“…Predation (Beauchamp et al 1995, Baldwin and Polacek 2002, competition (Spencer et al 1991), food availability (Martinez andWiltzius 1995, Buktenica et al 2007), reservoir operations (Fraley et al 1986, Martinez and Wiltzius 1995, Paragamian and Bowles 1995, entrainment Polacek 2002, Maiolie andStark 2003), and harvest (Rieman and Maiolie 1995) are some of the factors suggested to influence the abundance of kokanee in various locations. Often it is the dynamic interaction of several of these factors, mediated by productivity, that result in variable abundance of kokanee (Martinez andWiltzius 1995, Buktinica et al 2007).…”