two fish infection status, either uninfected (“uninfect”) or infected (“infect”) predatorone of two predation treatments in the semi-natural streams, either predator absent (“nopike”) or predator present (“pike”) streamone of eight unique experimental stream identifiers for the experimental replicates length1body length in mm, measured directly before stocking to experimental streams weight1body mass in g, measured directly before stocking to experimental streams length2body length in mm, measured after the experiment weight2body mass in g, measured after the experiment survivalfish survival categorized as either not survived (0) or survived (1) lifetimetime (in minutes) that the fish survived since the beginning of the experiment until, maximum lifetime is the end of the experiment para_loadsum of parasite counts across both eyes prop_poolproportion of time spent in pool side of the stream throughout the experiment latency_entrylatency to the first entry into pool (minutes since the start of the experiment) halfrounds_hactivity or number of completed halfrounds per hour in the experimental streams

2023